FMMT458QTA Transistor Datasheet

NPN BJT | DIODES

NPNSOT-23General Purpose
VCEO
400V
Ic Max
225mA
Pd Max
500mW
Gain
100
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Quick Reference

The FMMT458QTA is a NPN bipolar transistor in a SOT-23 package, designed for general purpose applications. It supports a breakdown voltage of 400V and continuous collector current of 225mA. This component is widely used in NPN switching and linear amplification circuits.

Technical Specifications

ParameterValueDescription
ManufacturerDIODESOriginal Manufacturer
PackageSOT-23Physical mounting form factor
VCEO400VBreakdown voltage
IC Max225mACollector current
Pd Max500mWPower dissipation
Gain100DC current gain
Frequency-Transition frequency
VCE(sat)-Saturation voltage
Vebo50MHzEmitter-Base voltage
Temp-55℃~+150℃Operating temperature range

Direct Replacements & Alternatives

Part NumberTypePackageVCEOIcPd
DN350T05-7 NPN SOT-23 350V 500mA 300mW
FMMT458TA NPN SOT-23 400V 225mA 500mW
MMBTA42Q-7-F NPN SOT-23 300V 500mA 300mW
MMBTA42 NPN SOT-23 200V 500mA 350mW
SMMBTA42LT1G NPN SOT-23 300V 500mA 225mW
SMMBTA42LT3G NPN SOT-23 300V 500mA 225mW
MMBTA42-7-F NPN SOT-23 300V 500mA 300mW
MMBTA42 NPN SOT-23 200V 500mA 350mW
View all SOT-23 NPN Transistors ›