Is there a pin-compatible replacement for FRC0805F4R30TS?

Yes, several 0805 package resistors are pin-compatible. 0805W8F430KT5E is the closest match, but requires review of its temperature coefficient (TCR) for your specific application.

What risks should I check before replacing FRC0805F4R30TS?

Key risks are mismatches in resistance value, tolerance, and Temperature Coefficient (TCR). The target is a 1% precision resistor with ±100ppm/°C TCR; substitutes must be carefully evaluated for these parameters to ensure circuit stability.

FRC0805F4R30TS Alternatives, Datasheet & Cross Reference | FOJAN

Find alternatives for the FOJAN FRC0805F4R30TS, a 4.3Ω 1% 0.125W 0805 chip resistor. This guide reviews compatible parts, highlighting key parametric differences like resistance and TCR for a safe replacement.

AI replacement insight

Electrical riskmedium

Most alternatives have a weaker TCR and/or different resistance value.

Package risklow

All suggested alternatives share the same 0805 package.

Can it be replaced directly?

No direct drop-in replacement has been identified that matches all key parameters perfectly. The closest options require review of the temperature coefficient (TCR).

Best replacement path

Use UNI-ROYAL 0805W8F430KT5E, which matches key parameters but has a weaker TCR. For non-critical applications, other parametric alternatives exist.

Main risk

The primary risk is performance degradation in temperature-sensitive circuits due to substitutes having a higher Temperature Coefficient (TCR).

Recommended alternatives

A close parametric match in an 0805 package with identical resistance, tolerance, and power, but a higher TCR.

View details

Alternative comparison matrix

Feature / factor	FRC0805F4R30TS	0805W8F430KT5E	AC0805FR-074R7L	Compatibility / risk
Resistance	4.3 Ω	4.3 Ω	4.7 Ω	4.3 Ω / 4.7 Ω — Exact match.; AC0805FR-074R7L: Resistance is 9.3% higher.
Tolerance	±1%	±1%	±1%	±1% — Exact match.; AC0805FR-074R7L: Exact match.
Power	0.125 W	0.125 W	0.125 W	0.125 W — Exact match.; AC0805FR-074R7L: Assumed 0.125W based on datasheet, despite conflicting data.
Package	0805	0805	-	0805 — Same package and pin count.
Tcr	±100 ppm/°C	±200 ppm/°C	±200 ppm/°C	±200 ppm/°C — Candidate TCR is higher; review for temperature-sensitive circuits.; AC0805FR-074R7L: Candidate TCR is higher.
Application	Commercial	-	AEC-Q200	AEC-Q200 — Candidate is automotive grade.

Application & sourcing insights

Questions & answers

UNI-ROYAL 0805W8F430KT5E is the strongest alternative, matching resistance, tolerance, and power, but has a slightly weaker TCR (±200ppm/°C vs ±100ppm/°C). Review for temperature-sensitive circuits is advised.