Is there a pin-compatible replacement for AC0603FR-07180KL?

Yes, several 0603 package resistors are pin-compatible, such as 0603WAF1823T5E. However, a true drop-in replacement requires matching the AEC-Q200 qualification, which many alternatives lack. Always verify all parameters before substitution.

What risks should I check before replacing AC0603FR-07180KL?

The main risk is the loss of AEC-Q200 automotive qualification. Also check for technology differences (Thick vs. Thin Film) which affect stability and pulse handling, and verify that any resistance deviation is within your circuit's tolerance.

AC0603FR-07180KL Alternatives, Datasheet & Cross Reference | Yageo

AC0603FR-07180KL is a 180kΩ, 1% tolerance, 1/10W thick film chip resistor in a 0603 package. It is AEC-Q200 qualified, making it suitable for automotive applications.

AI replacement insight

Electrical riskmedium

Candidates have similar or better core specs, but technology differences (Thin Film) need review.

Package risklow

All candidates use the same 0603 package.

Sourcing risklow

The target is an active, common value part.

Can it be replaced directly?

No direct, fully equivalent replacement has been identified. All reviewed candidates lack the target's AEC-Q200 qualification, which is a critical feature for its intended use.

Best replacement path

Find another AEC-Q200 qualified 180kΩ 1% 0603 resistor. If not possible, evaluate non-qualified parts like 0603WAF1823T5E for non-critical, non-automotive applications.

Main risk

Loss of automotive-grade AEC-Q200 qualification, potentially compromising reliability in harsh environments.

Recommended alternatives

Functional alternative with matching package, power, and tolerance, but lacks automotive AEC-Q200 qualification.

View details

Alternative comparison matrix

Feature / factor	AC0603FR-07180KL	0603WAF1823T5E	RT0603BRD07182KL	Compatibility / risk
Package	0603	0603	0603	0603 — Same 0603 package.; RT0603BRD07182KL: Same 0603 package.
Resistance	180kΩ	182kΩ	182kΩ	182kΩ — 1.1% higher, within tolerance for most applications.; RT0603BRD07182KL: 1.1% higher, very close match.
Tolerance	±1%	±1%	±0.1%	±1% / ±0.1% — Identical tolerance.; RT0603BRD07182KL: Higher precision than target's ±1%.
Power	1/10W	1/10W	-	1/10W — Identical power rating.
Application	AEC-Q200	None	None	None — Candidate is not AEC-Q200 qualified.; RT0603BRD07182KL: Candidate is not AEC-Q200 qualified.
Technology	Thick Film	-	Thin Film	Thin Film — Different technology may affect pulse handling.

Application & sourcing insights

Questions & answers

The best alternative depends on application. For non-automotive use, 0603WAF1823T5E is a close match. For higher precision, RT0603BRD07182KL offers tighter specs but uses different technology. For automotive designs, finding another AEC-Q200 part is the safest path.