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Alternative part analysis

BSS138-7-F replacements, alternatives, and cross reference

Compare mapped replacement and alternative options for BSS138-7-F, then verify package, specifications, and application fit before approval.

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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
BSS138-7-F

Diodes Incorporated

Part NumberBSS138-7-F
ManufacturerDiodes Incorporated
CategoryDiscrete Semiconductor Products
SubcategoryTransistors - FETs, MOSFETs - Single
PackageSOT23
Series-
Key Attributes-
DescriptionMOSFET N-CH 50V 200MA SOT23-3
Lifecycle-
Stock13,440
Available16,061
Min Order1
DatasheetAvailable
JESD-609 Codee3
Moisture Sensitivity Level (MSL)1 (Unlimited)
RoHS StatusROHS3 Compliant
REACH SVHCNo SVHC
HTSUS8541.21.0095
ECCN CodeEAR99
Part StatusActive
REACH StatusREACH Unaffected
ECCNEAR99
Lead FreeLead Free
Mounting TypeSurface Mount
Factory Lead Time16 Weeks
Published2003
PackagingTape & Reel (TR)
Terminal PositionDUAL
Peak Reflow Temperature (Cel)260
Terminal FormGULL WING
Qualification StatusNot Qualified
Element ConfigurationSingle
Operating ModeENHANCEMENT MODE
TechnologyMOSFET (Metal Oxide)
FET TypeN-Channel
Sub-CategoriesTransistors - FETs, MOSFETs - Single
Vgs (Max)±20V
CategoriesDiscrete Semiconductor Products
Transistor ApplicationSWITCHING
Transistor Element MaterialSILICON
Operating Temperature-55°C~150°C TJ
ManufacturerDiodes Incorporated
Package / CaseTO-236-3, SC-59, SOT-23-3
Weight7.994566mg
SubcategoryFET General Purpose Powers
Vgs(th) (Max) @ Id1.5V @ 250μA
Nominal Vgs1.2 V
Contact PlatingTin
Reflow Temperature-Max (s)40
MountSurface Mount
Pbfree Codeyes
Number of Pins3
Pin Count3
Length2.9mm
Gate to Source Voltage (Vgs)20V
Height1mm
Number of Terminations3
Current Rating200mA
Power Dissipation300mW
Drive Voltage (Max Rds On,Min Rds On)10V
Width1.3mm
Voltage50V
Fall Time (Typ)25 ns
Voltage - Rated DC50V
Current2A
Threshold Voltage1.2V
Resistance3.5Ohm
Power Dissipation-Max300mW Ta
Manufacturer's Part No.BSS138-7-F
Rds On (Max) @ Id, Vgs3.5 Ω @ 220mA, 10V
Continuous Drain Current (ID)200mA
Drain to Source Breakdown Voltage50V
Input Capacitance (Ciss) (Max) @ Vds50pF @ 10V
Current - Continuous Drain (Id) @ 25°C200mA Ta
Additional FeatureHIGH RELIABILITY, LOW THRESHOLD
Feedback Cap-Max (Crss)8 pF
Turn-Off Delay Time20 ns
Number of Channels1
Number of Elements1
Turn On Delay Time20 ns
Rise Time10ns
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Cross-reference FAQ

Replacement Part Questions

Short answers for teams reviewing BSS138-7-F replacement and equivalent-part options.

What is a cross-reference page for BSS138-7-F?

This page groups mapped replacement options for BSS138-7-F 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 BSS138-7-F?

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 BSS138-7-F 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 BSS138-7-F?

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 BSS138-7-F 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 , followed by the other alternatives shown in the comparison table.

Engineering support

Need help validating the replacement path?

If your team is unsure whether a mapped alternative to BSS138-7-F from Diodes Incorporated is really usable, contact us for help on package fit, pin compatibility, key parameter gaps, and qualification-facing review questions.

Contact a hardware engineer

Email our engineering support contact at [email protected], or use the contact page if the question should be routed across sourcing, engineering, and support.

Package and pin compatibility

Review whether the alternate path looks credible from package, footprint, and pin-level perspectives.

Parameter and function gaps

Surface the electrical, interface, or application-fit questions that still need confirmation before approval.

Qualification and approval prep

Organize the documentation, datasheet evidence, and validation checkpoints your internal team may still require.