Datasheet

IRGB4064DPbF
www.irf.com 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
t
1
, Rectangular Pulse Duration (sec)
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
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
Ri (°C/W) τι (sec)
1.939783 0.000975
1.721867 0.006135
τ
J
τ
J
τ
1
τ
1
τ
2
τ
2
R
1
R
1
R
2
R
2
τ
τ
C
Ci= τi/Ri
Ri (°C/W) τι (sec)
0.007362 0
0.342317 0.000048
0.647826 0.000192
0.493231 0.001461
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
Ci
i
/
Ri
Ci= τi/Ri
τ
τ
C
τ
4
τ
4
R
4
R
4