Is there a pin-compatible replacement for AC0402FR-071K2L?

Yes, AT0402BRD071K2L is a pin-compatible upgrade. Other parts like FRC0402F1201TS are also pin-compatible and match key electricals, but they lack the critical AEC-Q200 qualification and are considered downgrades.

What risks should I check before replacing AC0402FR-071K2L?

The main risk is substituting a non-AEC-Q200 part, which is unsuitable for automotive designs. Also, check for any deviation in resistance, tolerance, and TCR, as these can affect circuit performance and reliability.

AC0402FR-071K2L Alternatives, Datasheet & Cross Reference | Yageo

Find and compare replacements for the Yageo AC0402FR-071K2L, a 1.2kΩ 1% 1/16W 0402 automotive-grade resistor. This guide identifies upgrade paths and functional alternatives, highlighting critical differences like AEC-Q200 qualification.

AI replacement insight

Electrical riskhigh

Using parts with incorrect resistance or non-automotive grade can cause circuit malfunction.

Package risklow

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

Sourcing riskhigh

Substituting with a non-qualified part may violate design or customer requirements.

Can it be replaced directly?

Yes, AT0402BRD071K2L is a direct upgrade path. Other parts like FRC0402F1201TS match electrically but lack automotive qualification, making them risky downgrades.

Best replacement path

The Yageo AT0402BRD071K2L is the best replacement, offering an upgrade in tolerance and TCR while maintaining the critical AEC-Q200 qualification.

Main risk

The primary risk is using a non-AEC-Q200 qualified resistor in an automotive application, which can lead to reliability issues and failure to meet industry standards.

Recommended alternatives

An excellent upgrade with tighter tolerance (±0.1%), better TCR (±25ppm/°C), and matching AEC-Q200 qualification.

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Alternative comparison matrix

Feature / factor	AC0402FR-071K2L	AT0402BRD071K2L	FRC0402F1201TS	Compatibility / risk
Tolerance	±1%	±0.1%	±1%	±0.1% / ±1% — Candidate has tighter tolerance.; FRC0402F1201TS: matched
Tcr	±100 ppm/°C	±25 ppm/°C	-	±25 ppm/°C — Candidate has better temperature stability.
Application	AEC-Q200	AEC-Q200	Not specified	AEC-Q200 / Not specified — Both are automotive grade.; FRC0402F1201TS: Target is AEC-Q200 qualified, candidate is not.
Technology	Thick Film	Thin Film	-	Thin Film — Different technology, generally an upgrade.
Package	0402	0402	0402	0402 — matched; FRC0402F1201TS: matched
Resistance	1.2kΩ	-	1.2kΩ	1.2kΩ — matched

Application & sourcing insights

Questions & answers

The best alternative for AC0402FR-071K2L is Yageo's AT0402BRD071K2L. It is an upgrade with tighter tolerance (±0.1%) and better TCR (±25 ppm/°C) while matching the package and AEC-Q200 qualification.