SMB series are snap-on-latched coupling miniature coaxial connectors which are produced according to the specifications of MIL-C-39012 and IEC 169-0. They have the characteristics of light weight, small size, convenient connection, excellent electrical and mechanical properties, are always suitable to connect coaxial cables in RF circuits of electronic equipment. 1. Technical Characteristics: Temperature range: -65~+165℃ 2. Electrical Characteristics: Characteristic impedance: 50Ω Working voltage: 250V max Frequency range: 0~4GHz Dielectric withstanding voltage: at sea level 750V (volts RMS) Contact resistance: center contact ≤6.0mΩ Outer contact ≤1.0mΩ Insulation resistance: ≥5000 mΩ VSWR: Straight ≤1.34 3. Mechanical Characteristics Body or other metallic part: Brass, gold/nickel plated Male center contacts: Brass, gold plated Female center contacts: Beryllium copper, gold plated Insulators: PTFE Crimp ferrules: Copper alloy, nickel or gold plated Sealing washer: Silicone rubber Connector durability: 500 cycles The product is compliance with ROHS standard. We can develop and manufacture all sorts of RF coaxial connectors according to your special requirements on OEM basis, welcome to contact us for more information.