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)









