Datasheet

IRFB4115PbF
www.irf.com 5
Fig 13. Maximum Effective Transient Thermal Impedance, Junction-to-Case
Fig 14. - Typical Recovery Current vs. di
f
/dt
0 200 400 600 800 1000
di
F
/dt (A/μs)
0
10
20
30
40
50
I
R
R
(
A
)
I
F
= 42A
V
R
= 130V
T
J
= 25°C
T
J
= 125°C
Fig 15. - Typical Recovery Current vs. di
f
/dt
0 200 400 600 800 1000
di
F
/dt (A/μs)
0
10
20
30
40
50
I
R
R
(
A
)
I
F
= 62A
V
R
= 130V
T
J
= 25°C
T
J
= 125°C
Fig 16. - Typical Stored Charge vs. di
f
/dt
0 200 400 600 800 1000
di
F
/dt (A/μs)
0
500
1000
1500
2000
2500
Q
R
R
(
A
)
I
F
= 42A
V
R
= 130V
T
J
= 25°C
T
J
= 125°C
Fig 17. - Typical Stored Charge vs. di
f
/dt
0 200 400 600 800 1000
di
F
/dt (A/μs)
0
600
1200
1800
2400
3000
Q
R
R
(
A
)
I
F
= 62A
V
R
= 130V
T
J
= 25°C
T
J
= 125°C
1E-006 1E-005 0.0001 0.001 0.01 0.1
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
)
°
C
/
W
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)
0.245 0.0059149
0.155 0.0006322
τ
J
τ
J
τ
1
τ
1
τ
2
τ
2
R
1
R
1
R
2
R
2
τ
C
τ
C
Ci = τi/Ri
Ci= τi/Ri