STN851_09 Datasheet, PDF (1/10 Pages) STMicroelectronics – Low voltage fast-switching NPN power transistor

STN851
Low voltage fast-switching NPN power transistor
Features
■ Very low collector to emitter saturation voltage
■ High current gain characteristic
■ Fast-switching speed
Applications
■ Emergency lighting
■ Voltage regulators
■ Relay drivers
■ High efficiency low voltage switching
applications
Description
The device is manufactured in Planar Technology
with "Base Island" layout.
The resulting transistor shows exceptional high
gain performance coupled with very low
saturation voltage.
4
3
2
1
SOT-223
Figure 1. Internal schematic diagram
Table 1. Device summary
Order code
Marking
STN851
N851
March 2009
Package
SOT-223
Rev 7
Packaging
Tape and reel
1/10
www.st.com
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