BNC75 75Ω Connectors Hirose Electric BNC75 75Ω Connectors are 12G-SDI compatible and feature an easy-on, easy-off bayonet lock system. The series offers 150Vrms AC rated voltage and is rated for 75Ω. BNC75 connectors can mate with 50Ω-based BNC connectors. This series is reliable at high frequencies (up to 12GHz) and operates over a -30ºC to +60ºC temperature range. Applications for Hirose Electric BNC75 75Ω Connectors include professional cameras / broadcasting equipment, security / FA cameras, projectors, monitors, and medical devices.