What risks should I check before replacing FRC0402F2433TS?

Before replacing FRC0402F2433TS, verify the substitute's resistance value, tolerance, temperature coefficient (TCR), and operating temperature range are all acceptable for your circuit's design requirements to avoid performance issues.

FRC0402F2433TS Alternatives, Datasheet & Cross Reference | FOJAN

FRC0402F2433TS is a 243kΩ, 1% tolerance, 1/16W thick film resistor in a 0402 package. Finding a replacement involves matching these parameters while considering temperature performance and potential upgrades in precision.

AI replacement insight

Electrical riskmedium

Candidates may have different resistance values or narrower temperature ranges.

Package risklow

All reviewed candidates use the same 0402 package, ensuring physical compatibility.

Can it be replaced directly?

Direct replacement for FRC0402F2433TS should use only Datasheet verified or Strong match candidates; many approved options still require engineering review.

Best replacement path

The best upgrade is RT0402BRD07240KL, offering tighter tolerance and TCR with a minimal 1.2% resistance difference. For a direct value match, CR0402FF2433G is an option, but its narrower temperature range must be checked.

Main risk

The main risk is functional change due to mismatched resistance or reduced performance from a narrower operating temperature range.

Recommended alternatives

Matches resistance, tolerance, and package, but has a narrower operating temperature range.

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Alternative comparison matrix

Feature / factor	FRC0402F2433TS	CR0402FF2433G	RT0402BRD07240KL	Compatibility / risk
Resistance	243 kΩ	243 kΩ	240 kΩ	243 kΩ / 240 kΩ — Exact resistance value match.; RT0402BRD07240KL: Resistance is 1.2% lower. User must verify if this shift is acceptable.
Tolerance	±1%	±1%	±0.1%	±1% / ±0.1% — Tolerance matches target.; RT0402BRD07240KL: Tighter tolerance is a significant upgrade.
Package	0402	0402	0402	0402 — Package size matches.; RT0402BRD07240KL: Package size matches.
Temperature	-55°C to +155°C	-55°C to +125°C	-	-55°C to +125°C — Candidate has a narrower operating temperature range.
Tcr	±100 ppm/°C	Unknown	±25 ppm/°C	Unknown / ±25 ppm/°C — TCR data not available for candidate.; RT0402BRD07240KL: Lower TCR provides better stability over temperature.
Technology	Thick Film	-	Thin Film	Thin Film — Thin film generally offers lower noise and better stability.

Application & sourcing insights

Questions & answers

Verified drop-in options for FRC0402F2433TS 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.