Is there a pin-compatible replacement for AC0402FR-0756KL?

While several candidates like FRC0402F5602TS share the 0402 package and are physically pin-compatible, they are not true drop-in replacements. The lack of AEC-Q200 qualification is a critical difference for applications requiring automotive-grade components.

What risks should I check before replacing AC0402FR-0756KL?

The main risk is substituting an automotive-grade (AEC-Q200) part with a commercial-grade one, which can compromise long-term reliability. You should also check for differences in tolerance (e.g., 5% vs 1%) and resistor technology (Thick vs Thin Film), as these can affect circuit performance.

AC0402FR-0756KL Alternatives, Datasheet & Cross Reference | Yageo

AC0402FR-0756KL is an automotive-grade 56kΩ 1% 0402 resistor. While alternatives with similar electrical values exist, they typically lack the critical AEC-Q200 qualification, requiring careful review before substitution.

AI replacement insight

Electrical riskhigh

Using a part with wider tolerance or different technology (Thin Film) can alter circuit behavior.

Package risklow

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

Sourcing riskhigh

Substituting with a non-qualified part for a qualified one introduces significant reliability and certification risk.

Can it be replaced directly?

No, there are no direct, drop-in replacements for AC0402FR-0756KL in this list, primarily because none of the candidates are AEC-Q200 qualified for automotive use.

Best replacement path

For non-automotive applications, FRC0402F5602TS offers the closest parametric match. For automotive use, source the original or another AEC-Q200 qualified 56kΩ 1% 0402 resistor.

Main risk

The primary risk is using a commercial-grade resistor in an application that requires an automotive-grade (AEC-Q200) component, potentially leading to premature failure.

Recommended alternatives

Parametrically identical but lacks the target's AEC-Q200 automotive qualification.

View details

Alternative comparison matrix

Feature / factor	AC0402FR-0756KL	FRC0402F5602TS	RT0402BRE0756K2L	0402WGJ0563TCE	Compatibility / risk
Package	0402	0402	0402	0402	0402 — Same package size.; RT0402BRE0756K2L: Same package size.; 0402WGJ0563TCE: Same package size.
Resistance	56kΩ	56kΩ	56.2kΩ	56kΩ	56kΩ / 56.2kΩ — Resistance value matches.; RT0402BRE0756K2L: Resistance is slightly different but within 0.4%.; 0402WGJ0563TCE: Nominal resistance matches.
Tolerance	±1%	±1%	±0.1%	±5%	±1% / ±0.1% / ±5% — Resistance tolerance matches.; RT0402BRE0756K2L: Tighter tolerance is an upgrade.; 0402WGJ0563TCE: Much wider tolerance is a significant downgrade.
Qualification	AEC-Q200	Commercial	Commercial	Commercial	Commercial — Candidate is not AEC-Q200 qualified.; RT0402BRE0756K2L: Candidate is not AEC-Q200 qualified.; 0402WGJ0563TCE: Candidate is not AEC-Q200 qualified.
Tcr	±100 ppm/°C	±100 ppm/°C	±50 ppm/°C	-	±100 ppm/°C / ±50 ppm/°C — Temperature coefficient matches.; RT0402BRE0756K2L: Better TCR is an upgrade.
Technology	Thick Film	-	Thin Film	-	Thin Film — Different resistor technology may affect noise and pulse performance.

Application & sourcing insights

Questions & answers

For general-purpose applications, FRC0402F5602TS is the closest parametric match. However, it is not AEC-Q200 qualified and is not a suitable replacement for automotive use. For such applications, it is best to source the original part.