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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 3
2
1
Application TO-220
Electronic transformer for halogen lamp
Description
The device is manufactured using high voltage Figure 1. Internal schematic diagram
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.
Table 1. Device summary
Order code Marking Package Packaging
BUL39D BUL39D TO-220 Tube
October 2008 Rev 5 1/11
www.st.com 11
Contents BUL39D
Contents
1 Electrical ratings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
2 Electrical characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
2.1 Electrical characteristics (curves) ............................. 5
3 Test circuit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
4 Package mechanical data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
5 Revision history . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
2/11
BUL39D Electrical ratings
1 Electrical ratings
Table 2. Absolute maximum rating
Symbol Parameter Value Unit
VCES Collector-emitter voltage (VBE = 0) 850 V
VCEO Collector-emitter voltage (IB = 0) 450 V
VEBO Emitter-base voltage (IC= 0) 9 V
IC Collector current 4 A
ICM Collector peak current (tP < 5 ms) 8 A
IB Base current 2 A
IBM Base peak current (tP < 5 ms) 4 A
Ptot Total dissipation at Tc = 25 ◦ Jabse Service Manual Search 2024 ◦ Jabse Pravopis ◦ onTap.bg ◦ Other service manual resources online : Fixya ◦ eServiceinfo