NTE570 Silicon Controlled Avalanche Diode Absolute Maximum Ratings: Peak Reverse Voltage, VRM . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 130V Allowable Avalanche Current (Square Wave Single Pulse 100µs), IZSM . . . . . . . . . . . . . . . . . . . 1.0A Operating Junction Temperature Range, TJ . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . –40° to +150°C Storage temperature Range, Tstg . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . –40° to +150°C Electrical Characteristics: (TA = +25°C unless otherwise specified) Parameter Symbol Test Conditions Min Typ Max Unit 135 – 180 V Avalanche Voltage VZ IZ = 1mA Instantaneous Reverse Current IR VR = 130V – – 10 µA VR = 130V, TA = +100°C – – 50 µA IZ = 1mA – 0.15 – V/°C Reverse Current (High Temperature) IR(H) Temperature Dependency of VZ J 1.070 (27.2) Min .291 (7.4) Max .032 (0.83) Dia Max Color Band Denotes Cathode .165 (4.2) Dia Max