SMA series RF coaxial connector has small volume, wide frequency band, excellent mechanical properties, high reliability and so on. It is one of the most popular used RF coaxial connectors.
Electrical Characteristics:
Characteristic Impedance: 50Ω
Frequency Range:
For flexible cable: 0-12.4GHz
For semi-rigid or semi-flexible cable: 0-18GHz
Contact Resistance:
Inner conductor: ≤ 3.0MΩ
Out conductor: ≤ 2.0 MΩ
Insulation Resistance: ≥ 5000MΩ

VSWR:
For flexible cable: ≤ 1.15+0.02f
For semi-rigid or semi-flexible cable(Straight): ≤ 1.10+0.01f
Durability: 500 cycles
Material and Finishing:
Center Contact:
Pin-------phosphor bronze, gold plated
Jack------beryllium bronze, gold plated
Body and other metal parts:
Brass, nickel or gold plated
Insulator: PTFE
Gasket: Silicone Rubber.