Is there a pin-compatible replacement for FRC0805F4992TS?

Yes, several manufacturers offer pin-compatible 0805 resistors with 49.9kΩ, 1% tolerance, and 1/8W power rating, like Yageo RC0805FR-0749K9L and FH RS-05K4992FT.

What risks should I check before replacing FRC0805F4992TS?

Ensure the replacement has the same 49.9kΩ resistance, ±1% tolerance, 0.125W power rating, and 0805 package. Also check secondary parameters like TCR and operating temperature.

FRC0805F4992TS Alternatives, Datasheet & Cross Reference | FOJAN

Finding a substitute for the FRC0805F4992TS 49.9kΩ 1% 0805 resistor involves matching key parameters. Several pin-compatible thick film resistors and a high-precision thin film upgrade path are available.

AI replacement insight

Electrical risklow

Low risk if resistance, tolerance, and power are matched.

Package risklow

0805 is a standard package, ensuring physical compatibility.

Can it be replaced directly?

Yes, direct replacements like Yageo RC0805FR-0749K9L are available and offer a low-risk substitution path.

Best replacement path

Direct pin-to-pin replacement with another 0805 thick film resistor with identical primary specifications.

Main risk

The main risk is selecting a part with a different resistance value, which would alter circuit behavior.

Recommended alternatives

Pin-compatible substitute with matching resistance, tolerance, power, and package.

View details

Alternative comparison matrix

Feature / factor	FRC0805F4992TS	RC0805FR-0749K9L	RS-05K4992FT	RT0805BRD0749K9L	Compatibility / risk
Package	0805	0805	0805	0805	0805 — Identical package size.; RS-05K4992FT: Identical package size.; RT0805BRD0749K9L: Identical package size.
Resistance	49.9 kΩ	49.9 kΩ	49.9 kΩ	49.9 kΩ	49.9 kΩ — Identical resistance value.; RS-05K4992FT: Identical resistance value.; RT0805BRD0749K9L: Resistance value matches.
Tolerance	±1.0%	±1.0%	±1.0%	±0.1%	±1.0% / ±0.1% — Identical tolerance.; RS-05K4992FT: Identical tolerance.; RT0805BRD0749K9L: Candidate has tighter tolerance.
Power	0.125 W	0.125 W	0.125 W	-	0.125 W — Identical power rating.; RS-05K4992FT: Identical power rating.
Tcr	±100 ppm/°C	±100 ppm/°C	-	25 ppm/°C	±100 ppm/°C / 25 ppm/°C — Identical temperature coefficient.; RT0805BRD0749K9L: Candidate has better temperature stability.
Technology	Thick Film	-	-	Thin Film	Thin Film — Different film technology may affect noise or pulse handling.

Application & sourcing insights

Questions & answers

The best alternative is a part with identical specifications, such as Yageo's RC0805FR-0749K9L, which matches resistance, tolerance, power, TCR, and package.