BSS123 MOSFET Datasheet & Specifications (R+O, SOT-23)

N-Channel SOT-23 Logic-Level R+O
Vds Max
100V
Id Max
170mA
Rds(on)
6Ω@10V;10Ω@4.5V
Vgs(th)
1.4V

Quick Reference

The BSS123 is an N-Channel MOSFET in a SOT-23 package, manufactured by R+O. It supports a drain-source breakdown voltage of 100V and a continuous drain current of 170mA. It is widely used in switching and power applications.

Technical Specifications

ParameterValueDescription
ManufacturerR+OOriginal Manufacturer
PackageSOT-23Physical mounting
Transistor TypeMOSFETMetal-Oxide-Semiconductor FET
CategorySingleConfiguration
Drain-Source Voltage (Vds)100VMax breakdown voltage
Continuous Drain Current (Id)170mAMax current handling
Power Dissipation (Pd)680mWMax thermal limit
On-Resistance (Rds(on))6Ω@10V;10Ω@4.5VResistance when turned fully on
Gate Threshold (Vgs(th))1.4VVoltage required to turn on
Gate Charge (Qg)1.4nC@10VSwitching energy
Input Capacitance (Ciss)22pFInternal gate capacitance
Output Capacitance (Coss)3.5pFInternal output capacitance
Operating Temp-55℃~+150℃Safe junction temperature range

Equivalent MOSFETs & Alternatives

PartTypePackageVdsIdRds(on)Vgs(th)Manufacturer / Datasheet
5N10-MS N-Channel SOT-23 100V 5A 90mΩ@10V 1.5V
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