PZTA42T1G Datasheet & Equivalents

NPN SOT-223 General Purpose onsemi
VCEO
300V
Ic Max
500mA
Pd Max
1.5W
hFE Gain
40

Quick Reference

The PZTA42T1G is a NPN bipolar junction transistor in a SOT-223 package, manufactured by onsemi. It supports a breakdown voltage of 300V and continuous collector current of 500mA. It is widely used in switching and amplification circuits.

Technical Specifications

ParameterValueDescription
ManufactureronsemiOriginal Manufacturer
PackageSOT-223Physical mounting
Transistor TypeBJTBipolar Junction Transistor
CategorySingleConfiguration
Collector-Emitter Voltage (VCEO)300VMax breakdown voltage
Collector Current (Ic)500mAMax current handling
Power Dissipation (Pd)1.5WMax thermal limit
DC Current Gain (hFE)40Base signal amplification ratio
Transition Frequency (fT)50MHzMax operating frequency
Saturation Voltage (VCEsat)500mVVoltage drop when fully ON
Emitter-Base Voltage (Vebo)6VMax emitter-base breakdown
Collector Cutoff Current100nALeakage current when OFF
Operating Temp-65โ„ƒ~+150โ„ƒSafe junction temperature range

Equivalent Transistors & Alternatives

PartTypePackageVCEOIChFEPdManufacturer / Datasheet
DZTA42Q-13 NPN SOT-223 300V 500mA 40 2W
PZTA42 NPN SOT-223 300V 500mA 40 2W
FZT657QTA NPN SOT-223 300V 500mA 50 3W
STN2580 NPN SOT-223 400V 1A 60 1.6W