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SMA connector

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TYPE SMA is a kind of RF coaxial connectors that is widely applied, with small-sized thread coupling. Characteristic impedance is 50Ω. The characteristic of connectors is in wide frequency range, excellent performance, high reliability. They are used in connection with RF cable or micro-strip line in RF circuit of the WIAN SYSTEM, controlled program, microwave equipment and the digital communication system. The frequency can be up to 18GHz by using semi-rigid or semi-flex cable.

SMA connector

Major characteristics:

Temperature range-55~+155℃(PE Cable -40~+85℃)
Vibration98m/S²(10-2000Hz)10g
Impedance50Ω
Frequency rangeDC-12.4GHz(Semi-Rigled Cable DC-18GHz)
Working voltage335V r.m.s at sea level
Withstanding voltage1000V r.m.s at sea level
Contact resistance
Center contact≤3mΩ
Outer contact≤2.5mΩ
Insulation resistance≥5000MΩ
Center conductor retention force≥0.28N
Coupling nut retention force≥180N
Insertion loss≤0.15dB/6GHz
Voltage Standing Wave Ratio
Straight≤1.10+0.02f
Semi-rigid cable≤1.07+0.018f
Right angle≤1.20+0.03f
Semi-rigid cable≤1.17+0.02f
Durability(mating)≥500(Cycles)