2SK1626, 2SK1627
Maximum Safe Operation Area
Power vs. Temperature Derating
60
Channel Dissipation Pch (W)
20
Drain Current I
D
(A)
10
5
2
1
0.5
0.2
0.1
0
50
100
Case Temperature T
C
(°C)
150
0.05
1
1
D
50
10
µ
s
µ
s
0
10
m
s
)
)
ot
°C
Sh
25
(1
C
=
s
m
n (T
10
tio
=
ra
e
PW
Op
C
40
20
Operation in this Area
is Limited by R
DS (on)
Ta = 25°C
2SK1627
2SK1626
3
30
10
100 300 1,000
Drain to Source Voltage V
DS
(V)
Normalized Transient Thermal Impedance
γ
S
(t)
Normalized Transient Thermal Impedance vs. Pulse Width
3
1.0
D=1
0.5
0.3
0.1
0.2
0.1
0.05
0.02
0.01
ulse
P
hot
1S
T
C
= 25°C
θch–c
(t) =
γ
S
(t) ·
θch–c
θch–c
= 3.57°C/W, T
C
= 25°C
P
DM
PW
1
D = PW
T
0.03
0.01
10
µ
T
1m
10 m
Pulse Width PW (s)
100 m
100
µ
10
3