2SK1862, 2SK1863
Power vs. Temperature Derating
30
Channel Dissipation Pch (W)
30
10
Drain Current I
D
(A)
20
3
1
0.3
0.1
Maximum Safe Operation Area
10
n
)
P
tio is n
W
1
ra rea
S
(o
m
=
pe s a R
D
10
s
O hi y
D
t b
m
(T C O
in ed
s
c
(1
it
pe
=
m
Sh
li
25 ra
ot
°C tio
)
) n
Ta = 25°C
2SK1862
2SK1863
10
µ
s
0
10
µ
s
0.03
0
50
100
150
1
3
10
30
100
300 1000
Case Temperature Tc (°C)
Drain to Source Voltage V
DS
(V)
Normalized Transient Thermal Impedance vs. Pulse Width
Normalized Transient Thermal Impedance
γ
s (t)
3
Tc = 25°C
1.0
D=1
0.5
0.3
0.2
0.1
θ
ch – c(t) =
γ
s(t) .
θ
ch – c
θ
ch – c = 5.0°C / W, Tc = 25°C
PW
D= T
P
DM
T
1m
10 m
Pulse Width PW (S)
100 m
PW
0.1
0.05
0.02
Pul
se
0.03
0.01
0.01
10
µ
ot
1 sh
100
µ
1
10
3
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