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V23990-P849-X4X-P2-14 Datasheet, PDF (12/20 Pages) Vincotech – Industrial Drives Embedded Generation
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Figure 9
IGBT transient thermal impedance
as a function of pulse width
ZthJH = f(tp)
101
Brake
V23990-P849-A48/A49/C49/C49-PM
preliminary datasheet
Figure 10
FRED transient thermal impedance
as a function of pulse width
ZthJH = f(tp)
101
100
100
10-1
D = 0,5
0,2
0,1
10-1
0,05
0,02
0,01
0,005
0.000
D = 0,5
0,2
0,1
0,05
0,02
0,01
0,005
0.000
10-2
10-5
10-4
10-3
10-2
10-1
100
101
tp (s)
10-2
10-5
10-4
10-3
10-2
10-1
100
tp (s) 101
With
With
D=
tp / T
D=
tp / T
RthJH =
2,93
K/W
RthJH =
3,98
K/W
copyright Vincotech
12
Revision: 2
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