2SK1307
Power vs. Temperature Derating
60
Channel Dissipation Pch (W)
100
Maximum Safe Operation Area
10
30
Drain Current I
D
(A)
PW
10
1
s
m
=
µ
s
0
µ
s
40
10
3
1.0
0.3
C
D
10
n
tio
ra
pe
O
m
s
(1
o
Sh
t)
=
(T
C
20
Operation in this Area
is Limited by R
DS (on)
25
)
°C
Ta = 25°C
0.1
0
50
100
Case Temperature T
C
(°C)
150
1
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
= 3.57°C/W, T
C
= 25°C
P
DM
0.03
PW
T
1
10
D = PW
T
0.01
10
µ
3
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