Is there a pin-compatible replacement for AC0402FR-7W10KL?

Yes, several parts like AF0402FR-0710KL are pin-compatible in the same 0402 package. However, they are not electrically equivalent due to a lower power rating (1/16W vs 1/8W), which is a critical difference.

What risks should I check before replacing AC0402FR-7W10KL?

The main risk is electrical overstress. All identified alternatives have a lower 1/16W power rating versus the original's 1/8W. You must verify that the actual power dissipation in your circuit is safely below 1/16W to prevent overheating and failure.

AC0402FR-7W10KL Alternatives, Datasheet & Cross Reference | Yageo

Finding a substitute for the Yageo AC0402FR-7W10KL, a 10kΩ 1/8W AEC-Q200 resistor, requires careful attention to its power rating. While pin-compatible alternatives exist, they typically offer a lower power rating, necessitating an engineering review.

AI replacement insight

Electrical riskhigh

Candidates have 50% lower power rating (1/16W vs 1/8W). Requires circuit power analysis.

Package risklow

All suggested alternatives share the same 0402 package and are pin-compatible.

Can it be replaced directly?

No, a direct drop-in replacement for AC0402FR-7W10KL was not found. All suitable candidates have a lower power rating of 1/16W compared to the target's 1/8W.

Best replacement path

Verify if a 1/16W power rating is acceptable for the application. If so, AF0402FR-0710KL is a strong candidate. Otherwise, a new search for a 1/8W, 10kΩ, 0402, AEC-Q200 resistor is required.

Main risk

The primary risk is the lower power handling capability of all candidates, which could lead to component failure if the circuit's power dissipation exceeds 1/16W.

Recommended alternatives

AEC-Q200 qualified alternative with a lower power rating and added anti-sulfur protection.

View details

Alternative comparison matrix

Feature / factor	AC0402FR-7W10KL	AF0402FR-0710KL	AC0402DR-0710KL	Compatibility / risk
Package	0402	0402	0402	0402 — Form factor matches.; AC0402DR-0710KL: Form factor matches.
Power	1/8 W	1/16 W	1/16 W	1/16 W — Lower power rating requires derating analysis.; AC0402DR-0710KL: Lower power rating requires derating analysis.
Application	AEC-Q200	AEC-Q200, Anti-Sulfur	AEC-Q200	AEC-Q200, Anti-Sulfur — Matches automotive grade, adds anti-sulfur feature.; AC0402DR-0710KL: Matches automotive grade.
Tcr	±100 ppm/°C	±100 ppm/°C	-	±100 ppm/°C — Temperature coefficient matches.
Tolerance	±1%	±1%	±0.5%	±1% / ±0.5% — Resistance tolerance matches.; AC0402DR-0710KL: Tighter tolerance is an upgrade.

Application & sourcing insights

Questions & answers

No direct drop-in replacement was found. However, if a lower power rating of 1/16W is acceptable, Yageo's AF0402FR-0710KL is a strong candidate as it matches AEC-Q200 qualification and adds anti-sulfur protection.