Is there a pin-compatible replacement for FRC0603F1431TS?

Yes, 0603WAF1431T5E from UNI-ROYAL is a pin-compatible replacement, sharing the same 0603 package and key electrical characteristics.

What risks should I check before replacing FRC0603F1431TS?

Ensure the replacement's resistance (1.43kΩ), tolerance (±1%), power rating (0.1W), and package (0603) match. For parametric alternatives, verify the new resistance value is acceptable for your circuit's design margins.

FRC0603F1431TS Alternatives, Datasheet & Cross Reference | FOJAN

The FOJAN FRC0603F1431TS is a 1.43kΩ thick film chip resistor in a 0603 package with ±1% tolerance and a 0.1W power rating. Finding a substitute requires matching these key parameters.

AI replacement insight

Electrical risklow

Low for direct replacements, medium if resistance value is relaxed and not verified.

Package risklow

0603 is a standard package, ensuring mechanical compatibility.

Can it be replaced directly?

Yes, UNI-ROYAL 0603WAF1431T5E is a direct pin-to-pin replacement for FRC0603F1431TS, matching all key specifications.

Best replacement path

The best replacement path is a cross-vendor part with identical key specifications, such as UNI-ROYAL's 0603WAF1431T5E.

Main risk

The main risk is substituting with a part that has a different resistance value, which could alter circuit performance.

Recommended alternatives

A direct, pin-compatible replacement with identical resistance, tolerance, power rating, and package size.

View details

Alternative comparison matrix

Feature / factor	FRC0603F1431TS	0603WAF1431T5E	FRC0603F1401TS	RT0603BRE071K5L	Compatibility / risk
Resistance	1.43 kΩ	1.43 kΩ	1.4 kΩ	1.5 kΩ	1.43 kΩ / 1.4 kΩ / 1.5 kΩ — Exact match.; FRC0603F1401TS: Resistance is -2.1% lower than target. Circuit tolerance must be verified.; RT0603BRE071K5L: Resistance is +4.9% higher than target. Circuit tolerance must be verified.
Tolerance	±1%	±1%	±1%	±0.1%	±1% / ±0.1% — Exact match.; FRC0603F1401TS: Exact match.; RT0603BRE071K5L: Tighter tolerance is a potential upgrade.
Power	0.1 W	0.1 W	0.1 W	-	0.1 W — Exact match.; FRC0603F1401TS: Exact match.
Tcr	±100 ppm/°C	±100 ppm/°C	-	50 ppm/°C	±100 ppm/°C / 50 ppm/°C — Exact match.; RT0603BRE071K5L: Better TCR provides higher stability.
Package	0603	0603	0603	0603	0603 — Standard 0603 package match.; FRC0603F1401TS: Package matches.; RT0603BRE071K5L: Package matches.
Technology	Thick Film	-	-	Thin Film	Thin Film — Different technology may affect noise or pulse handling.

Application & sourcing insights

Questions & answers

The UNI-ROYAL 0603WAF1431T5E is the best alternative, offering identical key specifications including resistance, tolerance, power, and package.