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From 75% VDRM up to 3900 A, gate 10V 5ohm
Ansaldo Trasporti s.p.a.
Unita' Semiconduttori
PHASE CONTROL THYRISTOR AT708
Repetitive voltage up to 800 V
Mean on-state current 4925 A
Surge current 70 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 140 800 V
V RSM Non-repetitive peak reverse voltage 140 900 V
V DRM Repetitive peak off-state voltage 140 800 V
I RRM Repetitive peak reverse current V=VRRM 140 200 mA
I DRM Repetitive peak off-state current V=VDRM 140 200 mA
CONDUCTING
I T (AV) Mean on-state current 180° sin, 50 Hz, Th=55°C, double side cooled 4925 A
I T (AV) Mean on-state current 180° sin, 50 Hz, Tc=85°C, double side cooled 4185 A
I TSM Surge on-state current sine wave, 10 ms 140 70 kA
I² t I² t without reverse voltage 24500 x1E3 A²s
V T On-state voltage On-state current = 10000 A 25 1.5 V
V T(TO) Threshold voltage 140 0.84 V
r T On-state slope resistance 140 0.060 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 70% of VDRM 140 500 V/µs
td Gate controlled delay time, typical VD=100V, gate source 10V, 10 ohm , tr=.5 µs 25 3 µs
tq Circuit commutated turn-off time, typical dV/dt = 20 V/µs linear up to 75% VDRM 160 µs
Q rr Reverse recovery charge di/dt=-20 A/µs, I= 2600 A 140 µC
I rr Peak reverse recovery current VR= 50 V A
I H Holding current, typical VD=5V, gate open circuit 25 300 mA
I L Latching current, typical VD=5V, tp=30µs 25 1000 mA
140 320 A/µs
GATE
V GT Gate trigger voltage VD=5V 25 3.5 V
I GT Gate trigger current VD=5V 25 250 mA
V GD Non-trigger gate voltage, min. VD=VDRM 140 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 11 °C/kW
R th(c-h) Thermal impedance Case to heatsink, double side cooled 2 °C/kW
T j Operating junction temperature
F Mounting force 40.0 / 50.0 kN
Mass 1700 g
ORDERING INFORMATION : AT708 S 08
VDRM&VRRM/100
140 °C
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AT708 PHASE CONTROL THYRISTOR
FINAL SPECIFICATION feb 97 - ISSUE : 02
DISSIPATION CHARACTERISTICS
SQUARE WAVE
Th [°C]
140
130
120
110
100
90
80
70
60
30°
60°
90°
120°
180°
DC
50
PF(AV) [W]
8000
7000
6000
5000
4000
3000
2000
1000
0 1000 2000 3000 4000 5000 6000 7000
IF(AV) [A]
DC
30°
60°
90°
180°
120°
0
0 1000 2000 3000 4000 5000 6000 7000
IF(AV) [A]