What risks should I check before replacing FRC0402F8452TS?

The main risks are resistance deviation and TCR mismatch. Ensure the substitute's resistance is within your circuit's tolerance. For precision circuits, verify the TCR is equal to or better than the original's ±100 ppm/°C.

FRC0402F8452TS Alternatives, Datasheet & Cross Reference | FOJAN

Find alternatives for the FRC0402F8452TS, an 84.5kΩ 1% 0402 chip resistor. This guide reviews potentially pin-compatible options and parametric alternatives from manufacturers like UNI-ROYAL and Yageo.

AI replacement insight

Electrical riskmedium

Resistance value deviation is the main electrical risk. TCR mismatch is a secondary risk.

Package risklow

All viable candidates use the same 0402 package, ensuring form/fit compatibility.

Sourcing risklow

Alternatives are from major manufacturers like Yageo and are widely available.

Can it be replaced directly?

Direct replacement for FRC0402F8452TS should use only Datasheet verified or Strong match candidates; many approved options still require engineering review.

Best replacement path

The closest match is 0402WGF8452TCE, which shares all key parameters but requires TCR verification. For a readily available alternative, consider RC0402FR-0782K5L, which has a slightly different resistance of 82.5kΩ.

Main risk

The primary risk is substituting with a part that has a different resistance value, which could alter circuit behavior, especially in precision applications like voltage dividers or filter networks.

Recommended alternatives

Matches resistance, tolerance, power, and package. TCR verification is required for full compatibility.

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Alternative comparison matrix

Feature / factor	FRC0402F8452TS	0402WGF8452TCE	RC0402FR-0782K5L	RT0402BRD0782KL	Compatibility / risk
Resistance	84.5 kΩ	84.5 kΩ	82.5 kΩ	82 kΩ	84.5 kΩ / 82.5 kΩ / 82 kΩ — Exact match.; RC0402FR-0782K5L: Resistance is 2.4% lower. Requires circuit tolerance analysis.; RT0402BRD0782KL: Resistance is 3% lower. Requires circuit tolerance analysis.
Tolerance	±1%	±1%	±1%	±0.1%	±1% / ±0.1% — Exact match.; RC0402FR-0782K5L: Exact match.; RT0402BRD0782KL: Tighter tolerance is a safe upgrade.
Power	1/16W	1/16W	-	-	1/16W — Power rating is identical.
Package	0402	0402	0402	-	0402 — Package size is identical.; RC0402FR-0782K5L: Package size is identical.
Tcr	±100 ppm/°C	Not specified	±100 ppm/°C	25 ppm/°C	Not specified / ±100 ppm/°C / 25 ppm/°C — TCR for candidate is missing, requires datasheet verification.; RC0402FR-0782K5L: TCR is identical.; RT0402BRD0782KL: TCR is significantly better (more stable).
Technology	Thick Film	-	-	Thin Film	Thin Film — Thin film offers better stability and lower noise.

Application & sourcing insights

Questions & answers

Verified drop-in options for FRC0402F8452TS 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.