SMMBTA42LT1G Transistor Datasheet & Specifications

NPN BJT | onsemi

NPNSOT-23General Purpose
VCEO
300V
Ic Max
500mA
Pd Max
225mW
Gain
25
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Quick Reference

The SMMBTA42LT1G is a NPN bipolar transistor in a SOT-23 package. This datasheet provides complete specifications including 300V breakdown voltage and 500mA continuous collector current. Download the SMMBTA42LT1G datasheet PDF below for detailed pinout diagrams and application circuits.

Technical Specifications

ParameterValueDescription
ManufactureronsemiOriginal Manufacturer
PackageSOT-23Physical mounting
VCEO300VBreakdown voltage
IC Max500mACollector current
Pd Max225mWPower dissipation
Gain25DC current gain
Frequency50MHzTransition speed
VCEsat500mVSaturation voltage
Vebo6VEmitter-Base voltage
Temp-55℃~+150℃Operating temp

Direct Replacements & Alternatives

PartTypePackageVCEOIcPd
DN350T05-7NPNSOT-23350V500mA300mW
MMBTA42Q-7-FNPNSOT-23300V500mA300mW
MMBTA42NPNSOT-23300V300mA350mW
SMMBTA42LT3GNPNSOT-23300V500mA225mW
MMBTA42-7-FNPNSOT-23300V500mA300mW
MMBTA42NPNSOT-23300V300mA350mW
S-MMBTA42LT1GNPNSOT-23300V500mA350mW
MMBTA42NPNSOT-23300V300mA350mW
View all SOT-23 NPN Transistors ›