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STMicroelectronics Electronic Components Datasheet

STSA851 Datasheet

Low voltage fast-switching NPN power transistor

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STSA851
Low voltage fast-switching NPN power transistor
Features
Very low collector to emitter saturation voltage
www.DataSheet4U.comHigh 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
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STMicroelectronics Electronic Components Datasheet

STSA851 Datasheet

Low voltage fast-switching NPN power transistor

No Preview Available !

STSA851
Contents
1 Electrical ratings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
2
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Electrical characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
2.1 Electrical characteristics (curves) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
2.2 Test circuit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
3 Package mechanical data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
4 Revision history . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
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Part Number STSA851
Description Low voltage fast-switching NPN power transistor
Maker STMicroelectronics
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