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STN951_08 Datasheet, PDF (1/8 Pages) STMicroelectronics – Low voltage fast-switching PNP power transistor
STN951
Low voltage fast-switching PNP power transistor
Features
■ Very low collector-emitter saturation voltage
■ High current gain characteristic
■ Fast switching speed
■ Surface mounting device in medium power
SOT-223 package
Applications
■ Emergency lighting
■ Voltage regulators
■ Relay drivers
■ High efficiency low voltage switching
applications
Description
The device is manufactured in PNP planar
technology by using a “Base Island” layout. The
resulting transistor shows exceptional high gain
performances coupled with very low saturation
voltage.
4
3
2
1
SOT-223
Figure 1. Internal schematic diagram
Table 1. Device summary
Order codes
Marking
STN951
N951
October 2008
Package
SOT-223
Rev 3
Packaging
Tape and reel
1/8
www.st.com
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