BU508AW_0708 Datasheet, PDF (1/11 Pages) STMicroelectronics – High voltage NPN power transistor for standard definition CRT display

BU508AW
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
■ TO-247 semi-insulated power package
Applications
■ Horizontal deflection output for CRT TV
■ Switch mode power supplies for CRT TV
Description
The BU508AW is manufactured using diffused
collector in planar technology adopting new and
enhanced high voltage structure for updated
performance to the horizontal deflection stage.
3
2
1
TO-247
Figure 1. Internal schematic diagram
Table 1. Device summary
Order code
Marking
BU508AW
BU508AW
Package
TO-247
Packaging
Tube
August 2007
Rev 2
1/11
www.st.com
11