Yangzhou Jingcheng Electronics Co., Ltd. is professional in designing, developing, producing, sales and service of RF (Radio Frequency) coaxial connectors.
Reliable radio-frequency performance begins with a dependable interconnection. In a coaxial transmission system, the connector is often a small component compared with the cable, antenna, amplifier, or enclosure, yet it has a direct influence on signal integrity, mechanical stability, installation efficiency, and long-term operating reliability. A poorly selected connector can introduce impedance discontinuities, excessive insertion loss, unwanted reflection, electromagnetic leakage, or intermittent contact. A properly engineered connector, by contrast, helps maintain the intended performance of the complete RF system.
The JC3.660.2886 N-KFD-167 is an N micro-strip RF connector designed for applications that require a stable transition between a micro-strip circuit and an N-type coaxial interface. It belongs to the N micro-strip RF connector category and is suitable for equipment designers, RF integrators, antenna manufacturers, wireless infrastructure companies, and industrial users seeking a practical connection between printed circuit technology and coaxial transmission lines.
This product is part of a broad RF interconnection portfolio manufactured by Yangzhou Jingcheng Electronics Co., Ltd., a Chinese company founded in 1999 and focused on the design, development, production, sales, and service of RF coaxial connectors and related products. The company offers more than 2,000 product types, including coaxial connectors, adapters, reverse polarity connectors, coaxial lightning protectors, high-frequency cables, cable assemblies, attenuators, terminal loads, and antennas.
The central value of the N-KFD-167 is not simply its ability to join two RF structures. Its value lies in how the connector supports a controlled electrical transition, practical equipment integration, repeatable production, and long-term maintainability. For applications involving wireless communication, test equipment, antenna assemblies, radio systems, distributed networks, and industrial RF devices, these characteristics can be more important than the visible size of the component.
JC3.660.2886 N-KFD-167
Content
An N micro-strip RF connector combines the familiar mechanical and electrical characteristics of an N-type coaxial connector with a board-level micro-strip mounting structure. The N interface is widely recognized in RF systems because it provides a robust threaded connection and is commonly used with outdoor antennas, base-station equipment, wireless communication systems, measurement equipment, and high-frequency cable assemblies.
A micro-strip circuit is a planar transmission-line structure formed on a printed circuit board or similar substrate. It generally consists of a conductive trace on one side of a dielectric material and a ground plane on the opposite side. The dimensions of the trace, the dielectric properties of the substrate, the ground structure, and the transition geometry all influence the characteristic impedance and high-frequency behavior of the circuit.
Connecting an N interface to a micro-strip line is therefore an engineering task rather than a simple mechanical attachment. The connector must transfer energy from a coaxial geometry into a planar geometry while minimizing discontinuity. The center contact, dielectric support, grounding structure, mounting method, and transition area must work together to preserve the intended RF path.
The N-KFD-167 is intended for this type of integration. In a typical application, the connector is mounted to a printed circuit board or RF module, while its external N interface accepts a compatible plug, cable assembly, adapter, antenna feed, or test connection. This arrangement allows designers to use the strong, familiar N interface outside the equipment while keeping the internal RF path compact and compatible with PCB-based circuitry.
The product designation identifies the model within the manufacturer’s product system. Final details such as interface gender, mounting dimensions, PCB thickness range, contact material, plating, operating frequency, voltage rating, environmental sealing, and electrical test limits should be confirmed against the current product drawing and technical specification before design release.
RF systems often combine multiple transmission technologies. A signal may begin in an integrated circuit or power amplifier, travel along a micro-strip trace, pass through a board-mounted connector, continue through a coaxial cable, and finally reach an antenna or external measurement device. Each transition introduces the possibility of energy reflection and loss.
The transition region is especially important because micro-strip and coaxial structures have different field distributions. In a coaxial cable, the electromagnetic field is concentrated between the center conductor and the surrounding shield. In a micro-strip line, the field exists partly in the dielectric substrate and partly in the surrounding air. A well-designed connector transition manages these differences through appropriate conductor geometry, dielectric support, grounding, and mechanical positioning.
