SMA-KFK23G

Connectors– RF – details

Product Series SMA Series
Series of Modifications Basic Type
Connector Type Hermetic Flange Receptacle
Contact Type Pin or Socket (Male/Female)
Characteristic Impedance 50 Ω
Mounting Style 4-Hole Flange Mount
Termination Method Solder Cup / Feedthrough (depending on model)
Body Material Stainless Steel
Body Finish Passivated Stainless Steel
Contact Finish Gold Plating
Sealing Type Glass-to-Metal Hermetic Seal
SKU: RF-00018 Categories: , Brand:

SMA Series Product Introduction

The SMA Series is one of the most widely used RF coaxial connector families, offering a compact design, wide operating bandwidth, and excellent mechanical and electrical performance. It is designed to provide reliable, high-frequency signal transmission in demanding environments.

SMA connectors are widely used in telecommunications, aerospace, navigation, defense systems, radar, satellite communications, wireless networks, and microwave test and measurement equipment.


Key Features

  • Compact and lightweight design
  • Wide operating frequency range
  • 50 Ω characteristic impedance
  • Excellent mechanical and electrical performance
  • Low VSWR and insertion loss
  • High reliability and durability
  • Suitable for aerospace, military, industrial, and microwave applications

Technical Specifications

Parameter Specification
Frequency Range DC–12.4 GHz (Flexible Cable)
  DC–18 GHz (Semi-Rigid / Semi-Flexible Cable)
Operating Temperature −55°C to +155°C
Characteristic Impedance 50 Ω
VSWR (Flexible Cable) ≤ 1.15 + 0.02 × F*
VSWR (Semi-Rigid / Semi-Flexible Cable) ≤ 1.10 + 0.02 × F*
Insulation Resistance ≥ 5000 MΩ
Operating Voltage 330 V RMS
Dielectric Withstanding Voltage 1000 V RMS
Contact Resistance (Center Contact) ≤ 3 mΩ
Contact Resistance (Outer Contact) ≤ 2 mΩ
Mechanical Life ≥ 500 Mating Cycles

* F = Operating Frequency (GHz)