5961-00-552-1663 (9330-971-90112)
NSN 5961-00-552-1663 (NIIN 00-552-1663) is a thyristor semiconductor device in Federal Supply Class 5961, Semiconductor Devices And Associated Hardware — a bistable semiconductor device comprising three or more junctions which is normally a nonconductor until the application of a signal to a gate terminal. Manufacturer part number 9330-971-90112 (Communication Systems Div North, CAGE 52361); also referenced as BTY70-600R, BTY79-600R (Communication Systems Div North).
Key specs: 600 nominal off-state voltage, RMS total voltage in volts; 14 A nominal on-state current, DC current; full characteristics table below. NIIN assigned October 1974; ESD/EMI-sensitive; export Schedule B 8541.30.0080.