What risks should I check before replacing FRC0402F2551TS?

Key risks include resistance deviation, as some alternatives have values like 2.49kΩ instead of 2.55kΩ. Also check for differences in Temperature Coefficient (TCR) and technology (Thick vs. Thin Film).

FRC0402F2551TS Alternatives, Datasheet & Cross Reference | FOJAN

Finding a substitute for the FOJAN FRC0402F2551TS 2.55kΩ resistor involves matching the 0402 package, 1/16W power, and ±1% tolerance. Several options exist, from direct matches to parametric alternatives.

AI replacement insight

Electrical riskmedium

Some alternatives have different resistance or TCR values requiring validation.

Package risklow

All suggested candidates use the same 0402 package.

Sourcing risklow

This is a common resistor value with multiple manufacturers.

Can it be replaced directly?

Direct replacement for FRC0402F2551TS should use only Datasheet verified or Strong match candidates; many approved options still require engineering review.

Best replacement path

Start with Datasheet verified or Strong match candidates for FRC0402F2551TS, then review parametric alternatives for package and electrical fit.

Main risk

The main risk when substituting is a mismatch in resistance value, which can alter circuit behavior, especially in precision applications.

Recommended alternatives

UNI-ROYAL 0402WGF2551TCE is a strong pin-to-pin alternative with matching key electrical parameters and package.

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Alternative comparison matrix

Feature / factor	FRC0402F2551TS	0402WGF2551TCE	FRC0402F2491TS	RT0402BRD072K49L	Compatibility / risk
Resistance	2.55 kΩ	2.55 kΩ	2.49 kΩ	2.49 kΩ	2.55 kΩ / 2.49 kΩ — Exact match.; FRC0402F2491TS: Resistance is -2.35% lower than target. Requires engineering validation.; RT0402BRD072K49L: Resistance is -2.35% lower than target. Requires engineering validation.
Tolerance	±1%	±1%	±1%	±0.1%	±1% / ±0.1% — Exact match.; FRC0402F2491TS: Exact match.; RT0402BRD072K49L: Tighter tolerance is an upgrade.
Power	1/16 W	1/16 W	-	-	1/16 W — Power rating matches.
Tcr	±100 ppm/°C	±100 ppm/°C	±100 ppm/°C	25 ppm/°C	±100 ppm/°C / 25 ppm/°C — Verified from datasheet, matches target.; FRC0402F2491TS: Exact match.; RT0402BRD072K49L: Lower TCR provides better stability, an upgrade.
Package	0402	0402	0402	0402	0402 — Package size matches.; FRC0402F2491TS: Package size matches.; RT0402BRD072K49L: Package size matches.
Technology	Thick Film	-	-	Thin Film	Thin Film — Different technology, generally lower noise.

Application & sourcing insights

Questions & answers

Verified drop-in options for FRC0402F2551TS are limited in the current batch. Review candidates marked Strong match or Datasheet verified, and validate package, pinout, and electrical limits before committing a BOM change.