Is there a pin-compatible replacement for FRC0603F2431TS?

While multiple alternatives share the same 0603 package, no exact pin-to-pin electrical match was found. All candidates have differences in resistance or technology that require engineering review before substitution.

What risks should I check before replacing FRC0603F2431TS?

Before replacing, verify your circuit's tolerance for small changes in resistance. The main risk is the technology change from Thick Film to Thin Film, which could impact performance in specific applications. Always check the candidate datasheet.

FRC0603F2431TS Alternatives, Datasheet & Cross Reference | FOJAN

Find and compare replacements for the FRC0603F2431TS, a 2.43kΩ 1% 1/10W 0603 thick film resistor. This guide reviews alternatives, highlighting differences in resistance, technology, and precision to aid in selection.

AI replacement insight

Electrical risklow

Resistance values are close and precision is improved, but technology change needs review.

Package risklow

All suggested alternatives match the 0603 package, ensuring physical compatibility.

Can it be replaced directly?

No direct 1:1 replacement was found. The closest options are upgrades that change from thick film to thin film technology, which requires engineering review.

Best replacement path

Upgrade to a high-precision, automotive-grade thin film resistor like AT0603BRD072K4L for improved performance with minimal risk.

Main risk

The primary risk is the change in resistor technology from Thick Film to Thin Film, which can affect circuit performance in noise-sensitive or high-frequency applications.

Recommended alternatives

Automotive-grade upgrade with near-identical resistance, superior precision, and thin film technology.

View details

Alternative comparison matrix

Feature / factor	FRC0603F2431TS	AT0603BRD072K4L	RT0603BRD072K49L	RC0603FR-072K21L	Compatibility / risk
Package	0603	0603	0603	0603	0603 — Package size matches.; RT0603BRD072K49L: Package size matches.; RC0603FR-072K21L: Package size matches.
Resistance	2.43 kΩ	2.4 kΩ	2.49 kΩ	2.21 kΩ	2.4 kΩ / 2.49 kΩ / 2.21 kΩ — Resistance is very close (-1.2%).; RT0603BRD072K49L: Resistance is very close (+2.5%).; RC0603FR-072K21L: Resistance is 9.1% lower.
Tolerance	1.0%	0.1%	0.1%	1.0%	0.1% / 1.0% — Tighter tolerance is a direct upgrade.; RT0603BRD072K49L: Tighter tolerance is an upgrade.; RC0603FR-072K21L: Tolerance matches.
Tcr	±100 ppm/°C	±25 ppm/°C	25 ppm/°C	-	±25 ppm/°C — Improved temperature stability.; RT0603BRD072K49L: Improved temperature stability.
Technology	Thick Film	Thin Film	Thin Film	Thick Film	Thin Film / Thick Film — Different technology may offer lower noise but requires review.; RT0603BRD072K49L: Different technology may offer lower noise but requires review.; RC0603FR-072K21L: Technology matches.
Application	Commercial	AEC-Q200	-	-	AEC-Q200 — Automotive qualification is an upgrade.
Power	1/10 W	-	-	1/10 W	1/10 W — Power rating matches.

Application & sourcing insights

Questions & answers

The best alternative is likely AT0603BRD072K4L. It is an automotive-grade upgrade with a nearly identical resistance (2.4kΩ), much tighter tolerance (0.1%), and better temperature stability, though it uses Thin Film technology.