BULD39D-1

www.DataSheet4U.com BULD39D-1 BULD39DT4 High Voltage Fast-Switching NPN Power Transistor General features ■ ■ ■ ■ ■ ■ NPN transistor High voltage capability Minimum lot-to-lot spread for reliable operation Very high switching speed High ruggedness Surface-mounting DPAK (TO-252) power package in tape & reel (suffix “T4”) Through-hole IPAK (TO-251) power package in tube (suffix “-1”) In compliance with the 2002/93/EC European Directive 1 2 3 1 3 ■ IPAK TO-251 (suffix “-1”) DPAK TO-252 (suffix “T4”) ■ Description The device in manufactured using high voltage Multi-epitaxial Planar technology to enhance switching speeds while maintaining wide RBSOA. The BUL series is designed for use in electronics transformer for halogen lamps. Internal schematic diagram Applications ■ ■ Electronics transformer for halogen lamps Switch mode power supplies Order codes Part Number BULD39D-1 BULD39DT4 Marking Package IPAK DPAK Packing Tube Tape & reel May 2006 Rev 1 1/12 www.st.com 12 BULD39D-1 - BULD39DT4 Contents 1 2 Electrical ratings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 Electrical characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4 2.1 2.2 Electrical characteristics (curves) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5 Test circuits . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7 3 4 Package mechanical data . . . . ...