PN2222ATA Datasheet & Equivalents

NPN TO-92 General Purpose onsemi
VCEO
40V
Ic Max
1A
Pd Max
625mW
hFE Gain
35
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Quick Reference

The PN2222ATA is a NPN bipolar junction transistor in a TO-92 package, manufactured by onsemi. It supports a breakdown voltage of 40V and continuous collector current of 1A. It is widely used in switching and amplification circuits.

Technical Specifications

ParameterValueDescription
ManufactureronsemiOriginal Manufacturer
PackageTO-92Physical mounting
Transistor TypeBJTBipolar Junction Transistor
CategorySingleConfiguration
Collector-Emitter Voltage (VCEO)40VMax breakdown voltage
Collector Current (Ic)1AMax current handling
Power Dissipation (Pd)625mWMax thermal limit
DC Current Gain (hFE)35Base signal amplification ratio
Transition Frequency (fT)300MHzMax operating frequency
Saturation Voltage (VCEsat)-Voltage drop when fully ON
Emitter-Base Voltage (Vebo)-Max emitter-base breakdown
Collector Cutoff Current-Leakage current when OFF
Operating Temp-55℃~+150℃Safe junction temperature range

Equivalent Transistors & Alternatives

PartTypePackageVCEOIChFEPdManufacturer / Datasheet
PN2222ABU NPN TO-92 40V 1A 35 625mW
onsemi 📄 PDF
PN2222ATF NPN TO-92 40V 1A 35 625mW
onsemi 📄 PDF
PN2222ATFR NPN TO-92 40V 1A 35 625mW
onsemi 📄 PDF
ZTX450 NPN TO-92 45V 1A 100 1W
DIODES 📄 PDF
ZTX451 NPN TO-92 60V 1A 50 1W
DIODES 📄 PDF
KSD1616A NPN TO-92 60V 1A 135 750mW
BLUE ROCKET 📄 PDF
2SD1616A(RANGE:200-400) NPN TO-92 60V 1A 200 750mW
JSCJ 📄 PDF
2SD1616AG-G-T92-K NPN TO-92 60V 1A 200 750mW
UTC 📄 PDF
2SD1616A NPN TO-92 60V 1A 600 750mW
LGE 📄 PDF
ZTX692B NPN TO-92 70V 1A 400 1.5W
DIODES 📄 PDF
BC639(RANGE:100-250) NPN TO-92 80V 1A 100 830mW
JSCJ 📄 PDF
BC63916-D74Z NPN TO-92 80V 1A 100 830mW
onsemi 📄 PDF
2SD667A-C NPN TO-92 100V 1A 100 900mW
BLUE ROCKET 📄 PDF
NPN Bipolar Transistors High-Frequency NPN BJTs TO-92 NPN BJTs