2SK971
Reverse Drain Current vs.
Source to Drain Voltage
20
Reverse Drain Current I
DR
(A)
16
Pulse Test
12
10 V
15 V
5V
V
GS
= 0, – 5 V
8
4
0
0.4
0.8
1.2
2.0
1.6
Source to Drain Voltage V
SD
(V)
Normalized Transient Thermal Impedance
γ
s (t)
Normalized Transient Thermal Impedance vs. Pulse Width
3
D=1
0.5
0.3
0.1
T
C
= 25°C
1.0
0.2
0.1
0.05
0.03
0.01
10
µ
0.02
e
1
uls
0.0
ot P
h
1S
θch–c
(t) =
γ
S
(t) ·
θch–c
θch–c
= 3.13°C/W, T
C
= 25°C
P
DM
PW
1
D = PW
T
10
T
1m
10 m
Pulse Width PW (s)
100 m
100
µ
6
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