2SK1949 L , 2SK1949 S
Reverse Drain Current vs.
Souece to Drain Voltage
Repetive Avalanche Energy E
AR
(mJ)
10
Reverse Drain Current I
DR
(A)
Pulse Test
8
10 V
V
GS
= 0, –5 V
4
5V
2.5
Maximun Avalanche Energy vs.
Channel Temperature Derating
I
AP
= 5 A
V
DD
= 25 V
duty < 0.1 %
Rg > 50
2
6
1.5
1
2
0.5
0
25
0
0.4
0.8
1.2
1.6
2.0
50
75
100
125
150
Drain to Source Voltage
V
DS
(V)
Channel Temperature Tch (°C)
Avalanche Test Circuit and Waveform
E
AR
=
1
2
• L • I
AP
2
V
DSS
V
DSS
– V
DD
V
DS
Monitor
L
I
AP
Monitor
V
(BR)DSS
I
AP
V
DD
I
D
V
DS
Rg
Vin
–15 V
D. U. T
50Ω
0
V
DD
6
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