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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
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Contents
STN951
1 Electrical ratings . . .
STN951 Datasheet
