2STN1550 Datasheet & Equivalents

NPN SOT-223 General Purpose ST
VCEO
50V
Ic Max
5A
Pd Max
1.6W
hFE Gain
95
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Quick Reference

The 2STN1550 is a NPN bipolar junction transistor in a SOT-223 package, manufactured by ST. It supports a breakdown voltage of 50V 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)50VMax breakdown voltage
Collector Current (Ic)5AMax current handling
Power Dissipation (Pd)1.6WMax thermal limit
DC Current Gain (hFE)95Base signal amplification ratio
Transition Frequency (fT)-Max operating frequency
Saturation Voltage (VCEsat)450mVVoltage drop when fully ON
Emitter-Base Voltage (Vebo)5VMax emitter-base breakdown
Collector Cutoff Current100nALeakage current when OFF
Operating Temp-65℃~+150℃Safe junction temperature range

Equivalent Transistors & Alternatives

PartTypePackageVCEOIChFEPdManufacturer / Datasheet
STN851 NPN SOT-223 60V 5A 90 1.6W
ST 📄 PDF
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
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ZXTN2010GTA NPN SOT-223 60V 6A 100 3W
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NSS60601MZ4T1G NPN SOT-223 60V 6A 150 2W
onsemi 📄 PDF
ZX5T851GTA NPN SOT-223 60V 6A 40 1.6W
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ZXTN19060CGTA NPN SOT-223 60V 7A 160 3W
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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
NPN Bipolar Transistors High-Power NPN BJTs SOT-223 NPN BJTs