Is there a pin-compatible replacement for AC0603DR-07100KL?

Several parts share the 0603 package, but direct pin-to-pin compatibility depends on electrical parameters. For example, AC0603JR-07100KL matches the package but has a much looser tolerance (±5%), making it a high-risk downgrade.

What risks should I check before replacing AC0603DR-07100KL?

Key risks include changes in resistance tolerance, temperature coefficient (TCR), and resistor technology (Thick Film vs. Thin Film). A wider tolerance can affect circuit accuracy, while a technology change may impact pulse handling capability.

AC0603DR-07100KL Alternatives, Datasheet & Cross Reference | Yageo

AC0603DR-07100KL is a 100kΩ, ±0.5% tolerance, AEC-Q200 qualified thick film resistor in a 0603 package. Finding a substitute requires matching these key parameters, especially for automotive applications.

AI replacement insight

Electrical riskhigh

Tolerance and technology mismatches are common and can affect circuit performance.

Package risklow

The 0603 package is standard, ensuring physical compatibility.

Can it be replaced directly?

No direct drop-in replacement has been identified. All candidates have parametric differences, such as tolerance or technology, that require engineering review.

Best replacement path

Upgrade to a Thin Film resistor like RT0603BRE07100KL for better precision, after verifying technology compatibility for your application.

Main risk

The primary risk is substituting with a part that has a wider resistance tolerance or a different technology (Thin Film) without verifying circuit impact.

Recommended alternatives

Potential upgrade with better tolerance (±0.1%) and TCR (±50ppm/°C), but uses different Thin Film technology.

View details

Alternative comparison matrix

Feature / factor	AC0603DR-07100KL	RT0603BRE07100KL	AC0603JR-07100KL	Compatibility / risk
Package	0603	0603	0603	0603 — Same package and pin count.; AC0603JR-07100KL: Same package and pin count.
Resistance	100kΩ	100kΩ	-	100kΩ — Resistance value matches.
Tolerance	±0.5%	±0.1%	±5%	±0.1% / ±5% — Candidate has tighter tolerance.; AC0603JR-07100KL: Tolerance is significantly looser.
Tcr	±100 ppm/°C	±50 ppm/°C	-	±50 ppm/°C — Candidate has better temperature stability.
Technology	Thick Film	Thin Film	Thick Film	Thin Film / Thick Film — Technology differs, may affect pulse handling.; AC0603JR-07100KL: Technology matches.
Power	1/10 W	-	1/10 W	1/10 W — Power rating matches.

Application & sourcing insights

Questions & answers

RT0603BRE07100KL is a potential upgrade with tighter tolerance (±0.1%) and better TCR. However, it uses Thin Film technology, which must be validated for your specific application against the target's Thick Film.