IRFR/U3412
50
V
DS
LIMITED BY PACKAGE
R
D
V
GS
40
R
G
V
GS
Pulse Width
≤ 1
µs
Duty Factor
≤ 0.1 %
D.U.T.
+
-
V
DD
I
D
, Drain Current (A)
30
20
Fig 10a.
Switching Time Test Circuit
10
V
DS
90%
0
25
50
75
100
125
150
175
T
C
, Case Temperature
( °C)
10%
V
GS
Fig 9.
Maximum Drain Current Vs.
Case Temperature
t
d(on)
t
r
t
d(off)
t
f
Fig 10b.
Switching Time Waveforms
10
(Z
thJC
)
1
D = 0.50
Thermal Response
0.20
0.10
0.1
0.05
0.02
0.01
SINGLE PULSE
(THERMAL RESPONSE)
Notes:
1. Duty factor D =
2. Peak T
0.01
0.00001
0.0001
0.001
t
1
/ t
2
+T
C
0.1
P
DM
t
1
t
2
J
= P
DM
x Z
thJC
0.01
t
1
, Rectangular Pulse Duration (sec)
Fig 11.
Maximum Effective Transient Thermal Impedance, Junction-to-Case
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KERSEMI [ Kersemi Electronic Co., Ltd. ]
