RP SMA Connectors

RP SMA Connector

Reverse Polarity (RP) SMA connector is most commonly used in various application among various RF connectors. Reverse Polarity (RP) SMA connector is designed to have thread coupling. Besides, Reverse Polarity (RP) SMA connector series are available for RF cables, PCB type and SMT type.

Wellshow Technology manufactures various Reverse Polarity (RP) SMA connectors and custom Reverse Polarity (RP) SMA RF cable assemblies in Taiwan. We can provide good quality in short time and welcome OEM or customized RF connectors. Contact us by email or call us 886-2-24270488 to start business!

RP SMA Connector Series

All RP SMA Connector

RP SMA Plug Connector

RP SMA Jack Connector


The Reverse Polarity (RP) SMA Connectors are non-standardized versions of SMA connectors. Applications for reverse polarity connectors are based on the regulations of FCC for the limited purpose of connecting between Wireless LAN devices.

Reverse Polarity SMA connector and standard SMA connector have high quality and characterized by high durability, high mechanical stability, long service life and optimum electrical features.

Product Range

  • Cable Connectors (straight and right angle) for flexible, semi-flex and semi-rigid cables
  • PCB connectors (straight and right angle)
  • Panel connectors in various flanges
  • Adaptors


  • Cable Assembly
  • Antenna
  • Microwave Comonents
  • Aero
  • Instrumentation
  • W-LAN
  • Vehicle Tracking System
  • GPS
  • Telecommunications
  • Cellular Mobile System


RP-SMA Connector Plug (Male) Interface

RP-SMA Connector Jack (Female) Interface



RP-SMA Connector Technical Characteristics

Impedance 50 ohm
Frequency range 0 ~ 18 GHz
VSWR Straight type ≤ 1.3 max.
R/A type ≤ 1.5 max.
Dielectric withstanding voltage 1000 V rms min. for RG142, RG405
750 V rms min. for RG316, RG402
500 V rms min. for RG178
Working voltage 500 V rms max. for RG142, RG405
375 V rms max. for RG316, RG402
170 V rms max. for RG178
Center contact resistance ≤ 6.0 mΩ (Milliohms max.)
Outer contact resistance ≤ 2.0 mΩ (Milliohms max.)
Insulation resistance ≥ 5×103 MΩ (Megohms min.)
Coupling 1/4-36 thread
Contact Retention 15 in-lbs. min.
Mating torque 2 in-lbs. min.
Mating Durability 500 cycles min. (For Beryllium copper contact only)
Temperature Range −65ºC ~ +155 ºC
Vibration MIL-STD-202 Meth. 204
Corrosion resistance MIL-STD-202 Meth. 101
Body, coupling nut Brass, Non-magnetic stainless steel
Insulator Teflon
Center contact Brass for male, Beryllium copper for female
Crimping sleeve Annealed Brass
Body plating Nickel (Ni), Gold (Au), Passivated
Center contact plating Gold (Au)
Note: These characteristics are typical and may not apply to all connectors.