Westinghouse KU676 Thyratron Electronic Vacuum Tube

The Westinghouse KU676 Thyratron Electronic Tube is a glass-encased, gas-filled high-voltage switch used for pulse generation and controlled rectification in vintage electronic systems. Dating from the 1940s, this thyratron tube was commonly installed in military equipment, laboratory instruments, radar assemblies, broadcast transmitters, and industrial power-control gear, making it a staple for restoration projects and period-accurate displays. Technical details include Brand: Westinghouse; Part Number: KU676; Tube Type: Gas-Filled Thyratron Vacuum Tube; Construction: glass vacuum tube assembly; Mounting: socket mounted; Era: circa 1940s. Common replacements for compatibility in recreations and restorations include RCA 2050, GE FG57, and Tung-Sol 5C22.