Is there a pin-compatible replacement for GJM1555C1H220JB01D?

Yes, GJM1555C1H220FB01D is a pin-compatible replacement. It shares the same 0402 package, 22pF capacitance, 50V rating, and C0G dielectric, and comes from the same manufacturer and product series.

What risks should I check before replacing GJM1555C1H220JB01D?

The primary risk is electrical performance. The target is a high-Q RF capacitor. Using a general-purpose or automotive-grade substitute, even with matching primary specs, may result in lower performance (e.g., higher signal loss) in high-frequency circuits. Always verify the substitute's RF characteristics.

GJM1555C1H220JB01D Alternatives, Datasheet & Cross Reference | Murata Manufacturing Co., Ltd.

GJM1555C1H220JB01D is a 22pF 50V high-Q ceramic capacitor from Murata, designed for RF applications. Several alternatives exist, with the best options coming from the same GJM series for guaranteed performance.

AI replacement insight

Electrical riskmedium

Using non-RF capacitors can degrade circuit performance (e.g., lower Q-factor, higher loss) in high-frequency applications.

Package risklow

All reviewed candidates use the same 0402 package, so physical fit is not a concern.

Sourcing risklow

Multiple vendors offer parametrically similar parts, but true RF-grade alternatives are less common.

Can it be replaced directly?

Yes, GJM1555C1H220FB01D is a direct, pin-compatible replacement for GJM1555C1H220JB01D, offering an upgrade in tolerance.

Best replacement path

The best replacement is GJM1555C1H220FB01D, which is from the same Murata GJM series and offers a tighter ±1% tolerance.

Main risk

The main risk when substituting is using a general-purpose or automotive capacitor that does not meet the high-Q RF performance of the original GJM series part.

Recommended alternatives

A pin-compatible upgrade from the same Murata GJM series with a tighter ±1% capacitance tolerance.

View details

Alternative comparison matrix

Feature / factor	GJM1555C1H220JB01D	GJM1555C1H220FB01D	AC0402JRNPO9BN220	GCM1555C1H220FA16D	Compatibility / risk
Package	0402 (1005 metric)	0402 (1005 metric)	0402 (1005 metric)	0402 (1005 metric)	0402 (1005 metric) — Identical package.; AC0402JRNPO9BN220: Identical package.; GCM1555C1H220FA16D: Identical package.
Voltage	50V	50V	-	-	50V — Voltage rating matches.
Tolerance	±5%	±1%	±5%	±1%	±1% / ±5% — Tighter tolerance is a safe upgrade.; AC0402JRNPO9BN220: Tolerance matches.; GCM1555C1H220FA16D: Tighter tolerance is a safe upgrade.
Application	GJM (High-Q RF)	GJM (High-Q RF)	Automotive (AEC-Q200)	GCM (Automotive)	GJM (High-Q RF) / Automotive (AEC-Q200) / GCM (Automotive) — Same high-frequency series.; AC0402JRNPO9BN220: Not specified for high-Q RF.; GCM1555C1H220FA16D: Automotive series, not high-Q RF.
Manufacturer	Murata Electronics	-	Yageo	-	Yageo — Cross-vendor alternative.

Application & sourcing insights

Questions & answers

The best alternative is GJM1555C1H220FB01D. It is from the same Murata GJM high-frequency series and offers a tighter tolerance of ±1%, making it a reliable, pin-compatible upgrade.