If the transition is not properly controlled, the system may experience a rise in voltage standing wave ratio, reduced return loss, increased insertion loss, and frequency-dependent ripple. These effects can reduce transmitter efficiency, degrade receiver sensitivity, complicate calibration, and make the system more difficult to optimize.
The N-KFD-167 addresses this application need by providing a defined interface between the external N connection and the internal micro-strip structure. Its design supports a more organized RF layout than improvised cable termination methods. It can also simplify service and replacement because the external interface follows a standardized connector format.
For equipment manufacturers, a board-mounted N connector can also improve production consistency. Instead of manually routing and terminating a loose coaxial pigtail for every unit, the manufacturer can use a repeatable mechanical mounting position and a defined PCB transition. This can reduce assembly variation and make inspection more straightforward.
The N interface is familiar to RF engineers and technicians worldwide. Its threaded coupling provides a secure connection that is less vulnerable to accidental separation than a push-on interface. This is particularly useful in equipment exposed to vibration, repeated servicing, outdoor installation, or cable movement.
Using a standardized N interface also simplifies system architecture. Designers can select from a wide range of compatible cables, adapters, surge protection devices, antennas, calibration accessories, and test instruments. This broad ecosystem can help reduce sourcing risk and support future redesigns.
The micro-strip mounting concept allows the connector to be integrated directly into a PCB-based RF module. This helps eliminate unnecessary internal cable length and can create a shorter, more controlled signal path. A compact interconnection can be beneficial in high-frequency equipment where every additional transition and cable bend may affect performance or packaging.
Direct board integration can also support modular construction. A radio module, antenna interface board, filter assembly, or test fixture can be designed around a defined connector location. The result is a more repeatable physical arrangement across product variants and production batches.
N-type connectors are commonly selected for applications requiring a durable threaded interface. When the connector is correctly installed and tightened according to the applicable assembly procedure, the coupling mechanism can resist loosening caused by normal handling and vibration.
The mechanical strength of the complete connection depends on more than the connector body. PCB thickness, mounting hardware, solder or attachment quality, panel support, cable weight, and enclosure design all contribute to system reliability. The N-KFD-167 provides a foundation for a robust connection, while the equipment designer must ensure that the surrounding structure adequately supports the interface.
A connector based on a known N interface can shorten the design process because engineers do not need to create a completely custom external interface for every product. The connector can be evaluated using familiar cable assemblies and measurement equipment. This may reduce development time during prototype testing and production validation.
For companies that produce several RF products, selecting a connector from a broad product family can also encourage platform standardization. Related connectors, adapters, cable assemblies, lightning protectors, and terminal loads can be used to develop a more coherent supply and service strategy.
RF equipment frequently has unique mechanical constraints. Board thickness, mounting location, enclosure geometry, cable direction, interface orientation, and grounding requirements can vary from one project to another. A manufacturer with a large connector portfolio and dedicated engineering resources is better positioned to support variations than a supplier offering only a narrow selection of standard parts.
Yangzhou Jingcheng Electronics Co., Ltd. provides standard, customized, and specialized interconnection solutions. This is an important advantage for customers whose requirements do not fit a catalog configuration exactly. Custom support may involve dimensional adjustments, interface variations, cable assemblies, plating choices, packaging, or application-specific engineering. The actual feasibility of any modification should be evaluated through drawings, samples, and technical review.
The N-KFD-167 should be evaluated against the complete application rather than against a single generic competitor. Different connector types offer different benefits, and the best choice depends on frequency, environment, available space, service requirements, power level, and manufacturing volume.
