STN951
Low voltage fast-switching PNP power transistor
Preliminary Data
General features
■ Very low collector-emitter saturation voltage
■ High current gain characteristic
■ Fast switching speed
2
■ Surface mounting device in medium power
3
SOT-223 package
2
1
■ In compliance with the 2002/93/EC European
Directive
SOT-223
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.
Internal schematic diagram
Applications
■ Emergency lighting
■ Voltage regulators
■ Relay drivers
■ High efficiency low voltage switching
applications
Order codes
Part Number
Marking
Package
SOT-223
Packing
STN951
N951
Tape & reel
November 2006
Rev 2
1/8
This is preliminary information on a new product now in development or undergoing evaluation. Details are subject to
change without notice.
www.st.com
8
STMICROELECTRONICS [ ST ]
