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2SK1859 Datasheet, PDF (4/6 Pages) Hitachi Semiconductor – Silicon N-Channel MOS FET
2SK1859
Power vs. Temperature Derating
90
60
30
0
50
100
150
Case Temperature Tc (°C)
Maximum Safe Operation Area
50
30
10
3
1
0.3
OilnipmetihtreaisdtiaobrnyeaRisDS (on)
DC
PW
= 10
Operation (Tc
1 ms
ms (1 Shot)
= 25°C)
0.1 Ta = 25°C
0.05
1 3 10 30 100 300 1000
Drain to Source Voltage VDS (V)
Normalized Transient Thermal Impedance vs. Pulse Width
3
1 D=1
0.5
0.3 0.2
0.1 0.1
0.05
θch – c(t) = γ s(t).θch – c
θch – c = 2.08°C/W, Tc = 25°C
PDM
0.03
0.01
0.02
0.01 1 Shot Pulse
PW
T
D
=
PW
T
10 µ
100 µ
1m
10 m
100 m
1
10
Pulse Width PW (S)
4