NTE5555 Silicon Controlled Rectifier (SCR) 820 Amp, TO200AB Absolute Maximum Ratings: (TJ = +125°C unless otherwise specified) Repetitive Peak Voltages, VRRM, VDRM, VDSM . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 600V Non−Repetitive Peak Reverse Blocking Voltage, VRSM . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 700V Average On−State Current (Half Sine Wave), IT(AV) Ths = +55°C (Double Side Cooled) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 735A RMS On−State Current (Ths = +25°C, Double Side Cooled), IT(RMS) . . . . . . . . . . . . . . . . . . . . . 820A Continuous On−State Current (Ths = +25°C, Double Side Cooled), IT . . . . . . . . . . . . . . . . . . . 1230A Peak One−Cycle Surge (10ms duration, 60% VRRM re−applied), ITSM (1) . . . . . . . . . . . . . . . . . 7600A Non−Repetitive On−State Current (10ms duration, VR ≤ 10V), ITSM (2) . . . . . . . . . . . . . . . . . . . 8360A Peak Forward Gate Current (Anode positive with respect to cathode), IFGM . . . . . . . . . . . . . . . . 20A Peak Forward Gate Voltage (Anode positive with respect to cathode), VFGM . . . . . . . . . . . . . . . 18V Peak Reverse Gate Voltage, VRGM . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5V Average Gate Power, PG . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2W Peak Gate Power (100μs pulse width), PGM . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 100W Rate of Rise of Off−State Voltage (To 80% VDRM gate open−circuit), dv/dt . . . . . . . . . . . . . 200V/μs Rate of Rise of On−State Current, di/dt (Gate drive 20V, 20Ω with tr ≤ 1μs, anode voltage ≤ 80% VDRM) Repetitive . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 500A/μs Non−Repetitive . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1000A/μs Operating Temperature Range, Ths . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . −40° to +125°C Storage Temperature Range, Tstg . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . −40° to +150°C Thermal Resistance, Junction−to−Heatsink, Rth(j−hs) (For a device with a maximum forward voltage drop characteristic) Double Side Cooled . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 0.05°C/W Single Side Cooled . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 0.1°C/W Peak On−State Voltage (ITM = 1550A), VTM . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1.78V Forward Conduction Threshold Voltage, VO . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1.03V Forward Conduction Slope Resistance, r . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 0.483mΩ Repetitive Peak Off−State Current (At VDRM), IDRM . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 40mA Repetitive Peak Reverse Current (At VRRM), IRRM . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 40mA Maximum Gate Current (VA = 6V, IA = 1A, TJ = +25°C), IGT . . . . . . . . . . . . . . . . . . . . . . . . . . . 150mA Maximum Gate Voltage (VA = 6V, IA = 1A, TJ = +25°C), VGT . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3V Maximum Holding Current (VA = 6V, IA = 1A, TJ = +25°C), IH . . . . . . . . . . . . . . . . . . . . . . . . . . 500mA Maximum Gate Voltage Which Will Not Trigger Any Device, VGD . . . . . . . . . . . . . . . . . . . . . . . 0.25V 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