2SK973 L , 2SK973 S
Reverse Drain Current vs.
Source to Drain Voltage
5
Reverse Drain Current I
DR
(A)
4
Pulse Test
3
10 V
15 V
2
5V
1
V
GS
= 0, –5 V
0
0.8
0.4
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
0.02
lse
0.01
ot Pu
h
1S
θch–c(t)
=
γ
S
(t) ·
θch–c
θch–c
= 12.5°C/W, T
C
= 25°C
P
DM
PW
1
D = PW
T
10
0.03
0.01
10
µ
T
1m
10 m
Pulse Width PW (s)
100 m
100
µ
6