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STX817A PNP Medium power transistor General features TO-92 package suitable for through-hole PCB assembly In compliance with the 2002/93/EC European Directive Applications Voltage regulation TO-92 Relay driver Generic switch Description The STX817A is a PNP transistor manufactured Internal schematic diagram using Planar Technology resulting in rugged high performance devices. Order codes Part Number Marking Package Packing STX817A X817A TO-92 Bulk STX817A-AP X817A TO-92 AP Ammopack January 2007 Rev 2 1/9 www.st.com 9 STX817A Contents 1 Electrical ratings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 2 Electrical characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4 3 Package mechanical data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5 4 Revision history . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8 2/9 STX817A Electrical ratings 1 Electrical ratings Table 1. Absolute maximum rating Symbol Parameter Value Unit VCBO Collector-base voltage (IE = 0) -80 V VCEO Collector-emitter voltage (IB = 0) -80 V VEBO Emitter-base voltage (IC = 0) -5 V IC Collector current -1.5 A ICM Collector peak current (tP < 5ms) -2 A IB Base current -0.3 A IBM Base peak current (tP < 5ms) -0.6 A Ptot Total dissipation at T amb = 25