NTE5440 Silicon Controlled Rectifier (SCR) 800V, 12A, TO220 Isolated Tab Applications: D Motor Control D Overvoltage Crowbar Protection D Capacitive Discharge Ignition D Voltage Regulation D Welding Equipment D Capacitive Filter Soft−Start (Inrush Current Control) Absolute Maximum Ratings: Repetitive Peak Voltages, VDRM, VRRM . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 800V RMS On−State Current (Full Sine Wave, TC = +95°C), IT(RMS) . . . . . . . . . . . . . . . . . . . . . . . . . . . 12A Average On−State Current (TC = +95°C), IT(AV) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10A Non−Repetitive Surge Peak On−State Current (Full Cycle, TJ Initial = +25°C), ITSM F = 50Hz . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 100A F = 60Hz . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 120A 2 I t Value for Fusing (t p= 10ms), I2t . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 60A2s Critical Rate of Rise of On−State Current (IG = 2 x IGT, tr < 100ns, TJ = +125°C), di/dt . . . 100A/μs Peak Gate Current (tp = 20μs, TJ = +125°C), IGM . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4A Average Gate Power Dissipation (TJ = +125°C), PG(AV) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1W Maximum Peak Reverse Gate Voltage, VRGM . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5V Isolation Voltage, VISO . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2500Vrms Operating Junction Temperature Range, TJ . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . −40° to +125°C Storage Temperature Range, Tstg . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . −40° to +150°C Thermal Resistance, Junction−to−Case, RthJC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2.1°C/W Thermal Resistance, Junction−to−Ambient, RthJA . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 60°C/W Electrical Characteristics: (TA = +25°C unless otherwise specified) Parameter Symbol Test Conditions Min Typ Max Unit Gate−Trigger Current IGT VD = 12V, RL = 30Ω − − 25 mA Gate−Trigger Voltage VGT VD = 12V, RL = 30Ω − − 1.5 V Voltage that will not Trigger any Device VGD VD = 800V, RL = 3.3kΩ, TJ = +125°C 200 − − mV − − 40 mA Holding Current IH IT = 500mA, Gate Open Rev. 9−09 Electrical Characteristics (Cont’d): (TA = +25°C unless otherwise specified) Parameter Latching Current Symbol IL Test Conditions Min Typ Max Unit − − 60 mA 500 − − V/μs IG = 1.2 IGT Rate of Rise of Off−State Voltage that will not Trigger any Device dv/dt VD = 67% VDRM, TJ = +125°C, Gate Open On−State Voltage VTM ITM = 32A, tp = 380μs, TJ = +25°C − − 1.6 V Off−State Current IDRM VDRM = 800V, TJ = +25°C − − 5 μA Reverse Current IRRM VDRM = 800V, TJ = +125°C − − 2 mA .052 (1.32) Max .190 (4.83) Max .408 (10.36) Max .108 (2.74) .153 (3.89) Dia Max Isol .512 (13.0) Max .127 (3.23) Max .503 (12.78) Min .037 (0.94) Max Cathode .100 (2.54) Gate Anode