Is there a pin-compatible replacement for RT0402BRD0718K2L?

Yes, several 0402 package resistors are pin-compatible. However, no direct drop-in replacement with identical key parameters has been identified. All candidates require engineering review for parametric differences.

What risks should I check before replacing RT0402BRD0718K2L?

Key risks include changes in resistance value, tolerance (from ±0.1%), and temperature coefficient (TCR, from 25ppm/°C). Using a part with wider tolerance or higher TCR can affect circuit accuracy and stability, especially in precision analog circuits.

RT0402BRD0718K2L Alternatives, Datasheet & Cross Reference | Yageo

Finding a substitute for the Yageo RT0402BRD0718K2L, a 18.2kΩ ±0.1% 0402 precision resistor, requires careful matching of tolerance and TCR. Alternatives may offer different resistance values or lower precision, requiring engineering review.

AI replacement insight

Electrical riskhigh

Target is a precision component; any deviation in resistance, tolerance, or TCR can impact performance.

Package risklow

Alternatives are in the same standard 0402 package, ensuring physical compatibility.

Can it be replaced directly?

No direct drop-in replacement with identical precision and resistance has been found. All alternatives involve a parametric trade-off.

Best replacement path

Evaluate circuit's tolerance to a ~1% resistance shift. If acceptable, use a part from the same Yageo RT series. Otherwise, a lower-precision part is a high-risk downgrade.

Main risk

Degradation of circuit precision due to mismatched resistance, tolerance, or TCR.

Recommended alternatives

Same series and precision as target, but with 18kΩ resistance instead of 18.2kΩ.

View details

Alternative comparison matrix

Feature / factor	RT0402BRD0718K2L	RT0402BRD0718KL	FRC0402F1822TS	Compatibility / risk
Resistance	18.2 kΩ	18 kΩ	18.2 kΩ	18 kΩ / 18.2 kΩ — 1.1% deviation from target value.; FRC0402F1822TS: Resistance value matches target.
Tolerance	±0.1%	±0.1%	±1%	±0.1% / ±1% — Matches target's high precision.; FRC0402F1822TS: Significant downgrade from precision target.
Tcr	25 ppm/°C	25 ppm/°C	±100 ppm/°C	25 ppm/°C / ±100 ppm/°C — Matches target's high stability.; FRC0402F1822TS: Lower stability over temperature.
Technology	Thin Film	Thin Film	Thick Film	Thin Film / Thick Film — Matches target technology.; FRC0402F1822TS: Downgrade from high-stability Thin Film.
Package	0402	0402	0402	0402 — Standard 0402 package matches.; FRC0402F1822TS: Standard 0402 package matches.

Application & sourcing insights

Questions & answers

The best alternative depends on circuit requirements. For the same precision, RT0402BRD0718KL offers matched specs but with 18kΩ resistance. For the same resistance, FRC0402F1822TS is an option but with much lower precision (±1% tolerance, ±100ppm/°C TCR).