2SK1305
Power vs. Temperature Derating
30
Channel Dissipation Pch (W)
100
30
Drain Current I
D
(A)
20
10
3
1.0
0.3
0.1
1
Maximum Safe Operation Area
ea
Ar
is
(on)
th
S
in R
D
n by
tio
ra ted
pe imi
O L
is
10
µ
s
0
10
1
µ
s
PW
D
C
m
s
=
O
10
m
io
n
(T
pe
ra
t
s
(1
o
sh
10
t)
25
°C
)
C
=
Ta = 25°C
0
50
100
Case Temperature T
C
(°C)
150
10
100 300 1,000
3
30
Drain to Source Voltage V
DS
(V)
Normalized Transient Thermal Impedance
γ
S
(t)
Normalized Transient Thermal Impedance vs. Pulse Width
3
T
C
= 25°C
1.0
D=1
0.5
0.3
0.1
0.2
0.1
0.05
0.02
0.01
ulse
P
hot
1S
100
µ
1m
10 m
Pulse Width PW (s)
100 m
θch–c
(t) =
γ
S
(t) ·
θch–c
θch–c
= 5.0°C/W, T
C
= 25°C
P
DM
PW
T
1
10
D = PW
T
0.03
0.01
10
µ
3
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