5SNE 0800E330100
0.1
Analytical function for transient thermal
impedance:
Zth(j-c) Diode
n
Z (t) = R (1-e-t/ti )
0.01
Zth(j-c) IGBT
å
th (j-c)
i
i=1
i
1
2
3
4
5
Ri(K/kW) 8.78
2.06 0.961 0.948
0.001
207.4 30.1
7.55
1.57
ti(ms)
Ri(K/kW) 17.3
4.28
1.92
7.53
1.92
1.57
203.6 30.1
ti(ms)
0.0001
0.001
0.01
0.1
1
10
t [s]
Fig. 16 Thermal impedance vs time
ABB Switzerland Ltd, Semiconductors reserves the right to change specifications without notice.
ABB Switzerland Ltd
Semiconductors
Doc. No. 5SYA1562-01 July 07
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