BUL59
High voltage fast-switching NPN power transistor
Features
■ High voltage capability ■ Very high switching speed ■...
BUL59
High
voltage fast-switching NPN power transistor
Features
■ High
voltage capability ■ Very high switching speed ■ High ruggedness
Applications
■ Electronic transformers for halogen lamps ■ Switch mode power supplies
Description
The BUL59 is manufactured using planar technology with epitaxial collector adopting new and enhanced high
voltage structure.
TAB
3 2 1
TO-220
Figure 1. Internal schematic diagram
Table 1. Device summary
Order code
Marking
BUL59
BUL59
Package TO-220
February 2010
Doc ID 5662 Rev 7
Packaging Tube
1/7
www.st.com
7
Electrical ratings
1 Electrical ratings
Table 2. Absolute maximum ratings
Symbol
Parameter
VCES VCEO VEBO
IC ICM IB IBM PTOT TSTG TJ
Collector-emitter
voltage (VBE = 0) Collector-emitter
voltage (IB = 0) Emitter-base
voltage (IC = 0) Collector current Collector peak current (tP < 5 ms) Base current Base peak current (tP < 5 ms) Total dissipation at Tc = 25 °C Storage temperature Max. operating junction temperature
Tabl...