Sourcible All EOL parts
Discontinued · notice Jul 1, 2025

BSS138L

N-channel logic-level MOSFET, SOT-23

The read
onsemi discontinued this Fairchild-era part effective 2025-2026 with no replacement named. Residual inventory routes through aftermarket channels and open-market lots. This one is a level-shifting workhorse across thousands of designs.
Manufactureronsemi
Lifecycle statusDiscontinued
Notice dateJul 1, 2025
Last-time-buyJan 1, 2026
Last shipJul 1, 2026
CategorySmall-signal MOSFET
How Sourcible handles this part
Remaining lots trade on the open market. Anything we source outside authorized distribution goes through an independent AS6081-accredited laboratory before it ships. You get tested parts and the report to prove it.

BSS138L frequently asked questions

Is BSS138L still available?

BSS138L is no longer in production. onsemi discontinued it in a Jul 1, 2025 notice. The last-time-buy date was Jan 1, 2026. Final factory shipments ended Jul 1, 2026. Remaining lots may still exist outside authorized distribution, and Sourcible LLC locates and verifies that material on request.

Is BSS138L discontinued or end of life?

Yes. BSS138L is discontinued at onsemi, announced in a Jul 1, 2025 notice. The last-time-buy date was Jan 1, 2026. Final factory shipments ended Jul 1, 2026.

What are the alternatives to BSS138L?

Alternatives to BSS138L depend on the application. Sourcible LLC identifies verified substitutes on request rather than publishing a generic cross reference.

Where can I buy BSS138L now that it is obsolete?

BSS138L no longer ships from onsemi production. Sourcible LLC sources remaining inventory of BSS138L for OEM and EMS buyers. Components sourced outside authorized distribution are inspected by an independent AS6081-accredited lab before shipment. Submit a requirement on this page to start.

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