GJM1555C1H3R9WB01D
Murata Electronics
Needs validationlow risk
An excellent upgrade with identical specs and tighter tolerance (±0.05pF vs ±0.1pF).
Best Alternatives to GJM1555C1H3R9BB01D
Reviewing substitutes for the Murata GJM1555C1H3R9BB01D, a 3.9pF 50V High-Q 0402 MLCC. Key considerations are matching the High-Q characteristic, capacitance, and tolerance for RF applications.
AI replacement insight
Electrical riskhigh
Using a non-High-Q part can degrade performance in RF or tuning circuits.
Package risklow
All reviewed candidates use the same 0402 package.
Sourcing riskmedium
High-Q capacitors can have different availability than general-purpose parts.
Can it be replaced directly?
Direct replacement for GJM1555C1H3R9BB01D should use only Datasheet verified or Strong match candidates; many approved options still require engineering review.
Best replacement path
The best path is the upgrade to GJM1555C1H3R9WB01D for tighter tolerance or GJM1555C1H4R0BB01D for a very close match.
Main risk
Substituting with a non-High-Q capacitor (e.g., a general-purpose series) can negatively impact circuit performance at high frequencies.
Recommended alternatives
4Alternative comparison matrix
| Feature / factor | GJM1555C1H3R9BB01D | GJM1555C1H3R9WB01D | GJM1555C1H4R0BB01D | GCM1555C1H4R0CA16D | Compatibility / risk |
|---|---|---|---|---|---|
| Package | 0402 (1005 metric) | 0402 (1005 metric) | 0402 (1005 metric) | 0402 (1005 metric) | 0402 (1005 metric) — Identical package and pin count.; GJM1555C1H4R0BB01D: Identical package and pin count.; GCM1555C1H4R0CA16D: Identical package and pin count.; CC0402BRNPO9BN4R0: Identical package and pin count. |
| Voltage | 50.0V | 50.0V | - | - | 50.0V — Voltage rating is identical. |
| Capacitance | 3.9e-12F | 3.9e-12F | 4.0e-12F | 4.0e-12F | 3.9e-12F / 4.0e-12F — Capacitance is identical.; GJM1555C1H4R0BB01D: Slightly higher capacitance (+2.5%).; GCM1555C1H4R0CA16D: Slightly higher capacitance (+2.5%).; CC0402BRNPO9BN4R0: Slightly higher capacitance (+2.5%). |
| Tolerance | ±0.1pF | ±0.05pF | ±0.1pF | ±0.25pF | ±0.05pF / ±0.1pF / ±0.25pF — Candidate has tighter tolerance.; GJM1555C1H4R0BB01D: Tolerance is identical.; GCM1555C1H4R0CA16D: Looser tolerance is a downgrade. |
| Application | GJM (High-Q) | GJM (High-Q) | GJM (High-Q) | GCM (Automotive) | GJM (High-Q) / GCM (Automotive) / General Purpose — Both are from the same High-Q series.; GJM1555C1H4R0BB01D: Both are from the same High-Q series.; GCM1555C1H4R0CA16D: Candidate is not a High-Q series.; CC0402BRNPO9BN4R0: Candidate is not a High-Q series. |
| Manufacturer | Murata Electronics | - | - | - | Yageo — Cross-vendor alternative. |
Application & sourcing insights
Questions & answers
Verified drop-in options for GJM1555C1H3R9BB01D 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.