NTE5557 Silicon Controlled Rectifier (SCR) 820 Amp, TO200AB Applications: D DC Motor Control D DC Power Supplies D AC Controller Absolute Maximum Ratings: (TJ = +125C unless otherwise specified) Repetitive Peak Voltages, VDRM, VRRM . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1600V Average On-State Current (TC = +55C, 180, Half Sine Wave, 50Hz), IT(AV) . . . . . . . . . . . . . . 735A RMS On-State Current (Ths = +55C, Double Side Cooled), IT(RMS) . . . . . . . . . . . . . . . . . . . . . 820A Continuous On-State Current (Ths = +25C, Double Side Cooled), IT . . . . . . . . . . . . . . . . . . . 1230A Peak One-Cycle Surge (10ms duration, Half Sine Wave, 50Hz), ITSM . . . . . . . . . . . . . . . . . . . 6200A Peak On-State Voltage (ITM = 1500A, TJ = +25C), VTM . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2.0V Repetitive Peak Off-State Current (At VDRM), IDRM . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 40mA Repetitive Peak Reverse Current (At VRRM), IRRM . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 40mA Maximum Gate Current (VA = 12V, IA = 1A, TJ = +25C), IGT . . . . . . . . . . . . . . . . . . . . . . . . . . 200mA Maximum Gate Voltage (VA = 12V, IA = 1A, TJ = +25C), VGT . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3V Rate of Rise of Off-State Voltage (VDRM = 1072V), dv/dt . . . . . . . . . . . . . . . . . . . . . . . . . . . . 500V/s Operating Junction Temperature, TJ . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . +125C Storage Temperature Range, Tstg . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . -40 to +125C Thermal Resistance, Junction-to-Case, RthJC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 0.05C/W Rev. 12-11 .190 (4.8) 25 1.650 (42.0) Dia 1.102 (28.0) .140 x .075 (3.5 x 1.8) Dia (2 Holes) .012 (0.3) .990 (25.1) Dia Cathode .590 (15.0) Gate Terminal Anode .990 (25.1) Dia