GCM1555C1H121FA16D
Murata Electronics
Needs validationlow risk
AEC-Q200 qualified, pin-compatible match with an improved tolerance (±1% vs ±5%).
Best Alternatives to GCM1555C1H121JA16D
GCM1555C1H121JA16D is a 120pF, 50V, 0402 automotive-grade MLCC from Murata. Key considerations for replacement are matching the AEC-Q200 qualification, C0G dielectric, and package size.
AI replacement insight
Electrical risklow
Low if key parameters and grade are matched. Tighter tolerance is generally safe.
Package riskhigh
High if a different package size is considered, as it requires a PCB redesign.
Sourcing risklow
Automotive grade parts can have stricter supply chains, but the part is common.
Can it be replaced directly?
Direct replacement for GCM1555C1H121JA16D should use only Datasheet verified or Strong match candidates; many approved options still require engineering review.
Best replacement path
The best path is finding another AEC-Q200 qualified, 120pF, 50V, C0G capacitor in a 0402 package, like GCM1555C1H121FA16D, which offers a tighter tolerance.
Main risk
The main risk is using a non-automotive grade part or a part with a different package size, which would require requalification or a board redesign.
Recommended alternatives
2Alternative comparison matrix
| Feature / factor | GCM1555C1H121JA16D | GCM1555C1H121FA16D | GRM0335C1H121JA01D | Alt 3 | Compatibility / risk |
|---|---|---|---|---|---|
| Package | 0402 (1005 metric) | 0402 (1005 metric) | 0201 (0603 Metric) | 0402 (1005 metric) / 0201 (0603 Metric) — matched; GRM0335C1H121JA01D: Requires PCB redesign. | |
| Tolerance | ±5% | ±1% | - | ±1% — Tighter tolerance is a safe upgrade. | |
| Application | AEC-Q200 | AEC-Q200 | General Purpose | AEC-Q200 / General Purpose — matched; GRM0335C1H121JA01D: Candidate is not AEC-Q200 qualified. | |
| Capacitance | 120 pF | 120 pF | 120 pF | 120 pF — matched; GRM0335C1H121JA01D: matched | |
| Voltage | 50 V | 50 V | 50 V | 50 V — matched; GRM0335C1H121JA01D: matched | |
| Dielectric | C0G (NP0) | - | C0G (NP0) | C0G (NP0) — matched |
Application & sourcing insights
Questions & answers
Verified drop-in options for GCM1555C1H121JA16D 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.