View 2sd1046 datasheet:

Ordering number:677D PNP/NPN Epitaxial Planar Silicon Transistors 2SB816/2SD1046 For LF Power Amplifier, 50W Output Large Power Switching 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). [2SB816/2SD1046] · Wide ASO because of built-in ballast resistance. · Goode dependence of fT on current and good HF characteristic. 1 : Base 2 : Collector 3 : Emitter ( ) : 2SB816 SANYO : TO-3PB Specifications Absolute Maximum Ratings at Ta = 25?C Parameter Symbol Conditions Ratings Unit Collector-to-Base Voltage VCBO (–)150 V Collector-to-Emitter Voltage VCEO (–)120 V Emitter-to-Base Voltage VEBO (–)6 V Collector Current IC (–)8 A Collector Current (