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STN851 Datasheet

Part Number STN851
Manufacturers ST Microelectronics
Logo ST Microelectronics
Description LOW VOLTAGE FAST-SWITCHING NPN POWER TRANSISTOR
Datasheet STN851 DatasheetSTN851 Datasheet (PDF)

STN851 Low voltage fast-switching NPN power transistor Features ■ Very low collector to emitter saturation voltage ■ High 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 Planar Technology with "Base Island" layout. The resulting transistor shows exceptional high gain performance coupled with very low saturation voltage. 4 3 2 1.

  STN851   STN851






Part Number STN851-A
Manufacturers ST Microelectronics
Logo ST Microelectronics
Description low voltage fast-switching NPN power transistor
Datasheet STN851 DatasheetSTN851-A Datasheet (PDF)

STN851-A www.datasheet4u.com Low voltage fast-switching NPN power transistor Features ■ ■ ■ ■ ■ AEC Q101 compliant Very low collector to emitter saturation voltage High current gain characteristic Fast-switching speed Surface-mounting SOT-223 power package in tape and reel 1 2 4 3 SOT-223 Applications ■ High efficiency low voltage switching applications Figure 1. Internal schematic diagram Description The device is manufactured in planar technology with "Base Island" layout. The resultin.

  STN851   STN851







LOW VOLTAGE FAST-SWITCHING NPN POWER TRANSISTOR

STN851 Low voltage fast-switching NPN power transistor Features ■ Very low collector to emitter saturation voltage ■ High 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 Planar Technology with "Base Island" layout. The resulting transistor shows exceptional high gain performance coupled with very low saturation voltage. 4 3 2 1 SOT-223 Figure 1. Internal schematic diagram Table 1. Device summary Order code Marking STN851 N851 March 2009 Package SOT-223 Rev 7 Packaging Tape and reel 1/10 www.st.com 10 Electrical ratings 1 Electrical ratings Table 2. Absolute maximum ratings Symbol Parameter VCBO VCEO VEBO IC ICM IB IBM Ptot Tstg TJ Collector-base voltage (IE = 0) Collector-emitter voltage (IB = 0) Emitter-base voltage (IC = 0) Collector current Collector peak current (tP < 5 ms) Base current Base peak current (tP < 5 ms) Total dissipation at Tamb = 25 °C Storage temperature Max. operating junction temperature Table 3. Thermal data Symbol Parameter Rthj-amb Thermal resistance junction-ambient (1) 1. Device mounted on a p.c.b. area of 1 cm2 STN851 Value 150 60 7 5 10 1 2 1.6 -65 to 150 150 Unit V V V A A A A W °C °C Value 78 Unit °C/W 2/10 STN851 2 Electrical characteristics Electrical characteristics (Tcase = 25 °C unless otherwise specified) Table 4. Electrical characteristics S.


2006-04-29 : STN8811    OV7151    STN8812    UPA80C    STN817    STN851    STN8810    STN8815    OV7661    OV7650   


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