IRGP4660DPbF/IRGP4660D-EPbF
www.irf.com © 2014 International Rectifier Submit Datasheet Feedback November 17, 2014
7
Fig. 26. Maximum Transient Thermal Impedance, Junction-to-Case (DIODE)
Fig 25. Maximum Transient Thermal Impedance, Junction-to-Case (IGBT)
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
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
Ri (°C/W) τi (sec)
0.0872 0.000114
0.1599 0.001520
0.2020 0.020330
τ
J
τ
J
τ
1
τ
1
τ
2
τ
2
τ
3
τ
3
R
1
R
1
R
2
R
2
R
3
R
3
τ
C
Ci= τi/Ri
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
Ri (°C/W) τi (sec)
0.2774 0.000908
0.3896 0.003869
0.2540 0.030195
τ
J
τ
J
τ
1
τ
1
τ
2
τ
2
τ
3
τ
3
R
1
R
1
R
2
R
2
R
3
R
3
τ
C
Ci= τi/Ri
