2SK1094
Power vs. Temperature Derating
30
100
Maximum Safe Operation Area
Channel Dissipation Pch (W)
30
Drain Current I
D
(A)
20
10
3
1.0
0.3
0.1
0
50
100
Case Temperature T
C
(°C)
150
1
is
th
in d
n ite
io lim
)
at
n
er a is
S (o
p e
D
O ar R
by
10
PW
D
C
O
pe
10
=
1
µ
s
0
10
m
µ
s
m
s
s
ra
tio
n
(1
=
Sh
10
(T
ot
)
C
25
°C
)
Ta = 25°C
0.3
1.0
3
10
30 100
Drain to Source Voltage V
DS
(V)
Normalized Transient Thermal Impedance
γ
S
(t)
Normalized Transient Thermal Impedance vs. Pulse Width
3
D=1
0.5
0.3
0.1
0.2
0.1
T
C
= 25°C
1.0
0.05
0.02
0.01
0.03
0.01
10
µ
1
se
Pul
hot
S
100
µ
1m
10 m
Pulse Width PW (s)
θch–c(t)
=
γ
S
(t) ·
θch–c
θch–c
= 5.0°C/W, T
C
=25°C
P
DM
D = PW
T
PW
T
100 m
1
10
3
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