Is there a pin-compatible replacement for RT0402BRD07249RL?

Yes, many 0402 resistors are pin-compatible, including all the candidates reviewed. However, pin compatibility does not guarantee electrical compatibility. You must check key parameters like resistance, tolerance, and TCR before replacing.

What risks should I check before replacing RT0402BRD07249RL?

Before replacing, check three main risks: 1) Resistance value difference, which can alter circuit behavior. 2) Tolerance degradation (e.g., from 0.1% to 1%), which reduces precision. 3) Technology and TCR changes (Thin vs. Thick Film), which affect stability over temperature.

RT0402BRD07249RL Alternatives, Datasheet & Cross Reference | Yageo

Finding a substitute for the Yageo RT0402BRD07249RL involves balancing precision with availability. This 249 Ohm, 0.1% thin film resistor requires careful matching of its key electrical parameters to ensure performance is maintained.

AI replacement insight

Electrical riskhigh

Target is a precision part. Substituting with a lower-spec resistor (looser tolerance, higher TCR) can affect circuit accuracy and stability.

Package risklow

All candidates use the standard 0402 package, ensuring physical compatibility on the PCB.

Can it be replaced directly?

No direct drop-in replacement was found. All candidates have parametric differences, primarily in resistance value, tolerance, or technology.

Best replacement path

Use a thin film resistor from the same RT series with the closest available resistance, like RT0402BRD07240RL, and verify the impact of the resistance change.

Main risk

The primary risk is performance degradation from using a substitute with a different resistance value, looser tolerance, or higher temperature coefficient (TCR).

Recommended alternatives

A close parametric match from the same series with a slightly different resistance value.

View details

Alternative comparison matrix

Feature / factor	RT0402BRD07249RL	RT0402BRD07240RL	AC0402FR-07240RL	RC0402FR-07261RL	Compatibility / risk
Resistance	249 Ohm	240 Ohm	240 Ohm	261 Ohm	240 Ohm / 261 Ohm — 3.6% lower than target. Verify circuit tolerance.; AC0402FR-07240RL: 3.6% lower than target.; RC0402FR-07261RL: 4.8% higher than target.
Tolerance	±0.1%	±0.1%	±1%	±1%	±0.1% / ±1% — matched; AC0402FR-07240RL: 10x looser tolerance than target's ±0.1%.; RC0402FR-07261RL: 10x looser tolerance than target's ±0.1%.
Tcr	25 ppm/°C	25 ppm/°C	-	±100 ppm/°C	25 ppm/°C / ±100 ppm/°C — matched; RC0402FR-07261RL: 4x worse temperature stability.
Technology	Thin Film	Thin Film	Thick Film	Thick Film	Thin Film / Thick Film — matched; AC0402FR-07240RL: Lower precision vs. target's Thin Film.; RC0402FR-07261RL: Lower precision and stability vs. target's Thin Film.
Package	0402	0402	-	0402	0402 — matched; RC0402FR-07261RL: matched
Application	Commercial	-	AEC-Q200	-	AEC-Q200 — Candidate is automotive grade.

Application & sourcing insights

Questions & answers

The best alternative is likely RT0402BRD07240RL from the same Yageo series. It matches all precision specs (0.1% tolerance, 25 ppm/°C TCR) but has a 240 Ohm resistance. You must verify if your design can tolerate this 3.6% difference.