AT971 PHASE CONTROL THYRISTOR
FINAL SPECIFICATION Feb. 17 - Issue: 2
Annex
TRANSIENT THERMAL IMPEDANCE
DOUBLE SIDE COOLED
8
7
6
5
4
3
2
1
0
0,0001
0,001
0,01
0,1
t[s]
1
10
100
푛
푡
푍푡ℎ 푗−ℎ ꢀ = 퐴푖 ∗ ꢂ ꢃ 푒−
휏
ꢄ
푖ꢁ1
i
1
2
3
4
Ai [°C/kW]
4,320
3,400
1,701
1,800
1,183
0,160
0,296
0,001
τi [s]
Note:
This Zth j-h (t) curve takes into account of a contact thermal resistance value Rth c-h = 1,5 °C/kW.
Mounting recommendations must be followed in order to match the specified contact thermal resistance value.
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