| Interconnection approach | Typical strength | Potential limitation | Why an N micro-strip connector may be preferred |
|---|---|---|---|
| N micro-strip connector | Robust threaded external interface and direct PCB integration | Requires careful PCB transition design and sufficient mounting space | Provides a durable, serviceable connection with a controlled board-level RF path |
| Loose coaxial pigtail | Flexible routing and easy adaptation during prototyping | More assembly variation, additional cable length, and possible strain issues | Offers a more repeatable and compact interface for production equipment |
| Small board connector | Compact size and low-profile packaging | May have lower mechanical robustness or limited external cable compatibility | Offers the mechanical familiarity and durability of an N-type connection |
| Panel-mounted N connector with internal cable | Strong external interface and flexible internal routing | Requires an additional cable termination and may occupy more internal space | Reduces the need for a separate internal cable assembly |
| Direct soldered coaxial cable | Low component count in simple assemblies | More difficult to replace, inspect, or standardize across production | Supports modular service and repeatable equipment construction |
Compared with a loose coaxial pigtail, a board-mounted connector can provide better positional consistency. A pigtail may move during assembly, experience bending near the termination, or require manual control of the shield connection. The micro-strip connector can simplify the mechanical definition of the RF path, although the PCB layout and soldering process must still be controlled carefully.
Compared with a very small board connector, an N interface may require more space. However, the larger and more rugged interface can be advantageous in outdoor equipment, test fixtures, antenna systems, and products where frequent connection and disconnection are expected. The choice should therefore balance miniaturization against durability and serviceability.
Compared with a panel-mounted connector connected by an internal cable, a micro-strip connector may reduce the number of internal parts. This can lower assembly complexity and help create a more compact RF module. It may also reduce the number of cable bends and termination points that need to be inspected.
Most RF systems using N-type interfaces are designed around a controlled characteristic impedance, commonly 50 ohms. The connector, PCB trace, substrate, ground plane, and mating cable should be selected as a coordinated system. A connector with a suitable nominal impedance cannot compensate for an incorrectly dimensioned micro-strip trace or an inadequate ground structure.
Engineers should review the transition geometry in the manufacturer’s drawing and compare it with the PCB stack-up. The board thickness and dielectric constant affect micro-strip width and field distribution. If the connector is intended for a specific substrate thickness or mounting arrangement, the design should remain within the stated range. Deviating from the recommended geometry may produce an electrical discontinuity even when the connector is mechanically installed correctly.
Return loss indicates how much of the incident RF energy is reflected toward the source. A well-designed connector transition helps reduce reflection across the intended operating band. Reflection can be caused by abrupt changes in conductor diameter, excess dielectric material, insufficient grounding, misalignment, or a poorly formed solder joint.
Because the N-KFD-167 connects two different transmission-line geometries, validation should include measurement of the assembled PCB transition rather than relying only on the connector’s isolated performance. A vector network analyzer can be used to evaluate return loss, insertion loss, and other scattering parameters. Calibration should be performed with suitable standards, and the test fixture should be designed to avoid introducing errors.
Insertion loss represents the reduction in transmitted signal power caused by the interconnection. At higher frequencies, conductor surface finish, contact resistance, dielectric loss, current crowding, and transition geometry become increasingly important. While the connector may account for only a portion of the total system loss, its performance should be included in the complete link budget.
Low insertion loss is important in both transmit and receive paths. In a transmitter, unnecessary loss reduces delivered power and may increase thermal stress in downstream components. In a receiver, loss before the first low-noise stage can directly affect system sensitivity. A carefully selected and properly assembled connector supports more predictable RF performance.
In a coaxial system, the outer conductor provides the return path and contributes to electromagnetic shielding. When the connector transitions to a micro-strip PCB, the grounding structure must provide a low-impedance connection between the connector body and the PCB ground plane.
Ground vias, mounting pads, solder fillets, and local ground copper should be arranged according to the recommended layout. A poorly distributed ground connection can increase inductance and create unwanted radiation or resonance. Designers should also consider the location of nearby components, enclosure walls, apertures, and other metal structures that may influence the RF field.
The appropriate connector must be selected according to the actual operating frequency, RF power, duty cycle, ambient temperature, altitude, and environmental conditions. A connector suitable for a low-power measurement signal may not be appropriate for a continuous high-power transmitter. Similarly, an application operating near the upper frequency limit of a connector family may require closer attention to layout and validation.
The product information provided identifies the N-KFD-167 as an N micro-strip RF connector but does not include a complete electrical specification. Customers should request the latest technical drawing and data sheet for frequency range, voltage rating, insulation resistance, contact resistance, voltage standing wave ratio, insertion loss, and power-handling information applicable to the intended configuration.
