POSEICO
POSEICO SPA
ATF860 FAST SWITCHING THYRISTOR
POwer SEmiconductors Italian COrporation
FINAL SPECIFICATION mag 06 - ISSUE : 05
SWITCHING CHARACTERISTICS
REVERSE RECOVERY CHARGE
Tj = 125 °C
800
700
600
500
400
300
200
100
0
1000 A
500 A
200 A
0
50
100
150
200
250
300
350
400
di/dt [A/µs]
REVERSE RECOVERY CURRENT
Tj = 125 °C
600
500
400
300
200
100
0
1000 A
500 A
200 A
0
50
100
150
200
250
300
350
400
di/dt [A/µs]
IF
d i/d t
ta
ta = Irr / (di/dt)
Softness (s factor) s = tb / ta
Energy dissipation during recovery Er = Vr · (Qrr - Irr ·ta / 2 )
tb = trr - ta
tb
Irr
Vr
POSEICO [ POWER SEMICONDUCTORS ]
