GJM1555C1H3R9BB01D
Murata Electronics
Needs validationlow risk
Strongest candidate; matches capacitance, voltage, and series but has a slightly wider tolerance.
Best Alternatives to GJM1555C1H3R9WB01D
GJM1555C1H3R9WB01D is a 3.9pF 50V High-Q MLCC from Murata in a 0402 package, notable for its very tight ±0.05pF tolerance. Finding a replacement requires careful matching of capacitance, tolerance, and High-Q characteristics.
AI replacement insight
Electrical riskhigh
Tolerance and Q-factor are critical for target's likely applications. Mismatches can cause circuit failure.
Package risklow
The 0402 package is standard and all viable candidates match the form factor.
Sourcing riskmedium
High-precision components can have limited availability. Alternatives may be easier to source but carry performance risks.
Can it be replaced directly?
Direct replacement for GJM1555C1H3R9WB01D should use only Datasheet verified or Strong match candidates; many approved options still require engineering review.
Best replacement path
The best path is another Murata GJM series capacitor with 3.9pF capacitance and the next closest tolerance, like GJM1555C1H3R9BB01D.
Main risk
The primary risk is functional failure in precision applications (like RF filters or oscillators) due to mismatched capacitance, wider tolerance, or lower Q-factor.
Recommended alternatives
2Alternative comparison matrix
| Feature / factor | GJM1555C1H3R9WB01D | GJM1555C1H3R9BB01D | GJM1555C1H4R0BB01D | Alt 3 | Compatibility / risk |
|---|---|---|---|---|---|
| Package | 0402 (1005 metric) | 0402 (1005 metric) | 0402 (1005 metric) | 0402 (1005 metric) — Form and fit match.; GJM1555C1H4R0BB01D: Form and fit match. | |
| Voltage | 50.0V | 50.0V | - | 50.0V — Voltage rating matches. | |
| Capacitance | 3.9pF | 3.9pF | 4.0pF | 3.9pF / 4.0pF — Nominal capacitance matches.; GJM1555C1H4R0BB01D: Slightly higher capacitance. | |
| Tolerance | ±0.05pF | ±0.1pF | ±0.1pF | ±0.1pF — Candidate has wider tolerance.; GJM1555C1H4R0BB01D: Candidate has wider tolerance. | |
| Series | GJM (High-Q) | GJM (High-Q) | GJM (High-Q) | GJM (High-Q) — Both are High-Q parts.; GJM1555C1H4R0BB01D: Both are High-Q parts. |
Application & sourcing insights
Questions & answers
Verified drop-in options for GJM1555C1H3R9WB01D 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.