Datasheet
www.vishay.com Document Number: 91262
6 S11-0112-Rev. C, 31-Jan-11
IRFPS43N50K, SiHFPS43N50K
Vishay Siliconix
Fig. 12a - Unclamped Inductive Test Circuit Fig. 12b - Unclamped Inductive Waveforms
Fig. 12c - Maximum Avalanche Energy vs. Drain Current
Fig. 13a - Basic Gate Charge Waveform Fig. 13b - Gate Charge Test Circuit
A
R
G
I
AS
0.01 Ω
t
p
D.U.T
L
V
DS
+
-
V
DD
Driver
15 V
20 V
I
AS
V
DS
t
p
25 50 75 100 125 150
0
500
1000
1500
2000
Starting T , Junction Temperature ( C)
E , Single Pulse Avalanche Energy (mJ)
J
AS
°
I
D
TOP
BOTTOM
22A
30A
47A
Q
GS
Q
GD
Q
G
V
G
Charge
10 V
D.U.T.
3 mA
V
GS
V
DS
I
G
I
D
0.3 µF
0.2 µF
50 kΩ
12 V
Current regulator
Current sampling resistors
Same type as D.U.T.
+
-