View 2sa1249 datasheet:

Ordering number:ENN1060C PNP/NPN Epitaxial Planar Silicon Transistors 2SA1249/2SC3117 160V/1.5A Switching Applications Uses Package Dimensions · Color TV sound output, converters, inverters. unit:mm 2009B Features [2SA1249/2SC3117] 8.0 · High breakdown voltage. 2.7 4.0 · Large current capacity. · Adoption of MBIT process. 3.0 1.6 0.8 0.8 0.6 0.5 1 : Emitter 1 2 3 2 : Collector ( ) : 2SA1249 3 : Base 2.4 4.8 SANYO : TO-126 Specifications Absolute Maximum Ratings at Ta = 25?C Parameter Symbol Conditions Ratings Unit Collector-to-Base Voltage VCBO (–)180 V Collector-to-Emitter Voltage VCEO (–)160 V Emitter-to-Base Voltage VEBO (–)6 V Collector Current IC (–)1.5 A Collector Current (Pulse) ICP (–)2.5 A 1 W Collector Dissipation PC Tc=25?C 10 W Junctio