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From 75% VDRM up to 1200 A, gate 10V 5ohm
Ansaldo Trasporti s.p.a.
Unita' Semiconduttori
PHASE CONTROL THYRISTOR AT671
Repetitive voltage up to 4500 V
Mean on-state current 1085 A
Surge current 13 kA
FINAL SPECIFICATION
feb 97 - ISSUE : 02
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 -
Symbol Characteristic Conditions
[°C]
Value Unit
BLOCKING
V RRM Repetitive peak reverse voltage 125 4500 V
V RSM Non-repetitive peak reverse voltage 125 4600 V
V DRM Repetitive peak off-state voltage 125 4500 V
I RRM Repetitive peak reverse current V=VRRM 125 100 mA
I DRM Repetitive peak off-state current V=VDRM 125 100 mA
CONDUCTING
I T (AV) Mean on-state current 180° sin, 50 Hz, Th=55°C, double side cooled 1085 A
I T (AV) Mean on-state current 180° sin, 50 Hz, Tc=85°C, double side cooled 945 A
I TSM Surge on-state current sine wave, 10 ms 125 13 kA
I² t I² t without reverse voltage 845 x1E3 A²s
V T On-state voltage On-state current = 2000 A 25 V
V T(TO) Threshold voltage 125 1.2 V
r T On-state slope resistance 125 0.700 mohm
SWITCHING
di/dt Critical rate of rise of on-state current, min.
dv/dt Critical rate of rise of off-state voltage, min. Linear ramp up to 75% of VDRM 125 1000 V/µs
td Gate controlled delay time, typical VD=200V, gate source 20V, 10 ohm , tr=.5 µs 25 3 µs
tq Circuit commutated turn-off time, typical dV/dt = 20 V/µs linear up to 80% VDRM 350 µs
Q rr Reverse recovery charge di/dt=-60 A/µs, I= 1000 A 125 µC
I rr Peak reverse recovery current VR= 50 V A
I H Holding current, typical VD=5V, gate open circuit 25 mA
I L Latching current, typical VD=12V, tp=30µs 25 mA
125 400 A/µs
GATE
V GT Gate trigger voltage VD=5V 25 3.5 V
I GT Gate trigger current VD=5V 25 400 mA
V GD Non-trigger gate voltage, min. VD=VDRM 125 0.25 V
V FGM Peak gate voltage (forward) 30 V
I FGM Peak gate current 10 A
V RGM Peak gate voltage (reverse) 5 V
P GM Peak gate power dissipation Pulse width 100 µs 150 W
P G Average gate power dissipation 2 W
MOUNTING
R th(j-h) Thermal impedance, DC Junction to heatsink, double side cooled 21 °C/kW
R th(c-h) Thermal impedance Case to heatsink, double side cooled 6 °C/kW
T j Operating junction temperature
F Mounting force 22.0 / 24.5 kN
Mass 520 g
ORDERING INFORMATION : AT671 S 45
VDRM&VRRM/100
125 °C
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AT671 PHASE CONTROL THYRISTOR
FINAL SPECIFICATION feb 97 - ISSUE : 02
DISSIPATION CHARACTERISTICS
SQUARE WAVE
Th [°C]
130
120
110
100
90
80
70
60
50
PF(AV) [W]
3500
3000
2500
2000
1500
30°
60°
90°
120°
180°
DC
0 200 400 600 800 1000 1200 1400 1600
IF(AV) [A]
DC
180°
30°
60°
90°
120°
1000
500
0
0 200 400 600 800 1000 1200 1400 1600
IF(AV) [A]