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Ordering number:1797BPNP/NPN Epitaxial Planar Silicon Transistors2SB921L/2SD1237L80V/7A Switching ApplicationsApplications Package Dimensions Suitable for relay drivers, high-speed inverters,unit:mmconverters, and other genral large current switching2010Capplications.[2SB921L/2SD1237L]Features Low collector-to-emitter saturation voltage : VCE(sat)=0.5V (PNP), 0.4V (NPN) max. Large current capacity.JEDEC : TO-220AB 1 : Base( ) : 2SB921LEIAJ : SC-46 2 : Collector3 : EmitterSpecificationsAbsolute Maximum Ratings at Ta = 25CParameter Symbol Conditions Ratings UnitCollector-to-Base Voltage VCBO ()90 VCollector-to-Emitter Voltage VCEO ()80 VEmitter-to-Base Voltage VEBO ()6 VCollector Current IC ()7 ACollector Current (Pulse) ICP ()12 ACollector Dissipation PC 1.75 WTc=25C 40 WCJunction Temperature T