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Alternative part analysis

STB18NF25 replacements, alternatives, and cross reference

Compare mapped replacement and alternative options for STB18NF25, then verify package, specifications, and application fit before approval.

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This product currently does not show a published cross-reference list. Use RFQ support if your team needs an alternative part review.

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
STB18NF25

STMicroelectronics

Part NumberSTB18NF25
ManufacturerSTMicroelectronics
CategoryDiscrete Semiconductor Products
SubcategoryTransistors - FETs, MOSFETs - Single
PackageTO-263-3
SeriesAutomotive, AEC-Q101, STripFET™ II
Key Attributes-
DescriptionMOSFET N-CH 250V 17A D2PAK
Lifecycle-
Stock57,560
Available53,513
Min Order1
DatasheetAvailable
Terminal FinishMatte Tin (Sn) - annealed
Number of Elements1
Turn-Off Delay Time21 ns
Turn On Delay Time8.8 ns
Rise Time17.2ns
JESD-609 Codee3
Moisture Sensitivity Level (MSL)1 (Unlimited)
RoHS StatusRoHS non-compliant
JESD-30 CodeR-PSSO-G2
HTSUS8541.29.0095
ECCN CodeEAR99
Part StatusActive
REACH StatusREACH Unaffected
ECCNEAR99
Lead FreeLead Free
Mounting TypeSurface Mount
Factory Lead Time12 Weeks
PackagingTape & Reel (TR)
Terminal FormGULL WING
Element ConfigurationSingle
Peak Reflow Temperature (Cel)245
ManufacturerSTMicroelectronics
Case ConnectionDRAIN
Operating Temperature-55°C~175°C TJ
Operating ModeENHANCEMENT MODE
SubcategoryFET General Purpose Power
TechnologyMOSFET (Metal Oxide)
FET TypeN-Channel
Sub-CategoriesTransistors - FETs, MOSFETs - Single
Vgs (Max)±20V
CategoriesDiscrete Semiconductor Products
Transistor ApplicationSWITCHING
Transistor Element MaterialSILICON
Vgs(th) (Max) @ Id4V @ 250μA
Package / CaseTO-263-3, D2Pak (2 Leads + Tab), TO-263AB
Current - Continuous Drain (Id) @ 25°C17A Tc
Power Dissipation110W
Power Dissipation-Max110W Tc
Lifecycle StatusACTIVE (Last Updated: 8 months ago)
Reflow Temperature-Max (s)30
Radiation HardeningNo
MountSurface Mount
Number of Pins3
Number of Terminations2
Gate to Source Voltage (Vgs)20V
Drive Voltage (Max Rds On,Min Rds On)10V
Pin Count4
Continuous Drain Current (ID)17A
Pulsed Drain Current-Max (IDM)68A
Drain to Source Breakdown Voltage250V
Avalanche Energy Rating (Eas)54 mJ
Input Capacitance (Ciss) (Max) @ Vds1000pF @ 25V
Resistance165mOhm
Fall Time (Typ)8.8 ns
Gate Charge (Qg) (Max) @ Vgs29.5nC @ 10V
Rds On (Max) @ Id, Vgs165m Ω @ 8.5A, 10V
SeriesAutomotive, AEC-Q101, STripFET™ II
Manufacturer's Part No.STB18NF25
Base Part NumberSTB18N
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Cross-reference FAQ

Replacement Part Questions

Short answers for teams reviewing STB18NF25 replacement and equivalent-part options.

What is a cross-reference page for STB18NF25?

This page groups mapped replacement options for STB18NF25 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 STB18NF25?

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 STB18NF25 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 STB18NF25?

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 STB18NF25 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 STB18NF25 from STMicroelectronics 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.