View 2sc5287 datasheet:

2SC5287 Silicon NPN Triple Diffused Planar Transistor (High Voltage Switchihg Transistor) Application : Switching Regulator and General Purpose (Ta=25°C) Absolute maximum ratings Electrical Characteristics (Ta=25°C) External Dimensions MT-100(TO3P) Symbol 2SC5287 Unit Symbol Conditions 2SC5287 Unit ±0.2 4.8 ±0.4 15.6 ±0.1 9.6 2.0 ICBO VCBO 900 V VCB=800V 100max µ A IEBO VEB=7V 100max VCEO 550 V µ A V(BR)CEO IC=10mA 550min VEBO 7 V V a ±0.1 o3.2 hFE VCE=4V, IC=1.8A 10to25 IC 5(Pulse10) A b VCE(sat) IC=1.8A, IB=0.36A 0.5max V IB 2.5 A PC VBE(sat) IC=1.8A, IB=0.36A 1.2max V 2 80(Tc=25°C) W Tj fT VCE=12V, IE=–0.35A 6typ MHz 3 150 °C 1.05+0.2 0.65+0.2 COB VCB=10V, f=1MHz 50typ pF -0.1 -0.1 Tstg –55 to +150 °C ±0.1 ±0.1 5.45 5.45 1.4 Typical Switching Charact