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TIP31A Power transistors General features New enhanced series High switching speed hFE improved linearity Applications 3 2 Linear and switching industrial application 1 TO-220 Description The TIP31A is a base island technology NPN power transistor in TO-220 plastic package with better performances than the industry standard TIP31A that make this device suitable for audio, Internal schematic diagram power linear and switching applications. The PNP type is TIP32A. Order codes Part Number Marking Package Packing TIP31A TIP31A TO-220 Tube April 2006 Rev 1 1/10 www.st.com 10 Contents TIP31A Contents 1 Electrical ratings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 2 Electrical characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4 2.1 Electrical characteristics (curve) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5 3 Package mechanical data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6 4 Revision history . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8 2/10 TIP31A Absolute maximim ratings 1 Absolute maximim ratings Table 1. Absolute maximim ratings Symbol Parameter Value Unit VCBO Collector-base voltage (IE = 0) 60 V VCEO Collector-emitter voltage (IB = 0) 60 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 Total dissipation at Tcase = 25