BSS138W Datasheet PDF – 50V, 210mA, N-Channel MOSFET

Part Number: BSS138W, Marking : 138

Function: 50V, 0.21A, N-Channel MOSFET

Package: SOT-323 Type

Manufacturer: ON Semiconducotor, Fairchild Semiconductor

Image and Pinouts:

BSS138W datasheet




This is 50V, 210mA, N-Channel Logic Level Enhancement Mode Field Effect Transistor.

These products have been designed to minimize on-state resistance while provide rugged, reliable, and fast switching performance. These products are particularly suited for low voltage, low current applications such as small servo motor control, power MOSFET gate drivers, and other switching applications.



1. Rds(on)= 3.5Ω @ Vgs= 10V, Id= 0.22A

2. Rds(on)= 6.0Ω @ Vgs= 4.5V, Id= 0.22A

3. High density cell design for extremely low Rds(on)

4. Rugged and Reliable

5. Compact industry standard SOT-323 surface mount package


Absolute maximum ratings ( Ta=25°C )

BSS138W Field Effect Transistor


Absolute Maximum Ratings (Ta = 25°C)

1. Drain to source voltage: VDSS = 50 V

2. Gate to source voltage: VGSS = ± 20 V

3. Drain current: ID = 0.21 A

4. Channel temperature: Tch = 150 °C

5. Storage temperature: Tstg = -55 to +150 °C


This product is general usage and suitable for many different applications.

BSS138W Datasheet PDF Download

BSS138W pdf

Other data sheets are available within the file: BSS138