N Connectors for Semi-Rigid & Semi-Flexible Cable Manufacturer

Product Overview
The N-type connector is one of the most enduring and broadly adopted RF coaxial connector families in microwave engineering—and the semi-rigid and semi-flexible cable version represents the series at its highest electrical performance. Originally developed for military and aerospace applications, the N-type's robust stainless-steel or nickel-plated brass housing, precision-machined center contact, and threaded coupling combine to deliver reliably low VSWR and insertion loss across the full DC–11 GHz operating band, even in the vibration and thermal cycling conditions that are routine in ground-launched communication systems, shipborne radar, and airborne early-warning equipment.

When terminated to semi-rigid cable (solid outer conductor, typically copper or silver-plated copper), the N-type connector's interface geometry achieves VSWR figures as low as ≤1.15 at 6 GHz in straight configuration—specification performance that reflects both the connector's dimensional precision and the inherent low-loss character of the semi-rigid cable itself. Yangzhou Jingcheng Electronics, established in 1999 and equipped with Hanwha CNC machining centers validated by Agilent vector network analyzer measurements, manufactures this connector family with the process discipline required to consistently reach these performance levels in volume production.

Key Features
N-type semi-rigid connectors are among the most performance-sensitive products in the Jingcheng catalogue, and they are manufactured on the same GJB9001A-certified production lines used for defense-supply-chain products. This means the same dimensional control and inspection protocols that satisfy military quality requirements are applied to every commercial N-type semi-rigid connector batch.
Jingcheng's in-house engineering R&D center offers customers a cable assembly design review service: the team examines PCB launch geometry, cable bend routing, and connector termination method to identify impedance discontinuities before the first assembly prototype is built—reducing costly prototype iteration cycles.
With 50Ω and 75Ω available within a single catalogue, procurement teams supporting multi-frequency, multi-application product portfolios can consolidate N-type semi-rigid connectors from a single supplier without qualification of a second source for the 75Ω variant.
Factory-direct export experience across the US, Japan, Germany, Vietnam, and Hong Kong markets means standard export documentation (test reports, certificates of origin, material declarations, RoHS compliance declarations) is fully routinized and rapidly available.

Competitive Advantages
Radar subsystem internal cable assemblies (phased-array antenna feed networks, T/R module interconnects)
Microwave backhaul repeater and base station internal distribution cables
Ground-to-air and ground-to-space telemetry and tracking system RF cable harnesses
Satellite communication terminal LNB and BUC interconnect cables
High-performance VNA calibration kits and reference cable assemblies

Typical Applications
Radar subsystem internal cable assemblies (phased-array antenna feed networks, T/R module interconnects)
Microwave backhaul repeater and base station internal distribution cables
Ground-to-air and ground-to-space telemetry and tracking system RF cable harnesses
Satellite communication terminal LNB and BUC interconnect cables
High-performance VNA calibration kits and reference cable assemblies

FAQ
Q: What is the maximum operating power for N-type semi-rigid cable connectors?
A: N-type connectors are classified as medium-power RF connectors. Maximum continuous power depends on frequency, cable type, and ambient temperature—consult the product datasheet for the specific cable-connector combination. For high-power CW applications (e.g., radar transmitter output paths), contact our application engineering team for connector selection guidance.
Q: How does the N-type semi-rigid connector compare to SMA for the same cable?
A: N-type offers a larger interface body with better power handling and greater mechanical robustness than SMA, while both achieve similar upper frequency limits when used with the same semi-rigid cable. SMA is preferred where connector density is the primary constraint; N-type is chosen where power handling, vibration resistance, or field re-mating durability is the priority.
Q: Can silver-plated center contacts be used in high-humidity environments?
A: Silver plating is susceptible to tarnishing in high-humidity environments with sulfur compounds (e.g., industrial atmospheres), which can increase contact resistance over time. For such environments, gold-plated center contacts are recommended. If silver plating is required for cost reasons, a hermetically sealed or pressurized enclosure mitigates tarnishing risk.
Q: Are 75Ω N-type semi-rigid connectors mechanically interchangeable with 50Ω versions?
A: N-type 50Ω and 75Ω connectors share the same thread and body outer geometry, so they will physically mate. However, the center contact and dielectric dimensions differ between impedances. Mating a 50Ω plug to a 75Ω jack (or vice versa) creates a deliberate impedance mismatch that degrades signal performance. Impedances must be matched at every interface in the RF path.

Temperature Range	-55～+155℃(PE Cable -40～+85℃)
Impedance	50Ω, 75Ω
Frequency Range	DC～11GHz
Insulation resistance	≥5000MΩ
Insertion loss	≤0.2dB(6GHz)
VSWR	Straight ≤1.15/6GHz
Right angle	≤1.25/6GHz
Durability(mating)	≥500 (cycles)