IRFR/U3303PbF
200
150
100
50
L
I
D
V
DS
TOP
8.0A
11A
BOTTOM 18A
D.U.T.
R
+
-
G
V
DD
I
10 V
AS
t
p
0.01Ω
Fig 12a. Unclamped Inductive Test Circuit
0
V
(BR)DSS
25
50
75
100
125
150
°
Starting T , Junction Temperature ( C)
t
J
p
V
DD
Fig 12c. Maximum Avalanche Energy
Vs. Drain Current
V
DS
I
AS
Fig 12b. Unclamped Inductive Waveforms
Current Regulator
Same Type as D.U.T.
50KΩ
.2µF
12V
Q
G
.3µF
+
10 V
V
DS
D.U.T.
-
Q
Q
GD
GS
V
GS
V
G
3mA
I
I
D
G
Charge
Current Sampling Resistors
Fig 13b. Gate Charge Test Circuit
Fig 13a. Basic Gate Charge Waveform