BUL98

BUL98 High voltage fast-switching NPN power transistor General features ■ ■ ■ ■ ■ ■ High voltage capability Minimum lot-to-lot spread for reliable operation Low base drive requirements Very high switching speed Fully characterized at 125 °C In compliance with the 2002/93/EC European Directive 1 2 3 TO-220 Applications ■ ■ Electronic transformers for halogen lamps Switch mode power supply Internal schematic diagram Description www.DataSheet4U.com The device is manufactured using high voltage Multi-Epitaxial Planar technology for costeffective high performance. It uses a Hollow Emitter structure to enhance switching speeds. The device is designed for use in lighting applications and low cost switch-mode power supplies. Order code Part Number BUL98 Marking BUL98 Package TO-220 Packing Tube November 2006 Rev 2 1/10 www.st.com 10 BUL98 Contents 1 2 Electrical ratings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 Electrical characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4 2.1 2.2 Electrical characteristics (curves) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5 Test circuits . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6 3 4 Package mechanical data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7 Revision history . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ...