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V23990-P640-G-PM Datasheet, PDF (8/13 Pages) Vincotech – Optionally with brake chopper
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Figure 9
IGBT transient thermal impedance
as a function of pulse width
ZthJH = f(tp)
101
Brake
V23990-P640-G/H-PM
preliminary datasheet
Figure 10
FRED transient thermal impedance
as a function of pulse width
ZthJH = f(tp)
101
100
100
10-1
10-2
10-5
10-4
10-3
10-2
With
D=
RthJH =
tp / T
1,08
K/W
D = 0,5
0,2
0,1
10-1
0,05
0,02
0,01
0,005
0.000
10-1
100 t p (s)
101 1
10-2
10-5
10-4
10-3
10-2
With
D=
RthJH =
tp / T
1,86
K/W
D = 0,5
0,2
0,1
0,05
0,02
0,01
0,005
0.000
10-1
100
t p (s) 101 1
Copyright by Vincotech
8
Revision: 1
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