AT671 datasheet pdf

PHASE CONTROL THYRISTORAT671 Repetitive voltage up to4500V Mean on-state current1085A Surge current13kA FINAL SPECIFICATION feb 97 - ISSUE : 02 SymbolCharacteristicConditions Tj [°C] ValueUnit BLOCKING VRRMRepetitive peak reverse voltage1254500V VRSMNon-repetitive peak reverse voltage1254600V VDRMRepetitive peak off-state voltage1254500V IRRMRepetitive peak reverse currentV=VRRM125100mA IDRMRepetitive peak off-state currentV=VDRM125100mA CONDUCTING IT (AV)Mean on-state current180° sin, 50 Hz, Th=55°C, double side cooled1085A IT (AV)Mean on-state current180° sin, 50 Hz, Tc=85°C, double side cooled945A ITSMSurge on-state currentsine wave, 10 ms12513kA I² tI² twithout reverse voltage845x1E3A²s VTOn-state voltageOn-state current = 2000A25 V VT(TO)Threshold voltage1251.2V rTOn-state slope resistance1250.700mohm SWITCHING di/dtCritical rate of rise of on-state current, min. From 75% VDRM up to 1200 A, gate 10V 5ohm 125400A/μs dv/dtCritical rate of rise of off-state voltage, min.Linear ramp up to 75% of VDRM1251000V/μs tdGate controlled delay time, typicalVD=200V, gate source 20V, 10 ohm , tr=.5 μs253μs tqCircuit commutated turn-off time, typicaldV/dt = 20 V/μs linear up to 80% VDRM350μs QrrReverse recovery chargedi/dt=-60 A/μs, I= 1000 A125μC IrrPeak reverse recovery currentVR= 50 VA IHHolding current, typicalVD=5V, gate open circuit25 mA ILLatching current, typicalVD=12V, tp=30μs25 mA GATE VGTGate trigger voltageVD=5V253.5V IGTGate trigger currentVD=5V25400mA VGDNon-trigger gate voltage, min.VD=VDRM1250.25V VFGMPeak gate voltage (forward) 30V IFGMPeak gate current 10A VRGMPeak gate voltage (reverse) 5V PGMPeak gate power dissipationPulse width 100 μs 150W PGAverage gate power dissipation 2W MOUNTING Rth(j-h)Thermal impedance, DCJunction to heatsink, double side cooled21°C/kW Rth(c-h)Thermal impedanceCase to heatsink, double side cooled6°C/kW TjOperating junction temperature -30 /125°C FMounting force 22.0 /24.5kN Mass520g ORDERING INFORMATION : AT671 S 45 standard specification VDRM&VRRM/100 Via N. Lorenzi 8 - I 16152 GENOVA - ITALY Tel. int. +39/(0)10 6556549 - (0)10 6556488 Fax Int. +39/(0)10 6442510 Tx 270318 ANSUSE I - ANSALDO Ansaldo Trasporti s.p.a. Unita' Semiconduttori

Specifications