Specifications TypeSMB connectorIssue No.2 Date of Issue1-1-2018Page1 Description Type SMB:with inner diameter of outer conductor 3mm(0.12in)with snap-on coupling-Characteristic impedance 50Ω. The series connectors are one kind of low power mini nature connectors with snap-on coupling mechanism and have the characteristics of light weight, small size, convenient connection and excellent characteristics. They are for connect cables in RF circuits of electronic equipment. Application 1.RF circuits of electronic equipment Performance: Impedance50 Ω Temperature Range-40~+155℃ Impedance50 Ω Frequency RangeDC～3GHz Working Voltage250V max Withstand Voltage500V rms Contact resistanceCenter Contact ≤ 5 mΩ / Outer Contact ≤ 2.5 mΩ Insulation resistance≥ 1000 MΩ VSWRStraight DC～1GHz ≤1.15; 1～3GHz ≤ 1.25 Right angle DC～1GHz ≤1.20; 1～3GHz ≤ 1.35 Durability500cyclesSMB RF Connectors website:http://www.precision-machineryparts.com/rf-connectors/smb-rf-connectors/