GJM1555C1H3R9WB01D
Murata Electronics
Needs validationlow risk
Excellent upgrade with identical capacitance and package, plus tighter tolerance and High-Q rating.
Best Alternatives to GRM1555C1H3R9CA01D
GRM1555C1H3R9CA01D is a 3.9pF, 50V, 0402 general-purpose ceramic capacitor that is now Not Recommended for New Designs (NRND). Several active, pin-compatible alternatives and upgrades are available from Murata and other manufacturers.
AI replacement insight
Electrical risklow
Key electricals match or are improved. Minor capacitance differences in some candidates require review.
Package risklow
All viable candidates use the same 0402 package, ensuring form-fit compatibility.
Sourcing risklow
The target is NRND; all proposed alternatives are active and available from multiple sources.
Can it be replaced directly?
Yes, GJM1555C1H3R9WB01D is an excellent direct replacement for GRM1555C1H3R9CA01D, offering identical capacitance and voltage in the same package with improved tolerance.
Best replacement path
The best replacement path is to use Murata's GJM1555C1H3R9WB01D or GJM1555C1H3R9BB01D. They match all critical parameters and offer an upgrade in tolerance and High-Q performance.
Main risk
The primary risk is application-specific. While High-Q capacitors (GJM series) are an upgrade, their different frequency characteristics might be unnecessary or have minor effects in non-RF circuits.
Recommended alternatives
4Alternative comparison matrix
| Feature / factor | GRM1555C1H3R9CA01D | GJM1555C1H3R9WB01D | GJM1555C1H3R9BB01D | CC0402BRNPO9BN4R0 | Compatibility / risk |
|---|---|---|---|---|---|
| Package | 0402 (1005 metric) | 0402 (1005 metric) | 0402 (1005 metric) | 0402 (1005 metric) | 0402 (1005 metric) — Identical package ensures form-fit compatibility.; GJM1555C1H3R9BB01D: Identical package ensures form-fit compatibility.; CC0402BRNPO9BN4R0: Identical package ensures form-fit compatibility.; GCM1555C1H4R0CA16D: Identical package ensures form-fit compatibility. |
| Capacitance | 3.9 pF | 3.9 pF | 3.9 pF | 4.0 pF | 3.9 pF / 4.0 pF — Identical capacitance value.; GJM1555C1H3R9BB01D: Identical capacitance value.; CC0402BRNPO9BN4R0: Slightly higher capacitance, within 3% of target.; GCM1555C1H4R0CA16D: Slightly higher capacitance, within 3% of target. |
| Tolerance | ±0.25 pF | ±0.05 pF | ±0.1 pF | ±0.1 pF | ±0.05 pF / ±0.1 pF / ±0.25 pF — Tighter tolerance provides higher precision.; GJM1555C1H3R9BB01D: Tighter tolerance provides higher precision.; CC0402BRNPO9BN4R0: Tighter tolerance provides higher precision.; GCM1555C1H4R0CA16D: Tolerance matches the target. |
| Voltage | 50 V | 50 V | 50 V | 50 V | 50 V — Voltage rating matches the target.; GJM1555C1H3R9BB01D: Voltage rating matches the target.; CC0402BRNPO9BN4R0: Voltage rating matches the target. |
| Series | GRM (General) | GJM (High-Q) | GJM (High-Q) | - | GJM (High-Q) / GCM (Automotive) — High-Q series offers better performance in high-frequency circuits.; GJM1555C1H3R9BB01D: High-Q series offers better performance in high-frequency circuits.; GCM1555C1H4R0CA16D: Automotive grade offers higher reliability. |
| Manufacturer | Murata Electronics | - | - | Yageo | Yageo — Alternative manufacturer. |
Application & sourcing insights
Questions & answers
The best alternative is GJM1555C1H3R9WB01D from Murata. It has the same 3.9pF capacitance, 50V rating, and 0402 package, but offers a significantly tighter tolerance of ±0.05pF and is a High-Q part suitable for high-frequency applications.