2stp535fp.pdf datasheet:

2STP535FPNPN power Darlington transistorFeatures Monolithic Darlington transistor with integrated antiparallel collector-emitter diode Very high DC current gainApplications3 Electronic ignition21 AC-DC motor controlTO-220FP Alternator regulatorDescriptionFigure 1. Internal schematic diagramThe 2STP535FP is a planar NPN power transistor in monolithic Darlington configuration mounted in TO-220FP fully isolated package. R typ. = 75 Table 1. Device summaryOrder code Marking Package Packaging2STP535FP 2STP535FP TO-220FP TubeAugust 2009 Doc ID 16132 Rev 1 1/8www.st.com 8Electrical ratings 2STP535FP 1 Electrical ratingsTable 2. Absolute maximum ratingsSymbol Parameter Value UnitVCBOCollector-base voltage (IE = 0) 180 VVCEOCollector-emitter voltage (IB = 0) 180 VVEBOEmitter-base voltage (IC = 0) 5 VICCo