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Ordering number:EN1968ANPN Triple Diffused Planar Silicon Transistor2SC3749500V/3A Switching Regulator ApplicationsFeatures Package Dimensions High breakdown voltage and high reliability.unit:mm Fast switching speed.2041A Wide ASO.[2SC3749] Adoption of MBIT process. Micaless package facilitating mounting.1 : Base2 : Collector3 : EmitterSANYO : TO-220MLSpecificationsAbsolute Maximum Ratings at Ta = 25CParameter Symbol Conditions Ratings UnitCollector-to-Base Voltage VCBO 800 VCollector-to-Emitter Voltage VCEO 500 VEmitter-to-Base Voltage VEBO 7 VCollector Current IC 3 ACollector Current (Pulse) ICP PW 300 s, Duty Cycle 10% 6 ABase Current IB 1 ACollector Dissipation PC Tc=25C 25 WJunction Temperature Tj 150CStorage Temperature Tstg 55 to +150CElectrical Characteristics at Ta = 25CRatings