Needs validationmedium risk
Form-fit compatible 0402 capacitor, but with lower capacitance (27nF vs 33nF) requiring engineering review.
Best Alternatives to FCC0402B333K500AT
Reviewing alternatives for the FOJAN FCC0402B333K500AT, a 33nF 50V 0402 ceramic capacitor. Key considerations for substitutes include matching the X7R dielectric and ensuring capacitance is within circuit tolerance.
AI replacement insight
Electrical riskhigh
Capacitance is a critical parameter; deviation can cause circuit failure.
Package risklow
Many alternatives share the same 0402 package.
Can it be replaced directly?
No direct, one-to-one replacement was identified. All form-fit compatible parts have different capacitance values, requiring engineering review.
Best replacement path
Parametric alternatives with different capacitance.
Main risk
Capacitance mismatch affecting circuit performance.
Recommended alternatives
4Alternative comparison matrix
| Feature / factor | FCC0402B333K500AT | TCC0402X7R273K500AT | CL05B223KB5NNNC | CL05B473KB5VPNC | Compatibility / risk |
|---|---|---|---|---|---|
| Capacitance | 33nF | 27nF | - | - | 47nF — Candidate capacitance is ~42% higher. |
| Package | 0402 (1005 Metric) | 0402 (1005 Metric) | - | - | 0402 — Package size matches. |
| Voltage | 50V | 50V | - | - | 50V — Voltage rating matches. |
| Dielectric | X7R | - | - | - | — |
Application & sourcing insights
Questions & answers
No direct drop-in replacement was found. Several 0402 capacitors are available with the same voltage and dielectric, but differ in capacitance (e.g., 22nF, 27nF, 47nF). These require engineering review.