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Alternative part analysis

BSS138N pin to pin replacement, cross reference, and alternative parts

Use this page to compare verified pin-to-pin replacement options for BSS138N, review cross-reference notes, and move faster from part risk to sourcing action.

Find BSS138N vs BSS138N, pin-to-pin alternatives, and mapped cross-reference options here.

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Review source productBrowse Infineon TechnologiesSee Transistors - FETs, MOSFETs - Single category

BSS138N cross reference and pin-to-pin alternatives

Recommended Replacement Options

Start with the best mapped replacement options for BSS138N, including pin-to-pin, functional, and cross-reference alternatives. Review the overview and core specifications, then submit an RFQ when the fit looks right.

Pin-to-pin option

BSS138N

Infineon Technologies

Pin-to-pin P2P drop-in for the obsolete onsemi BSS138L. Infineon BSS138N is the SIPMOS small-signal N-channel MOSFET in PG-SOT-23 (3-pin) with identical SOT-23-3 footprint and pinout (1=Gate, 2=Drain, 3=Source). Same 3.5 Ω RDS(on) at the same gate drive — exact parametric replacement per Ovaga and DigiKey 'Similar' listings. 60 V VDS (vs BSS138L's 50 V) provides 20% extra voltage headroom. 0.23 A ID vs BSS138L's 0.20 A. Recommended primary drop-in for new designs after BSS138L is obsolete.

BSS138N is indexed here as a mapped pin-to-pin replacement for BSS138N with package, lifecycle, stock, MOQ, datasheet, and key attribute context for buyer review.

Manufacturer
Infineon Technologies
Package
SOT-23-3
Series
BSS138
Category
Discrete Semiconductor Products
Stock
250,000
Available
200,000
Min Order
1
Datasheet
Available
Key Attributes: -

Specification view

Parameter Comparison Chart

A side-by-side view of the source part and its mapped alternatives so buyers and engineers can screen package, availability, lifecycle, and key descriptors before RFQ.

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Parameter Comparison Chart
Current part
BSS138N

Infineon Technologies

Alternative
BSS138N

Infineon Technologies

Part NumberBSS138NBSS138N
ManufacturerInfineon TechnologiesInfineon Technologies
CategoryDiscrete Semiconductor ProductsDiscrete Semiconductor Products
SubcategoryTransistors - FETs, MOSFETs - SingleTransistors - FETs, MOSFETs - Single
PackageSOT-23-3SOT-23-3
SeriesBSS138BSS138
Key Attributes--
DescriptionN-channel logic-level enhancement mode MOSFET, 60 V, 0.23 A, SOT-23-3. Pin-to-pin drop-in replacement for onsemi BSS138L.N-channel logic-level enhancement mode MOSFET, 60 V, 0.23 A, SOT-23-3. Pin-to-pin drop-in replacement for onsemi BSS138L.
Lifecycle--
Stock250,000250,000
Available200,000200,000
Min Order11
DatasheetAvailableAvailable
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Cross-reference FAQ

Replacement Part Questions

Short answers for teams reviewing BSS138N replacement and equivalent-part options.

What is a cross-reference page for BSS138N?

This page groups mapped replacement options for BSS138N so buyers and engineers can compare alternatives before requesting a quote or approving a substitute.

Does a mapped alternative mean a guaranteed drop-in replacement for BSS138N?

Not automatically. Cross-reference mapping helps shortlist candidates, but package, electrical behavior, qualification scope, and approval rules still need to be checked before release.

Which parameters should teams compare first for BSS138N alternatives?

Start with package, series, key attributes, lifecycle status, stock position, datasheet access, and the mapped pin-to-pin or cross-reference note. Then confirm application-specific requirements in the datasheet and RFQ stage.

Can I request a quote for an alternative to BSS138N?

Yes. Use the product links or RFQ actions on this page to request pricing, availability, documentation, and sourcing support for any listed alternative part.

Is BSS138N obsolete, and what replacement should buyers review first?

Check the lifecycle row on this page first. If buyers need a fast starting point, the strongest mapped replacement currently surfaced here is BSS138N, followed by the other alternatives shown in the comparison table.