BUL39D
High voltage fast-switching NPN power transistor
Features
■ Integrated antiparallel collector-emitter diode ■ Hi...
BUL39D
High voltage fast-switching
NPN power
transistor
Features
■ Integrated antiparallel collector-emitter diode ■ High voltage capability ■ Low spread of dynamic parameters ■ Minimum lot-to-lot spread for reliable operation ■ Very high switching speed
Application
■ Electronic transformer for halogen lamp
Description
The device is manufactured using high voltage multi-epitaxial planar technology for high switching speeds while maintaining the wide RBSOA. The device is designed for use in electronic transformer for halogen lamp.
TO-220
3 2 1
Figure 1. Internal schematic diagram
Table 1. Device summary
Order code
Marking
BUL39D
BUL39D
Package TO-220
Packaging Tube
October 2008
Rev 5
1/11
www.st.com
11
Contents
Contents
BUL39D
1 Electrical ratings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 2 Electrical characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
2.1 Electrical cha...
