FZT857TA Transistor Datasheet

NPN BJT | DIODES

NPNSOT-223High Power
VCEO
300V
Ic Max
3.5A
Pd Max
3W
Gain
100
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Quick Reference

The FZT857TA is a NPN bipolar transistor in a SOT-223 package, designed for high power applications. It supports a breakdown voltage of 300V and continuous collector current of 3.5A. This component is widely used in NPN switching and linear amplification circuits.

Technical Specifications

ParameterValueDescription
ManufacturerDIODESOriginal Manufacturer
PackageSOT-223Physical mounting form factor
VCEO300VBreakdown voltage
IC Max3.5ACollector current
Pd Max3WPower dissipation
Gain100DC current gain
Frequency80MHzTransition frequency
VCE(sat)155mVSaturation voltage
Vebo7VEmitter-Base voltage
Temp-55℃~+150℃Operating temperature range

Direct Replacements & Alternatives

Part NumberTypePackageVCEOIcPd
PZTA42 NPN SOT-223 300V 200mA 1W
PZTA42T1G NPN SOT-223 300V 500mA 1.5W
BF720T1G NPN SOT-223 300V 100mA 1.5W
PZTA42-QX NPN SOT-223 300V 100mA 1.2W
DZTA42Q-13 NPN SOT-223 300V 500mA 2W
PZTA42 NPN SOT-223 300V 200mA 1W
View all SOT-223 NPN Transistors ›