Mechanical integration begins with accurate PCB and enclosure design. The mounting hole pattern, center-contact position, board edge, ground pads, and connector body clearance should be taken from the approved product drawing. Tolerance accumulation should be reviewed before tooling or mass production begins.
The PCB should be supported so that the connector does not carry excessive bending load. An external N cable can exert considerable force, especially when the cable is heavy, routed under tension, or repeatedly moved. If the connector is mounted only to a thin circuit board, additional enclosure support or a mechanical bracket may be necessary.
During installation, the mating cable should be aligned with the connector axis. Cross-threading can damage the coupling mechanism and reduce the reliability of the connection. The coupling nut should be tightened using the recommended method and torque. Over-tightening may damage the interface or deform the assembly, while under-tightening may permit movement and degrade the connection.
When soldering a board-mounted connector, the process should provide complete wetting without overheating the dielectric or contaminating the contact area. Flux residues should be controlled in accordance with the connector materials, PCB finish, and cleaning process. Automated assembly may be possible depending on the connector design and production method, but process compatibility should be confirmed through trials.
Inspection should include connector position, solder coverage, center-contact alignment, ground continuity, mechanical stability, and the absence of solder bridges or foreign material. For higher-reliability products, electrical tests should be combined with mechanical inspection and, where appropriate, environmental qualification.
Yangzhou Jingcheng Electronics Co., Ltd. was founded in 1999 and has developed its business around RF coaxial connectors and related products. More than two decades of specialization can support practical knowledge in connector geometry, materials, plating, machining, molding, assembly, testing, and customer application requirements.
Long-term specialization also helps a manufacturer understand the differences between nominally similar connector categories. An RF connector is not only a machined metal part. Its performance depends on dimensional precision, surface condition, dielectric stability, contact force, shielding continuity, mounting repeatability, and interaction with the customer’s cable or circuit board.
The company offers more than 2,000 product types. This broad range includes coaxial connectors, adapters, reverse polarity connectors, coaxial lightning protectors, high-frequency cables and cable assemblies, attenuators, terminal loads, antennas, and related products.
A wide product portfolio can provide several advantages over a narrowly focused supplier. Customers may source multiple interconnection components from one technical partner, reducing the need to coordinate separate suppliers for connectors, cables, surge protection, and RF accessories. Product-family knowledge can also make it easier to identify compatible mating parts and develop complete signal paths.
For the N-KFD-167, this portfolio is particularly relevant because the connector may be used with N-type cable assemblies, adapters, lightning protection devices, test loads, or antenna feed systems. The ability to consider the surrounding RF chain can be valuable during design review.
The company operates with advanced manufacturing and testing equipment, supported by technical capabilities and professional R&D and engineering teams. In RF connector manufacturing, equipment quality influences dimensional repeatability, machining accuracy, assembly consistency, plating control, and inspection efficiency.
Testing equipment is equally important. Electrical verification may include continuity, dielectric withstand, insulation resistance, contact resistance, return loss, insertion loss, and other RF measurements depending on the product type. Mechanical and environmental testing may be used to evaluate coupling durability, vibration resistance, temperature exposure, humidity, corrosion resistance, or cable retention.
Not every test applies to every connector configuration, and the applicable inspection plan should be agreed with the customer. Nevertheless, the combination of manufacturing equipment, testing capability, and engineering support provides a stronger foundation than a production process based only on visual inspection.
Rigorous quality systems help connect design requirements with production controls. A quality system may include incoming material inspection, process documentation, tooling control, operator procedures, first-article approval, in-process inspection, final testing, traceability, nonconformance management, and corrective action.
For a connector such as the N-KFD-167, quality consistency is essential because small dimensional deviations can affect both mechanical fit and RF performance. Contact geometry, dielectric position, plating thickness, and mounting alignment should remain within controlled limits. A systematic quality approach helps reduce variation between batches and supports more predictable customer assembly.
