View 2sb817p datasheet:

Ordering number : ENN6572 2SB817P / 2SD1047P 2SB817P : PNP Epitaxial Planar Silicon Transistor 2SD1047P : NPN Triple Diffused Planar Silicon Transistor 2SB817P / 2SD1047P 140V / 12A, AF80W Output Applications Features Package Dimensions • Capable of being mounted easily because of one- unit : mm point fixing type plastic molded package (Inter- 2022A changeable with TO-3). [2SB817P / 2SD1047P] • Wide ASO because of built-in ballast resistance. • Goode dependence of fT on current and good HF 15.6 3.2 4.8 14.0 2.0 characteristic. 1.6 2.0 0.6 1.0 1 2 3 1 : Base 0.6 2 : Collector 3 : Emitter Specifications 5.45 5.45 SANYO : TO-3PB ( ) : 2SB817P Absolute Maximum Ratings at Ta=25°C Parameter Symbol Conditions Ratings Unit Collector-to-Base Voltage VCBO (-)160 V