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. Designed for high-frequency signal transmission, SMA connectors provide outstanding reliability in demanding RF and microwave applications.
They are widely used in telecommunications, aerospace, navigation, radar systems, defense electronics, 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 electrical and mechanical performance
- Low VSWR for efficient signal transmission
- High reliability and long service life
- Suitable for RF, microwave, aerospace, military, and industrial 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 |
Note: F = Operating Frequency (GHz).
