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Transistors
Power Transistor (31±4V, 2A)
2SD2167
2SD2167
zFeatures 1) Built-in zener diode between collector and base. 2) Zener diode has low voltage dispersion. 3) Strong protection against reverse power surges due
to low loads. 4) PC=2 W (on 40×40×0.7mm ceramic board)
zExternal dimensions (Unit : mm)
3.0 1.5 1.5 0.4 0.4 0.4 0.5 1.5 1.6
4.5
ROHM : MPT3 EIAJ : SC-62
4.0 1.0 2.5 0.5
(1) (2) (3)
(1) Base (2) Collector (3) Emitter
zAbsolute maximum ratings (Ta = 25°C)
Parameter
Symbol
Limits
Collector-base voltage Collector-emitter voltage
VCBO VCEO
31±4 31±4
Emitter-base voltage Collector current
VEBO IC
5 2 3
Collector power dissipation
PC
0.