BU508AF_0708 Datasheet, PDF (1/11 Pages) STMicroelectronics – High voltage NPN power transistor for standard definition CRT display

BU508AF
High voltage NPN power transistor for standard
definition CRT display
Features
■ State-of-the-art technology:
– Diffused collector “Enhanced generation”
■ Stable performances versus operating
temperature variation
■ Low base-drive requirement
■ Tight h_FE range at operating collector current
■ High ruggedness
■ Fully insulated power package U.L. compliant
Applications
■ Horizontal deflection output for CRT TV
■ Switch mode power supplies for CRT TV
Description
The BU508AF is manufactured using diffused
collector in planar technology adopting new and
enhanced high voltage structure for updated
performance to the horizontal deflection stage.
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2
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ISOWATT218FX
Figure 1. Internal schematic diagram
Table 1. Device summary
Order code
Marking
BU508AF
BU508AF
Package
ISOWATT218FX
Packaging
Tube
August 2007
Rev 2
1/11
www.st.com
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