View tip31 32 datasheet:

TIP31A/31C TIP32A/32B/32C ® COMPLEMENTARY SILICON POWER TRANSISTORS APPLICATION LINEAR AND SWITCHING INDUSTRIAL EQUIPMENT DESCRIPTION The TIP31A and TIP31C are silicon Epitaxial-Base NPN transistors mounted in Jedec TO-220 plastic package. They are intented 3 for use in medium power linear and switching 2 1 applications. The complementary PNP types are TIP32A and TO-220 TIP32C respectively. Also TIP32B is a PNP type. INTERNAL SCHEMATIC DIAGRAM ABSOLUTE MAXIMUM RATINGS Symbol Parameter Value Unit NPN TIP31A TIP31C PNP TIP32A TIP32B TIP32C V Collector-Base Voltage (I = 0) 60 80 100 V CBO E VCEO Collector-Emitter Voltage (IB = 0) 60 80 100 V VEBO Emitter-Base Voltage (IC = 0) 5 V IC Collector Current 3 A ICM Collector Peak Current 5 A IB Base Current 1 A P