q High forward current transfer ratio hFE which has satisfactory linearity
q Low collector to emitter saturation voltage VCE(sat) q Full-pack package which can be installed to the heat sink with
one screw
s Absolute Maximum Ratings (TC=25˚C)
Parameter
Symbol
Ratings
Collector to base voltage
Collector to emitter voltage
Emitter to base voltage
Peak collector current
Collector current
Collector power TC=25°C
dissipation
Ta=25°C
VCBO VCEO VEBO ICP IC
PC
80 80 6 5 3 20 2
Junction tem.
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Power Transistors
2SD2549
Silicon NPN triple diffusion planar type
For power amplification
s Features
q High forward current transfer ratio hFE which has satisfactory linearity
q Low collector to emitter saturation voltage VCE(sat) q Full-pack package which can be installed to the heat sink with
one screw
s Absolute Maximum Ratings (TC=25˚C)
Parameter
Symbol
Ratings
Collector to base voltage
Collector to emitter voltage
Emitter to base voltage
Peak collector current
Collector current
Collector power TC=25°C
dissipation
Ta=25°C
VCBO VCEO VEBO ICP IC
PC
80 80 6 5 3 20 2
Junction temperature Storage temperature
Tj 150 Tstg –55 to +150
Unit V V V A A
W
˚C ˚C
s Electrical Characteristics (TC=25˚C)
Parameter
Symbol
Conditions
Collector cutoff current
Emitter cutoff curren
D2549 Datasheet