Professional R&D and engineering teams can contribute at several stages. Before production, they can review interface requirements, PCB layout, material selection, environmental conditions, and mechanical constraints. During development, they can support prototypes, sample evaluation, and test interpretation. During production, they can help analyze defects, improve tooling, and implement design changes.
This engineering capability is a meaningful competitive advantage when customers require more than a standard catalog purchase. RF products often need application-specific decisions involving transition geometry, cable routing, connector orientation, environmental protection, or mechanical reinforcement. Technical collaboration can help prevent late-stage redesigns.
The materials used in an RF connector must balance electrical conductivity, mechanical strength, corrosion resistance, dimensional stability, and manufacturability. The body, center contact, outer conductor, insulator, and mounting features may require different material properties.
Surface treatment is also important. Plating can improve contact performance, reduce oxidation, support corrosion resistance, and provide a consistent mating surface. The appropriate plating system depends on the connector location, environmental exposure, mating frequency, current level, and customer requirements.
In outdoor or industrial installations, humidity, salt exposure, temperature cycling, dust, vibration, and ultraviolet exposure can affect connector performance. The N interface is widely used in demanding environments, but the actual environmental suitability of the complete N-KFD-167 assembly depends on the product configuration, sealing method, enclosure, mating connector, cable, and installation practice.
Where outdoor operation is expected, the connection should be protected using an appropriate weatherproofing method. The installer should ensure that the mating interface is clean, fully engaged, and protected against moisture ingress. Any sealing compound or protective boot must be compatible with the connector materials and service conditions.
Reliability is best considered as a system property. A high-quality connector cannot overcome excessive cable strain, incorrect torque, poor PCB support, contamination, or an unsuitable enclosure. The manufacturer’s component quality and the customer’s installation process must work together.
Wireless communication equipment frequently uses coaxial connections between radio modules, filters, antennas, and external test points. An N micro-strip connector can provide a durable interface for base-station subsystems, distributed wireless equipment, private networks, and industrial radio products.
The connector may be integrated into a radio board or RF front-end assembly, with an external N cable leading to an antenna, duplexer, filter, or lightning protection device. The threaded interface is useful where the connection must remain secure during installation and operation.
Antenna feed systems require controlled impedance and reliable mechanical connections. The N-KFD-167 can be considered for antenna boards, antenna tuning units, RF distribution assemblies, and compact feed modules where a PCB transition is preferred over an internal cable.
In antenna applications, designers should pay attention to the connector’s relationship with the ground plane and antenna structure. The connector location, ground current distribution, enclosure geometry, and cable routing may influence the radiation pattern and impedance match. Antenna-level validation should therefore be performed after the final mechanical structure is assembled.
Test fixtures and measurement instruments often require repeatable external interfaces. An N connector can provide a convenient connection for calibration cables, signal generators, power meters, attenuators, terminal loads, and test modules.
A board-mounted N connector is useful in prototype fixtures because it allows the test engineer to connect standard cables directly to the device under test. It can also support modular fixture construction, in which different RF boards are installed in a common mechanical platform.
Industrial heating, sensing, telemetry, monitoring, and scientific instrumentation may use RF signals in environments where mechanical durability and serviceability are important. The appropriate application depends on the frequency and power requirements, but the N interface offers a practical option for many equipment designs.
In industrial systems, the connector should be assessed alongside electromagnetic compatibility requirements. Shield continuity, enclosure bonding, cable routing, and grounding practices may affect emissions and susceptibility. A well-integrated connector can support the overall shielding strategy, but it must be installed as part of a complete EMC design.
The connector can also serve as a board-side interface in high-frequency cable assembly products. When combined with compatible coaxial cables and N-type mating components, it can help create a modular signal path that is easier to install, test, and replace.
For repeated production, the cable assembly should be evaluated for pull strength, bending radius, insertion loss, return loss, connector alignment, and environmental performance. The connector and cable must be treated as a matched assembly rather than independent parts.
Before ordering the N-KFD-167, customers should define the complete application requirement. Important information includes the target frequency range, nominal impedance, RF power, board material, board thickness, mounting orientation, connector location, mating interface, environmental conditions, expected mating cycles, and applicable compliance requirements.
