Is there a pin-compatible replacement for GJM1555C1H3R3WB01D?

While several capacitors share the same 0402 package and basic electrical values, no verified pin-to-pin functional equivalent has been found. Key differences in tolerance and High-Q characteristics require careful review before substitution.

What risks should I check before replacing GJM1555C1H3R3WB01D?

The main risks are degraded RF performance due to a lower Q-factor, and potential circuit detuning from wider capacitance tolerance. The target is a specialized High-Q part; general-purpose replacements will likely have higher losses at high frequencies.

GJM1555C1H3R3WB01D Alternatives, Datasheet & Cross Reference | Murata Manufacturing Co., Ltd.

GJM1555C1H3R3WB01D is a high-performance 3.3pF 50V C0G capacitor from Murata in an 0402 package, part of the GJM series designed for high-frequency (High-Q) applications.

AI replacement insight

Electrical riskhigh

Mismatch in Q-factor and tolerance can impact circuit tuning and performance.

Package risklow

All candidates share the 0402 package.

Sourcing riskmedium

Some alternatives are NRND or general-purpose, which may be easier to source but functionally different.

Can it be replaced directly?

No direct, verified pin-to-pin replacement has been identified. All candidates have weaker tolerance or are not specified as High-Q, requiring engineering review.

Best replacement path

Finding a direct replacement requires matching the High-Q characteristic. Consider Murata's GCM or Yageo's CC series, but verify RF performance.

Main risk

The primary risk is substituting a general-purpose capacitor for a High-Q part, which can degrade performance (e.g., higher signal loss) in RF circuits.

Recommended alternatives

A 3.3pF 50V 0402 capacitor from Murata with a wider tolerance, designed for automotive use.

View details

Alternative comparison matrix

Feature / factor	GJM1555C1H3R3WB01D	GCM1555C1H3R3BA16D	CC0402BRNPO9BN3R3	Compatibility / risk
Package	0402 (1005 metric)	0402 (1005 metric)	0402 (1005 metric)	0402 (1005 metric) — Form factor matches.; CC0402BRNPO9BN3R3: Form factor matches.
Capacitance	3.3 pF	3.3 pF	-	3.3 pF — Nominal capacitance matches.
Tolerance	±0.05 pF	±0.1 pF	±0.1 pF	±0.1 pF — Candidate tolerance is wider.; CC0402BRNPO9BN3R3: Candidate tolerance is wider.
Application	GJM (High-Q)	GCM (Automotive)	General Purpose	GCM (Automotive) / General Purpose — Candidate is automotive grade, not High-Q.; CC0402BRNPO9BN3R3: Candidate is general purpose, not specified as High-Q.
Voltage	50 V	50 V	-	50 V — Voltage rating matches.
Manufacturer	Murata Electronics	-	Yageo	Yageo — Cross-vendor alternative.

Application & sourcing insights

Questions & answers

The best alternative depends on your application's tolerance for performance changes. Murata's GCM1555C1H3R3BA16D is parametrically close but is an automotive part, not High-Q. Yageo's CC0402BRNPO9BN3R3 is a cross-vendor option with similar tradeoffs. Always verify performance in your circuit.