2sc4298.pdf datasheet:

2SC4298Silicon NPN Triple Diffused Planar Transistor (High Voltage and High Speed Switchihg Transistor)Application : Switching Regulator and General PurposeExternal Dimensions FM100(TO3PF) Absolute maximum ratings (Ta=25C) Electrical Characteristics (Ta=25C)2SC4298Symbol 2SC4298 Symbol Conditions UnitUnit0.20.2 5.515.60.23.45100maxVCBO 500 ICBO VCB=500V AV100maxVCEO 400 IEBO VEB=10V AV400minVEBO 10 V(BR)CEO IC=25mA VV0.23.310to30IC 15(Pulse30) hFE VCE=4V, IC=8AAab0.5max VIB 5 VCE(sat) IC=8A, IB=1.6A A1.3maxPC 80(Tc=25C) VBE(sat) IC=8A, IB=1.6A VW1.7510typ 0.8Tj fT VCE=12V, IE=1.5A MHz150C2.15Tstg 55 to +150 VCB=10V, f=1MHz pFCOB 85typC1.05+0.2-0.10.1 0.1 0.65+0.2 3.355.45 5.45 -0.1 Typical Switching Characteristics (Common Emitter)1.5 4.4 1.5VCC RL IC