GJM1555C1H390GB01D
Murata Electronics
Needs validationlow risk
A pin-compatible alternative from the same manufacturer with a tighter tolerance (±2% vs ±5%).
Best Alternatives to GJM1555C1H390JB01D
The Murata GJM1555C1H390JB01D is a 39pF, 50V, 0402 high-Q ceramic capacitor for RF applications. Several pin-compatible and functional alternatives exist, but require careful review of tolerance and series characteristics.
AI replacement insight
Electrical riskmedium
Substituting with a different series or manufacturer requires verifying secondary parameters like Q-factor and ESR.
Package risklow
All top candidates share the same 0402 package, minimizing physical layout risks.
Can it be replaced directly?
Direct replacement for GJM1555C1H390JB01D should use only Datasheet verified or Strong match candidates; many approved options still require engineering review.
Best replacement path
GJM1555C1H390GB01D is the best path, being an upgrade in tolerance within the same manufacturer and series.
Main risk
The main risk is substituting with a part from a different series (e.g., automotive GCM) which may not meet the high-Q performance needed for RF circuits.
Recommended alternatives
3Alternative comparison matrix
| Feature / factor | GJM1555C1H390JB01D | GJM1555C1H390GB01D | CC0402FRNPO9BN390 | GCM1555C1H390JA16D | Compatibility / risk |
|---|---|---|---|---|---|
| Package | 0402 (1005 metric) | 0402 (1005 metric) | 0402 (1005 metric) | 0402 (1005 metric) | 0402 (1005 metric) — Identical package ensures form and fit.; CC0402FRNPO9BN390: Identical package ensures form and fit.; GCM1555C1H390JA16D: Identical package ensures form and fit. |
| Voltage | 50.0V | 50.0V | - | - | 50.0V — Voltage rating matches. |
| Capacitance | 39pF | 39pF | - | - | 39pF — Capacitance value matches. |
| Tolerance | ±5.0% | ±2.0% | ±1.0% | - | ±2.0% / ±1.0% — Tighter tolerance is an upgrade.; CC0402FRNPO9BN390: Tighter tolerance is an upgrade. |
| Application | GJM | GJM | - | GCM (Automotive) | GJM / GCM (Automotive) — Same High-Q series.; GCM1555C1H390JA16D: Candidate is automotive grade, target is High-Q. |
| Manufacturer | Murata Electronics | - | Yageo | - | Yageo — Cross-vendor alternative. |
| Electrical | 39pF, 50V | - | 39pF, 50V | 39pF, 50V, ±5% | 39pF, 50V / 39pF, 50V, ±5% — Capacitance and voltage match.; GCM1555C1H390JA16D: Key electrical parameters match. |
| Qualification | Commercial | - | - | AEC-Q200 | AEC-Q200 — Candidate is automotive qualified. |
Application & sourcing insights
Questions & answers
Verified drop-in options for GJM1555C1H390JB01D 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.