The 68175-5RFX: This plug is factory-specified for RG-59, Belden 1426A, 1505A, 9100, and 9278 cables. No soldering required, which speeds harness build and gives consistent pull-off retention across the cable group.
RF Performance and Mechanical Life
At 4 GHz and 50 Ohm, the 0.2 dB insertion loss is typical for a crimp BNC at this frequency — the interface geometry and POM acetal dielectric keep the impedance steady through the transition. Voltage rating is 500 V, consistent with the BNC interface standard.
The 68175-5RFX is the RG-59 variant of the Amphenol RF BNC crimp plug family. The sibling 31-320-RFX accepts RG-58 class cable (RG-58, 58A, 58B, 58C, 141, 303, LMR-195) and offers a crimp-or-solder contact termination option. The 31-315-RFX is built for RG-174, 188, 316, and LMR-100 thin coax.
