Is there a pin-compatible replacement for RC0402FR-0718K2L?

Yes, several parts like FRC0402F1822TS and RT0402BRD0718K2L share the same 0402 package and are physically pin-compatible. However, their electrical characteristics differ, so they are not guaranteed drop-in replacements without an engineering review.

What risks should I check before replacing RC0402FR-0718K2L?

Before replacing RC0402FR-0718K2L, check three main risks: 1) Power Rating: ensure the substitute can handle the circuit's actual power dissipation. 2) Resistance Value: verify your design can tolerate any deviation from 18.2kΩ. 3) Technology: if considering a Thin Film part, confirm its suitability for your application.

RC0402FR-0718K2L Alternatives, Datasheet & Cross Reference | Yageo

Finding a substitute for the Yageo RC0402FR-0718K2L, an 18.2kΩ 1% 0402 resistor, involves balancing parametric matches with design safety margins. This guide reviews several alternatives and highlights key differences to aid in your selection process.

AI replacement insight

Electrical riskmedium

Candidates may have different resistance values or lack power margin.

Package risklow

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

Sourcing risklow

Alternatives are available from multiple manufacturers like FOJAN, Yageo, and Vishay.

Can it be replaced directly?

No guaranteed drop-in replacement for RC0402FR-0718K2L has been identified. All candidates have parametric differences or lack the recommended power rating margin, requiring engineering review before substitution.

Best replacement path

Start with FRC0402F1822TS as it matches all key parameters, but you must verify your circuit's power dissipation as it lacks a safety margin. For higher precision needs, consider RT0402BRD0718K2L, but validate the change from Thick to Thin Film technology.

Main risk

The primary risk is the lack of power rating margin in all found alternatives. Using a resistor with an identical power rating to the original may reduce reliability if the circuit operates near the component's limit.

Recommended alternatives

Parametrically identical but lacks power rating margin, requiring design review.

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Alternative comparison matrix

Feature / factor	RC0402FR-0718K2L	FRC0402F1822TS	RT0402BRD0718K2L	Compatibility / risk
Resistance	18.2 kΩ	18.2 kΩ	-	18.2 kΩ — Resistance value matches target.
Power	0.0625 W	0.0625 W	0.0625 W	0.0625 W — No power rating margin; engineering rule suggests ≥1.5x target power.; RT0402BRD0718K2L: No power rating margin.
Tolerance	±1%	±1%	±0.1%	±1% / ±0.1% — Tolerance matches target.; RT0402BRD0718K2L: Tighter tolerance is an upgrade.
Tcr	±100 ppm/°C	±100 ppm/°C	25 ppm/°C	±100 ppm/°C / 25 ppm/°C — Temperature coefficient matches target.; RT0402BRD0718K2L: Lower TCR provides better stability over temperature.
Package	0402 (1005 metric)	0402	-	0402 — Package size is identical.
Technology	Thick Film	-	Thin Film	Thin Film — Candidate is Thin Film, target is Thick Film. Offers higher precision but different pulse characteristics.

Application & sourcing insights

Questions & answers

The best alternative depends on your application's priority. FRC0402F1822TS is the closest parametric match. RT0402BRD0718K2L is a high-precision upgrade. Both require review due to having no power rating margin over the original.