The customer should request the current product drawing and confirm every critical dimension. Product images are useful for identification, but they should not replace engineering drawings. The image files associated with the product listing show the item from multiple views, while the approved drawing should govern PCB layout, tooling, and production inspection.
Prototype samples should be installed on the intended PCB using the planned assembly process. Mechanical fit, solderability, mating force, cable clearance, and enclosure compatibility should be checked before committing to mass production.
Electrical validation should use the final board stack-up and representative mating components. The evaluation may include return loss, insertion loss, isolation, power handling, and temperature performance. If the connector is part of an antenna or high-power system, testing should be performed under realistic operating conditions.
Procurement teams should also review lead times, minimum order quantities, packaging, product consistency, change-notification procedures, and after-sales technical support. A reliable supply relationship is especially important when the connector is designed into a long-life product and replacement parts must remain compatible over time.
| Review area | Questions to confirm | Reason for confirmation |
|---|---|---|
| Electrical | What are the required impedance, frequency, power, return loss, and insertion loss limits? | Ensures that the connector is suitable for the RF operating range |
| Mechanical | What are the PCB thickness, mounting dimensions, cable direction, and enclosure clearances? | Prevents fit problems and mechanical stress |
| Environmental | Will the assembly face humidity, salt spray, vibration, dust, or temperature cycling? | Supports appropriate material, sealing, and qualification decisions |
| Manufacturing | Will the connector be hand soldered, wave soldered, reflow processed, or assembled by another method? | Confirms process compatibility and inspection requirements |
| Supply | Are samples, technical documents, packaging, and production quantities available as required? | Reduces project delays and sourcing risk |
A dependable RF connector begins with controlled raw materials. Conductive metals should meet the required mechanical and electrical properties, while dielectric materials should maintain stable dimensions and insulation performance over the intended temperature range. Incoming inspection helps ensure that materials conform before they enter production.
Precision machining or forming creates the connector body and contact components. Dimensional control at this stage is important because the geometry of the RF path can influence impedance and reflection. Tool wear, machine calibration, and process parameters should be monitored to maintain repeatability.
Insulator production and insertion require careful positioning. The dielectric must support the center contact without causing an unwanted change in the transmission-line geometry. Assembly equipment should control insertion depth, alignment, and retention.
Surface treatment must be controlled for coverage, adhesion, thickness, and appearance. Contact surfaces and threaded areas may have different functional requirements. Proper cleaning before plating and appropriate handling after plating help reduce contamination and damage.
Final assembly brings together the body, contact, dielectric, mounting features, and any additional components. Inspection may include dimensional measurement, visual examination, mechanical checks, continuity testing, and RF testing. The final test plan should reflect the product design and customer specification.
Packaging also contributes to quality. Connectors should be protected against impact, moisture, contamination, and deformation during storage and transport. Correct labeling helps maintain model identification and batch traceability through the customer’s receiving and assembly processes.
Specialization offers benefits that extend beyond production capacity. A manufacturer dedicated to RF interconnection products is more likely to understand how connector geometry affects cable performance, how mounting features affect PCB assembly, and how environmental conditions influence long-term reliability.
Yangzhou Jingcheng Electronics Co., Ltd. combines product breadth with design, development, manufacturing, sales, and service capabilities. This integrated structure can make communication more efficient when a customer needs a standard connector, a compatible cable assembly, a lightning protector, an adapter, or a customized solution.
Customers can also benefit from a supplier that understands the relationship between individual components. For example, a connector may need to mate with a particular cable, connect to a surge protector, or fit within a specific antenna housing. A broad RF product portfolio allows these requirements to be reviewed as part of a complete interconnection system.
Another advantage is the possibility of ongoing engineering cooperation. If prototype testing reveals a dimensional conflict or an RF mismatch, a specialized manufacturer may be able to review the transition and recommend a suitable product variation. This can be more effective than treating the connector as an isolated commodity item.
It is an N micro-strip RF connector designed to provide a connection between an N-type coaxial interface and a micro-strip circuit or PCB-based RF module.
