Is there a pin-compatible replacement for AC0805FR-0747KL?

Yes, several 0805 resistors are pin-compatible, such as Yageo's RT and RC series. However, pin compatibility does not guarantee electrical or qualification equivalence. Key parameters like technology and AEC-Q200 rating must be checked.

What risks should I check before replacing AC0805FR-0747KL?

First, confirm if the replacement is AEC-Q200 qualified if used in an automotive design. Second, check for technology differences (Thick vs. Thin Film), as this affects performance. Finally, verify that any deviation in resistance or tolerance is acceptable for your circuit.

AC0805FR-0747KL Alternatives, Datasheet & Cross Reference | Yageo

AC0805FR-0747KL is a popular 47kΩ 1% 0805 thick film resistor from Yageo, qualified for automotive (AEC-Q200) applications. Finding a direct, qualified replacement requires careful parameter matching.

AI replacement insight

Sourcing riskhigh

Using a non-AEC-Q200 part in an automotive design is a major compliance and reliability risk.

Electrical riskmedium

Differences in technology or resistance require circuit analysis.

Package risklow

The 0805 package is standard and should be a direct fit.

Can it be replaced directly?

No direct, fully-qualified drop-in replacement was found. The closest options have differences in resistance, technology, or automotive qualification that must be verified by an engineer.

Best replacement path

Search for AEC-Q200 qualified 0805 thick film resistors with 47kΩ resistance and 1% tolerance. Using non-automotive or thin film parts requires engineering review.

Main risk

The primary risk is using a non-AEC-Q200 part in an automotive application, which can affect reliability and safety. Technology differences (Thick vs. Thin Film) also pose a risk.

Recommended alternatives

A potential upgrade with tighter tolerance and TCR, but uses different resistor technology and lacks automotive qualification.

View details

Alternative comparison matrix

Feature / factor	AC0805FR-0747KL	RT0805BRD0747KL	RC0805FR-0751K1L	Compatibility / risk
Resistance	47kΩ	47kΩ	51.1kΩ	47kΩ / 51.1kΩ — Resistance value matches.; RC0805FR-0751K1L: Resistance is ~8.7% higher than target.
Technology	Thick Film	Thin Film	Thick Film	Thin Film / Thick Film — Target is Thick Film. Thin film offers higher precision but may have different pulse handling characteristics.; RC0805FR-0751K1L: Technology matches target.
Tolerance	±1%	±0.1%	±1%	±0.1% / ±1% — Candidate has tighter tolerance.; RC0805FR-0751K1L: Tolerance matches.
Tcr	±100 ppm/°C	25 ppm/°C	-	25 ppm/°C — Candidate has a better temperature coefficient.
Qualification	AEC-Q200	Not Specified	Not Specified	Not Specified — Target is AEC-Q200 automotive grade. Candidate qualification is not specified.; RC0805FR-0751K1L: Target is AEC-Q200 automotive grade. Candidate qualification is not specified.

Application & sourcing insights

Questions & answers

The best alternative depends on your application's flexibility. For matching technology, RC0805FR-0751K1L is similar but has a higher resistance. For matching resistance, RT0805BRD0747KL is an option but uses different technology. Neither is specified as AEC-Q200 qualified.