Is there a pin-compatible replacement for AC0402JR-07100KL?

Yes, parts like WR04X1003FTL and WR04X104JTL are pin-compatible in the same 0402 package. However, they are not functionally identical for automotive use due to the lack of AEC-Q200 qualification.

What risks should I check before replacing AC0402JR-07100KL?

The main risk is reliability. Using a non-AEC-Q200 part in an automotive system can lead to failure under thermal stress or vibration. Always verify that a substitute meets the required qualification standards for your application.

AC0402JR-07100KL Alternatives, Datasheet & Cross Reference | Yageo

Find and compare alternatives for the Yageo AC0402JR-07100KL, a 100kΩ 5% 1/16W 0402 thick film resistor. This analysis focuses on key differences, including the critical AEC-Q200 automotive qualification.

AI replacement insight

Sourcing riskhigh

Risk of using a non-qualified part in a certified design.

Package risklow

All candidates share the standard 0402 package.

Electrical risklow

Core electrical parameters are matched or improved, but qualification is missing.

Can it be replaced directly?

No, a direct, AEC-Q200 qualified replacement for AC0402JR-07100KL was not identified in this review. All candidates are general-purpose and represent a downgrade in qualification.

Best replacement path

Use a general-purpose thick film resistor with upgraded 1% tolerance, like WR04X1003FTL, but this requires full re-validation for automotive use as it is not AEC-Q200 qualified.

Main risk

The primary risk is substituting a general-purpose resistor for an AEC-Q200 qualified part in an automotive application, which can lead to premature failure.

Recommended alternatives

A 1% tolerance alternative, but lacks the target's automotive AEC-Q200 qualification.

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Alternative comparison matrix

Feature / factor	AC0402JR-07100KL	WR04X1003FTL	WR04X104JTL	Compatibility / risk
Package	0402	0402	0402	0402 — Same package and pin count.; WR04X104JTL: Same package and pin count.
Application	AEC-Q200	Not AEC-Q200	Not AEC-Q200	Not AEC-Q200 — Target is automotive grade, candidate is general purpose.; WR04X104JTL: Target is automotive grade, candidate is general purpose.
Tolerance	±5%	±1%	-	±1% — Tighter tolerance is a safe upgrade.
Power	1/16 W	1/16 W	1/16 W	1/16 W — Power rating is identical; no derating required but no extra margin.; WR04X104JTL: Power rating is identical.
Temperature	-55°C to +155°C	-55°C to +155°C	-	-55°C to +155°C — Operating temperature range matches.
Resistance	100 kΩ, ±5%	-	100 kΩ, ±5%	100 kΩ, ±5% — Resistance and tolerance match.

Application & sourcing insights

Questions & answers

No direct AEC-Q200 qualified replacement was found. For non-automotive use, WR04X1003FTL is a strong alternative with tighter tolerance, but it must be validated by an engineer.