2SD1274A Datasheet



Features, Applications

Parameter Collector to base voltage 2SD1274A 2SD1274B VCEO VEBO PC Tj Tstg VCES VCBO Symbol

High collector to base voltage VCBO High-speed switching Full-pack package which can be installed to the heat sink with one screw

Collector to emitter voltage Emitter to base voltage Collector current Collector power TC=25�C dissipation Ta=25�C Junction temperature Storage temperature

Symbol Conditions VCB = 0 ICBO VCEO(sus)* VEBO hFE VBE VCE(sat) fT tf VCB = 0 VCB = 0 VCE = 5A VCE = 1A VCE = 0.8A, VEB = �5V

Collector to emitter voltage Emitter to base voltage Forward current transfer ratio Base to emitter voltage Collector to emitter saturation voltage Transition frequency Fall time

6 (1) TC=Ta (2) With 2mm Al heat sink (3) With 2mm Al heat sink (4) Without heat sink (PC=2W)

f=15.75kHz, TC=25�C Area of safe operation for the single pulse load curve due to discharge in the high-voltage rectifier tube during horizontal operation

(1) Without heat sink (2) With 2mm Al heat sink



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