Datasheet

IRGB4061DPbF
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 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) τi (sec)
0.244 0.000084
1.102 0.001770
0.655 0.013544
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
τ
C
Ci τi/Ri
Ci= τi/Ri
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
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)
0.3193 0.000273
0.4104 0.004525
τ
J
τ
J
τ
1
τ
1
τ
2
τ
2
R
1
R
1
R
2
R
2
τ
τ
C
Ci i/Ri
Ci= τi/Ri