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2STN2540-A Datasheet, PDF (1/9 Pages) STMicroelectronics – Low voltage fast-switching PNP power bipolar transistor | |||
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2STN2540-A
Low voltage fast-switching PNP power bipolar transistor
Features
â The device is qualified for automotive
application
â Very low collector-emitter saturation voltage
â High current gain characteristic
â Fast switching speed
â Surface mounting device in medium power
SOT-223 package
Applications
â Emergency lighting
â LED
â CCFL drivers (back lighting)
â Voltage regulation
â Relay driver
Description
The device in a PNP transistor manufactured
using new âPB-HCDâ (Power Bipolar High Current
Density) technology. The resulting transistor
shows exceptional high gain performances
coupled with very low saturation voltage.
4
3
2
1
SOT-223
Figure 1. Internal schematic diagram
Table 1. Device summary
Order code
Marking
2STN2540-A
N2540
January 2008
Package
SOT-223
Rev 2
Packaging
Tape & reel
1/9
www.st.com
9
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