Is there a pin-compatible replacement for AC0402JRNPO9BN120?

Yes, AC0402FRNPO9BN120 from Yageo is a pin-compatible replacement. It shares the same 0402 package, pinout, and key electrical characteristics, making it a drop-in substitute.

What risks should I check before replacing AC0402JRNPO9BN120?

The main risk is using a replacement that is not AEC-Q200 qualified. The target part is automotive-grade; using a general-purpose capacitor could lead to failure in harsh automotive environments.

AC0402JRNPO9BN120 Alternatives, Datasheet & Cross Reference | Yageo

Yageo AC0402JRNPO9BN120 is an AEC-Q200 qualified 12pF, 50V, ±5% NP0 ceramic capacitor in a 0402 package. It is designed for high-reliability automotive applications.

AI replacement insight

Electrical riskhigh

Using a part not qualified for the automotive environment can lead to premature failure under thermal or mechanical stress.

Package risklow

All viable candidates use the same 0402 package, so mechanical fit is not a concern.

Sourcing riskhigh

Accepting a non-AEC-Q200 part may violate design or regulatory requirements for the end product.

Can it be replaced directly?

Yes, Yageo AC0402FRNPO9BN120 is a direct, pin-compatible replacement for AC0402JRNPO9BN120.

Best replacement path

The best replacement is Yageo AC0402FRNPO9BN120. It is a pin-compatible, automotive-grade part from the same manufacturer with a tighter ±1% tolerance, making it a direct upgrade.

Main risk

The primary risk is substituting with a non-automotive grade capacitor, which could compromise reliability and safety in AEC-Q200 applications.

Recommended alternatives

Yageo AC0402FRNPO9BN120 is a pin-compatible automotive-grade alternative with a tighter ±1% tolerance.

View details

Alternative comparison matrix

Feature / factor	AC0402JRNPO9BN120	AC0402FRNPO9BN120	0402N120J500CT	Compatibility / risk
Package	0402 (1005 metric)	0402 (1005 Metric)	0402 (1005 Metric)	0402 (1005 Metric) — Package size matches.; 0402N120J500CT: Package size matches.
Application	AEC-Q200	AEC-Q200	General Purpose	AEC-Q200 / General Purpose — Both parts are automotive grade.; 0402N120J500CT: Candidate is not automotive grade.
Capacitance	12 pF	12 pF	12 pF	12 pF — Capacitance matches.; 0402N120J500CT: Capacitance matches.
Voltage	50 V	50 V	50 V	50 V — Voltage rating matches.; 0402N120J500CT: Voltage rating matches.
Tolerance	±5%	±1%	±5%	±1% / ±5% — Candidate has tighter tolerance, which is a safe upgrade.; 0402N120J500CT: Tolerance matches.

Application & sourcing insights

Questions & answers

The best alternative is Yageo's AC0402FRNPO9BN120. It matches all critical parameters, is also AEC-Q200 qualified, and offers a superior tolerance of ±1% versus the original's ±5%.