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2STD1665_08 Datasheet, PDF (1/11 Pages) STMicroelectronics – Low voltage fast-switching NPN power transistor
2STD1665
Low voltage fast-switching NPN power transistor
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” )
Figure 1. Internal schematic diagram
Table 1. Device summary
Order code
Marking
2STD1665T4
2STD1665-1
D1665
D1665
March 2008
Package
DPAK
IPAK
Rev 2
Packing
Tape & reel
Tube
1/11
www.st.com
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