2SK3157
Maximun Avalanche Energy vs.
Channel Temperature Derating
Reverse Drain Current vs.
Source to Drain Voltage
20
16
12
8
50
40
30
20
Pulse Test
I
= 20 A
AP
V
= 50 V
DD
duty < 0.1 %
Ω
Rg > 50
V
= 10 V
GS
5 V
0, –5 V
4
10
0
0
0.2
0.4
0.6
0.8
SD
1.0
(V)
25
50
75
100
125
150
Source to Drain Voltage
V
Channel Temperature Tch (°C)
Avalanche Test Circuit
Avalanche Waveform
V
DSS
1
2
2
E
=
• L • I
•
AP
AR
V
– V
DD
DSS
L
V
DS
Monitor
I
AP
V
(BR)DSS
Monitor
I
AP
Rg
V
V
DD
D. U. T
DS
I
D
Vin
15 V
50Ω
V
DD
0
6