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2STF1550_08 Datasheet, PDF (1/8 Pages) STMicroelectronics – Low voltage high performance NPN power transistors
2STF1550
2STN1550
Low voltage high performance NPN power transistors
Preliminary Data
Features
■ Very low collector-emitter saturation voltage
■ High current gain characteristic
■ Fast switching speed
■ Surface mounting devices in medium power
SOT-89 and SOT-223 packages
Applications
■ Emergency lighting
■ LED
■ Motherboard and hard disk drive
■ Mobile equipment
■ Battery charger
■ Voltage regulation
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2
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SOT-89
SOT-223
Figure 1. Internal schematic diagram
Description
The 2STF1550 and 2STN1550 are NPN
transistors manufactured using new “PB-HCD”
(Power bipolar high current density) technology.
The resulting transistor shows exceptional high
gain performances coupled with very low
saturation voltage.
Table 1. Device summary
Order codes
2STF1550
2STN1550
Marking
1550
N1550
Package
SOT-89
SOT-223
Packaging
Tape and reel
November 2008
Rev 2
This is preliminary information on a new product now in development or undergoing evaluation. Details are subject to
change without notice.
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