Reverse Drain Current vs.
Source to Drain Voltage
20
16
12
10 V
8
5V
VGS = 0, –5 V
4
Pulse Test
0
0.4 0.8 1.2 1.6 2.0
Source to Drain Voltage VSD (V)
2SK3155
Maximun Avalanche Energy vs.
Channel Temperature Derating
20
I AP = 15 A
16
V DD = 50 V
duty < 0.1 %
Rg > 50 Ω
12
8
4
0
25 50 75 100 125 150
Channel Temperature Tch (°C)
Vin
15 V
Avalanche Test Circuit
V DS
Monitor
Rg
50 Ω
L
I AP
Monitor
D. U. T
VDD
Avalanche Waveform
EAR =
1
2
• L • I AP2•
VDSS
VDSS – V DD
I AP
ID
V(BR)DSS
VDS
VDD
0
7