STSA851_08 Datasheet, PDF (1/11 Pages) STMicroelectronics – Low voltage fast-switching NPN power transistor

STSA851
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 NPN planar
technology by using a "base island" layout. the
resulting transistor shows exceptional high gain
performance coupled with very low saturation
voltage.
TO-92
TO-92AP
Figure 1. Internal schematic diagram
Table 1. Device summary
Order code
Marking
STSA851
STSA851-AP
SA851
SA851
Package
TO-92
TO-92AP
March 2008
Rev 3
Packaging
Bulk
Ammopack
1/11
www.st.com
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