IRG7PH28UD1PbF/IRG7PH28UD1MPbF
6 www.irf.com © 2012 International Rectifier January 8, 2013
1E-006 1E-005 0.0001 0.001 0.01 0.1 1
t
1
, Rectangular Pulse Duration (sec)
0.0001
0.001
0.01
0.1
1
10
T
h
e
r
m
a
l
R
e
s
p
o
n
s
e
(
Z
t
h
J
C
)
0.20
0.10
D = 0.50
0.02
0.01
0.05
SINGLE PULSE
( THERMAL RESPONSE )
Notes:
1. Duty Factor D = t1/t2
2. Peak Tj = P dm x Zthjc + Tc
1E-006 1E-005 0.0001 0.001 0.01 0.1 1
t
1
, Rectangular Pulse Duration (sec)
0.001
0.01
0.1
1
10
T
h
e
r
m
a
l
R
e
s
p
o
n
s
e
(
Z
t
h
J
C
)
0.20
0.10
D = 0.50
0.02
0.01
0.05
SINGLE PULSE
( THERMAL RESPONSE )
Notes:
1. Duty Factor D = t1/t2
2. Peak Tj = P dm x Zthjc + Tc
Fig. 19 - Maximum Transient Thermal Impedance, Junction-to-Case (IGBT)
Fig. 20 - Maximum Transient Thermal Impedance, Junction-to-Case (DIODE)
Ri (°C/W)
i (sec)
0.00756 0.000005
0.56517 0.000677
0.54552 0.003514
0.25085 0.019551
J
J
1
1
2
2
3
3
R
1
R
1
R
2
R
2
R
3
R
3
Ci= iRi
Ci= iRi
C
C
4
4
R
4
R
4
Ri (°C/W)
i (sec)
0.015352 0.000008
0.360775 0.000223
0.431394 0.002475
0.282479 0.01715
J
J
1
1
2
2
3
3
R
1
R
1
R
2
R
2
R
3
R
3
Ci= iRi
Ci= iRi
C
C
4
4
R
4
R
4