What risks should I check before replacing FRC0402F4871TS?

When replacing FRC0402F4871TS, first verify the Temperature Coefficient of Resistance (TCR) of the replacement. If considering an alternative with a different resistance value (e.g., 4.7kΩ or 5.1kΩ), you must perform circuit analysis to ensure it's acceptable for your application.

FRC0402F4871TS Alternatives, Datasheet & Cross Reference | FOJAN

FRC0402F4871TS is a general-purpose 4.87kΩ, 1% tolerance, 0402 chip resistor. Several alternatives are available, including a near-identical match and other options with different resistance values but improved precision for demanding applications.

AI replacement insight

Package risklow

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

Electrical riskmedium

Several candidates have different resistance values or technology (Thin Film vs. Thick Film), which requires engineering review.

Sourcing risklow

Multiple manufacturers offer viable alternatives, providing sourcing flexibility.

Can it be replaced directly?

Direct replacement for FRC0402F4871TS should use only Datasheet verified or Strong match candidates; many approved options still require engineering review.

Best replacement path

The most direct replacement path is using 0402WGF4871TCE from UNI-ROYAL, which matches all critical parameters. Verification of the TCR from its datasheet is the only required check.

Main risk

The main risk is using an alternative with a different resistance value, which requires circuit analysis to ensure it does not impact performance.

Recommended alternatives

A strong pin-to-pin candidate matching resistance, tolerance, and package. TCR verification recommended.

View details

Alternative comparison matrix

Feature / factor	FRC0402F4871TS	0402WGF4871TCE	RT0402BRE074K7L	RT0402DRE075K1L	Compatibility / risk
Resistance	4.87 kΩ	4.87 kΩ	4.7 kΩ	5.1 kΩ	4.87 kΩ / 4.7 kΩ / 5.1 kΩ — Exact match.; RT0402BRE074K7L: Resistance is ~3.5% lower.; RT0402DRE075K1L: Resistance is ~4.7% higher.
Tolerance	±1%	±1%	±0.1%	±0.5%	±1% / ±0.1% / ±0.5% — Exact match.; RT0402BRE074K7L: Much tighter tolerance is an upgrade.; RT0402DRE075K1L: Tighter tolerance is an upgrade.
Package	0402	0402	-	0402	0402 — Same package ensures form and fit.; RT0402DRE075K1L: Same package ensures form and fit.
Power	1/16W	1/16W	-	-	1/16W — Power rating matches.
Tcr	±100 ppm/°C	Missing	50 ppm/°C	50 ppm/°C	Missing / 50 ppm/°C — Datasheet indicates ±100 ppm/°C, matching target.; RT0402BRE074K7L: Better TCR provides higher stability.; RT0402DRE075K1L: Better TCR provides higher stability.
Technology	Thick Film	-	Thin Film	Thin Film	Thin Film — Different technology may affect noise/pulse performance.; RT0402DRE075K1L: Different technology may affect noise/pulse performance.

Application & sourcing insights

Questions & answers

Verified drop-in options for FRC0402F4871TS 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.