IHW20N120R2
Soft Switching Series
240V
10V
960V
5V
0V
0nC
50nC
100nC
150nC
QGE, GATE CHARGE
Figure 17. Typical gate charge
(IC=20 A)
Ciss
1nF
100pF
Coss
Crss
10pF
0V
10V
20V
VCE, COLLECTOR-EMITTER VOLTAGE
Figure 18. Typical capacitance as a function
of collector-emitter voltage
(VGE=0V, f = 1 MHz)
D=0.5
10-1K/W
10-2K/W
0.2
0.1
0.05
0.02
0.01
R,(K/W)
0.0578
0.1699
0.1392
0.087
τ, (s)
1.16*10-1
1.88*10-2
2.03*10-3
2.38*10-4
R1
R2
single pulse
C1=τ1/R1 C2=τ2/R2
10-3K/W
10µs 100µs 1ms 10ms 100ms
tP, PULSE WIDTH
Figure 19. IGBT transient thermal
resistance
(D = tp / T)
D=0.5
10-1K/W 0.2
0.1
0.05
R,(K/W)
0.0788
0.183
0.162
0.0505
τ, (s)
1.04*10-1
1.52*10-2
9.51*10-4
4.95*10-5
10-2K/W
0.02
0.01
single pulse
R1
R2
C1=τ1/R1 C2=τ2/R2
10µs 100µs 1ms 10ms 100ms
tP, PULSE WIDTH
Figure 20. Diode transient thermal
impedance as a function of pulse width
(D=tP/T)
Power Semiconductors
8
Rev. 1.2 May 06