2sc4293.pdf datasheet:

Ordering number:EN2963NPN Triple Diffused Planar Silicon Transistor2SC4293Ultrahigh-Definition Color DisplayHorizontal Deflection Output ApplicationsFeatures Package Dimensions High speed (tf=300ns max).unit:mm High breakdown voltage (VCBO=1500V).2039D High reliability (adoption of HVP process).[2SC4293] Adoption of MBIT process.16.05.63.4 On-chip damper diode. 3.12.82.0 2.01.00.61 : Base1 2 32 : Collector3 : Emitter5.45 5.45SANYO : TO-3PMLSpecificationsAbsolute Maximum Ratings at Ta = 25CParameter Symbol Conditions Ratings UnitCollector-to-Base Voltage VCBO 1500 VCollector-to-Emitter Voltage VCEO 800 VEmitter-to-Base Voltage VEBO 7 VCollector Current IC 5 ACollector Current (Pulse) ICP 16 ACollector Dissipation PC 3.0 WTc=25C 50 WJunction Temperature Tj 150 CStorage Temperature Tstg 55