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Part No BSS138W
Manufacturer Fairchild/ON Semiconductor
Catalog FETs - Single
Description MOSFET N-CH 50V 0.21A SOT323 / Trans MOSFET N-CH 50V 0.21A 3-Pin SC-70 T/R

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Pricing & Ordering $0.2121 Historical reference price : is the price that a customer announces that it is willing to pay for this component in the previous period, only for reference.
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Availability: 113,000 pieces
MOQ: 180 pcs
Order Increment : 1 pcs
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Products specifications

Manufacturer Fairchild Semiconductor
Standard Package 1
Category Discrete Semiconductor Products
Family FETs - Single
Packaging Reel
FET Type MOSFET N-Channel Metal Oxide
FET Feature Standard
Drain to Source Voltage (Vdss) 50V
Current - Continuous Drain (Id) @ 25°C 210mA (Ta)
Rds On (Max) @ Id Vgs 3.5 Ohm @ 220mA 10V
Vgs(th) (Max) @ Id 1.5V @ 1mA
Gate Charge (Qg) @ Vgs 1.1nC @ 10V
Input Capacitance (Ciss) @ Vds 38pF @ 25V
Power - Max 340mW
Operating Temperature Range -55°C ~ 150°C (TJ)
Mounting Style SMD/SMT
Package SC-70 SOT-323
Manufacturer Device Package SOT-323
Catalog N-Channel Standard FETs
Win Source Part Number 049755-BSS138W
Popularity Medium
Fake Threat In the Open Market 71 pct.
Supply and Demand Status Balance
Application Field Used in Power Management
Family Name BSS138W
Introduction Date December 14, 2010
Country of Origin China, Republic of Korea
Halogen Free Compliant
Estimated EOL Date 2029
Alternative Parts
DMN5L06WK-7;   5LN02M;  RUU002N05T106; DMN5L06W; DMN5L06W-7; BSS138W-TP; BSS138W-F; 


The BSS138W is a N-Channel Metal Oxide MOSFET that comes in a SOT-323 package. It features a drain to source voltage of 50V and a continuous drain current of 210mA. The gate charge is 1.1nC at 10V and the input capacitance is 38pF at 25V, making it a standard FET. The BSS138W is designed for use in power management applications and is compliant with halogen-free requirements. It is manufactured by Fairchild Semiconductor and is part of the N-Channel Standard FETs family. The BSS138W has a maximum power of 340mW and a Rds On of 3.5 Ohm at 220mA 10V. It is a popular component with a medium level of fake threat in the open market and a supply and demand status that is balanced. The estimated EOL date is 2029.

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