Its main benefit is the combination of a robust, standardized N-type external interface with direct integration into a micro-strip transmission line. This can support reliable mechanical connection, compact RF routing, and repeatable equipment assembly.
No connector should be considered suitable for every frequency without verification. The applicable frequency range, return loss, insertion loss, and other electrical limits should be confirmed using the latest technical documentation and validated in the final PCB design.
Outdoor suitability depends on the exact product configuration, mating connector, sealing method, enclosure, cable, and installation procedure. The N interface is widely used in outdoor RF systems, but customers should confirm environmental ratings and apply appropriate weatherproofing.
Yes. The product category identifies it as a micro-strip RF connector intended for board-level integration. The PCB layout, mounting pattern, substrate thickness, ground structure, and assembly process should follow the approved product drawing.
Customers should provide the required quantity, target application, frequency range, impedance, RF power, PCB thickness, mounting requirements, environmental conditions, mating interface, desired delivery schedule, and any customization needs.
A specialized manufacturer can combine connector design knowledge, production capability, RF testing, engineering support, and related products such as adapters, cables, lightning protectors, attenuators, and terminal loads. This can simplify development and improve system-level coordination.
No. Product images help identify the model and general appearance, but the technical drawing and current specification should be used for PCB layout, mechanical design, inspection, and production approval.
Testing may include visual inspection, mechanical stability checks, continuity, insulation, and RF measurements such as return loss and insertion loss. The final test method should reflect the application and should use calibrated equipment and suitable mating components.
Yangzhou Jingcheng Electronics Co., Ltd. provides standard, customized, and specialized interconnection solutions. Customers should discuss required modifications with the engineering team so that feasibility, tooling, performance, quantities, and delivery conditions can be evaluated.
The JC3.660.2886 N-KFD-167 is a practical solution for connecting a micro-strip RF circuit to a robust N-type coaxial interface. Its value comes from the combination of standardized mechanical coupling, board-level integration, potential layout efficiency, serviceability, and compatibility with a broad RF ecosystem.
Compared with loose pigtails or improvised cable terminations, an N micro-strip connector can support a more repeatable production structure and a more compact signal path. Compared with smaller board-only interfaces, the N connection can provide greater mechanical familiarity and durability for applications involving external cables, repeated service, vibration, or outdoor installation.
The product should nevertheless be selected through complete engineering review. Frequency, impedance, power, PCB geometry, grounding, environmental exposure, mounting support, cable loading, and assembly conditions all influence final performance. The connector must be evaluated as part of the complete RF system rather than as an isolated component.
Yangzhou Jingcheng Electronics Co., Ltd. strengthens the product offering through long-term RF specialization, more than 2,000 product types, advanced manufacturing and testing equipment, technical capabilities, rigorous quality systems, and professional R&D and engineering teams. These resources enable the company to provide standard products as well as customized and specialized interconnection solutions.
For equipment manufacturers and RF system designers, the N-KFD-167 can serve as a dependable building block for wireless communication equipment, antenna modules, RF test fixtures, industrial electronics, high-frequency cable assemblies, and other applications requiring a controlled transition between PCB circuitry and coaxial transmission lines. Final selection should be confirmed with current drawings, technical data, samples, and application-specific testing.
1. Yangzhou Jingcheng Electronics Co., Ltd., Product Information for JC3.660.2886 N-KFD-167, N Micro-Strip RF Connector.
2. Yangzhou Jingcheng Electronics Co., Ltd., Corporate Information and RF Interconnection Product Portfolio.
3. International Electrotechnical Commission, Radio-Frequency Connectors and Related Interface Measurement Practices.
4. Institute of Electrical and Electronics Engineers, Principles of Microwave Transmission Lines and Printed RF Structures.
5. RF Connector Manufacturers’ Engineering Guidelines, Mechanical Interface, Contact Reliability, and Environmental Qualification Practices.
6. Microwave Engineering Technical Literature, Coaxial-to-Micro-Strip Transition Design and Scattering-Parameter Measurement.
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