What risks should I check before replacing AC0402KRX7R9BB471?

When replacing AC0402KRX7R9BB471, the main risk is using a non-automotive part in a qualified design. Ensure any substitute is AEC-Q200 qualified. Also verify subtle electrical differences like capacitance change over temperature and DC bias, especially when switching manufacturers.

AC0402KRX7R9BB471 Alternatives, Datasheet & Cross Reference | Yageo

AC0402KRX7R9BB471 is a 470pF, 50V, 0402 automotive-grade MLCC from Yageo. Key alternatives include pin-compatible automotive parts like Murata's GCM155R71H471KA37D, but require verification.

AI replacement insight

Electrical riskhigh

Using a non-AEC-Q200 part in an automotive design is a high reliability risk.

Package risklow

Multiple candidates share the same 0402 package.

Can it be replaced directly?

Direct replacement for AC0402KRX7R9BB471 should use only Datasheet verified or Strong match candidates; many approved options still require engineering review.

Best replacement path

Use Murata GCM155R71H471KA37D, an automotive-grade part with matching specs.

Main risk

Using a commercial-grade capacitor in an automotive application, which can lead to reliability issues.

Recommended alternatives

A pin-compatible automotive-grade MLCC from Murata with identical key electrical specifications.

View details

Alternative comparison matrix

Feature / factor	AC0402KRX7R9BB471	GCM155R71H471KA37D	CC0402JRX7R9BB471	CC0402FRNPO9BN471	Compatibility / risk
Package	0402 (1005 metric)	0402 (1005 metric)	0402 (1005 metric)	0402 (1005 metric)	0402 (1005 metric) — Same package and pin count.; CC0402JRX7R9BB471: Same package and pin count.; CC0402FRNPO9BN471: Same package and pin count.
Capacitance	470 pF	470 pF	-	-	470 pF — Identical capacitance value.
Voltage	50 V	50 V	50 V	50 V	50 V — Identical voltage rating.; CC0402JRX7R9BB471: Identical voltage rating.; CC0402FRNPO9BN471: Identical voltage rating.
Dielectric	X7R	X7R	-	NP0 (C0G)	X7R / NP0 (C0G) — Same dielectric characteristics.; CC0402FRNPO9BN471: NP0 is more stable but has different electrical characteristics.
Qualification	AEC-Q200	AEC-Q200	Commercial	-	AEC-Q200 / Commercial — Both parts are automotive grade.; CC0402JRX7R9BB471: Candidate is commercial grade, target is automotive.
Tolerance	±10%	-	±5%	±1%	±5% / ±1% — Tighter tolerance is an upgrade.; CC0402FRNPO9BN471: Tighter tolerance is an upgrade.

Application & sourcing insights

Questions & answers

Verified drop-in options for AC0402KRX7R9BB471 are limited in the current batch. Review candidates marked Strong match or Datasheet verified, and validate package, pinout, and electrical limits before committing a BOM change.