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2STD1665 Datasheet, PDF (1/12 Pages) STMicroelectronics – Low voltage fast-switching NPN power transistor
2STD1665
Low voltage fast-switching
NPN power transistor
General features
■ Very low collector to emitter saturation
volatage
■ High current gain characteristic fast-switching
speed
■ Through-hole IPAK (TO-251) power package
in tube (suffix”-1”)
■ Surface mounting DPAK (TO-252) power
package in tape & reel (suffix”T4”)
Applications
■ Ccfl drivers
■ 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.
3
2
1
IPAK
TO251
( Suffix “-1” )
3
1
DPAK
TO252
( Suffix “T4” )
Internal schematic diagrams
Order codes
Part Number
2STD1665T4
2STD1665-1
Marking
D1665
D1665
Package
DPAK
IPAK
Packing
Tape & reel
Tube
May 2006
Rev 1
1/12
www.st.com
12