STN851 Datasheet & Equivalents

NPN SOT-223 General Purpose ST
VCEO
60V
Ic Max
5A
Pd Max
1.6W
hFE Gain
90
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Quick Reference

The STN851 is a NPN bipolar junction transistor in a SOT-223 package, manufactured by ST. It supports a breakdown voltage of 60V and continuous collector current of 5A. It is widely used in switching and amplification circuits.

Technical Specifications

ParameterValueDescription
ManufacturerSTOriginal Manufacturer
PackageSOT-223Physical mounting
Transistor TypeBJTBipolar Junction Transistor
CategorySingleConfiguration
Collector-Emitter Voltage (VCEO)60VMax breakdown voltage
Collector Current (Ic)5AMax current handling
Power Dissipation (Pd)1.6WMax thermal limit
DC Current Gain (hFE)90Base signal amplification ratio
Transition Frequency (fT)130MHzMax operating frequency
Saturation Voltage (VCEsat)320mVVoltage drop when fully ON
Emitter-Base Voltage (Vebo)7VMax emitter-base breakdown
Collector Cutoff Current1uALeakage current when OFF
Operating Temp-65℃~+150℃Safe junction temperature range

Equivalent Transistors & Alternatives

PartTypePackageVCEOIChFEPdManufacturer / Datasheet
PBSS304NZ NPN SOT-223 60V 5.2A - 700mW
TECH PUBLIC
TPBT60N5Y3 NPN SOT-223 60V 5.2A - 700mW
TECH PUBLIC 📄 PDF
LBTN560Z4TZHG NPN SOT-223 60V 5.2A 300 1W
LRC 📄 PDF
FZT851TA NPN SOT-223 60V 6A 100 3W
DIODES 📄 PDF
ZXTN2010GTA NPN SOT-223 60V 6A 100 3W
DIODES 📄 PDF
ZX5T851GTA NPN SOT-223 60V 6A 40 1.6W
DIODES 📄 PDF
NSS60601MZ4T1G NPN SOT-223 60V 6A 150 2W
onsemi 📄 PDF
ZXTN19060CGTA NPN SOT-223 60V 7A 160 3W
DIODES 📄 PDF
CZT122 NPN SOT-223 100V 5A 1000 1W
R+O 📄 PDF
PBSS306NZ NPN SOT-223 100V 5.1A 200 1.7W
Nexperia 📄 PDF
135 NPN SOT-223 100V 5.5A 130 3W
DIODES 📄 PDF
ZXTN19100CGTA NPN SOT-223 100V 6A 100 3W
DIODES 📄 PDF
FZT853TA NPN SOT-223 100V 6A 30 3W
DIODES 📄 PDF
ZX5T853GTA NPN SOT-223 150V 5A 10 3W
DIODES 📄 PDF
NPN Bipolar Transistors High-Power NPN BJTs High-Frequency NPN BJTs SOT-223 NPN BJTs