Needs validationlow risk
A form-fit compatible capacitor with slightly higher capacitance (47nF vs 39nF).
Best Alternatives to TCC0402X7R393K500AT
Finding a substitute for the CCTC TCC0402X7R393K500AT, a 39nF 50V 0402 ceramic capacitor, involves considering parametric alternatives. Since 39nF is a less common value, replacements typically involve moving to the nearest standard values like 33nF or 47nF.
AI replacement insight
Electrical riskmedium
Capacitance difference requires validation. Lower values may compromise performance; higher values are generally safer but can affect timing.
Package risklow
All suggested alternatives use the same 0402 package, ensuring physical compatibility.
Sourcing risklow
Alternatives are from major manufacturers (Murata, HRE, CCTC) and are generally well-stocked.
Can it be replaced directly?
No direct, identical replacements for TCC0402X7R393K500AT were found. However, several form-fit compatible parts with different capacitance values are available. The most suitable choice depends on your circuit's tolerance to capacitance variation.
Best replacement path
The best path is to use a parametric alternative with a nearby standard capacitance value. The 47nF capacitor CGA0402X7R473K500GT is the strongest candidate, as higher capacitance is often acceptable for decoupling. The 33nF options are also viable but require more careful review.
Main risk
The primary risk is capacitance mismatch. Using a capacitor with a different value can affect filter characteristics, timing accuracy, or power supply stability. Always verify the alternative in your specific application.
Recommended alternatives
4Alternative comparison matrix
| Feature / factor | TCC0402X7R393K500AT | CGA0402X7R473K500GT | GCM155R71H333KE02D | CGA0402X7R333K500GT | Compatibility / risk |
|---|---|---|---|---|---|
| Package | 0402 (1005 metric) | 0402 (1005 Metric) | 0402 (1005 metric) | 0402 | 0402 (1005 Metric) / 0402 (1005 metric) — Package size matches, ensuring form and fit compatibility.; GCM155R71H333KE02D: Package size matches.; CGA0402X7R333K500GT: Package size matches.; TCC0402X7R333K500AT: Package size matches. |
| Capacitance | 39nF | 47nF | 33nF | 33nF | 47nF / 33nF — Higher capacitance is often acceptable for decoupling.; GCM155R71H333KE02D: Lower capacitance requires circuit validation.; CGA0402X7R333K500GT: Lower capacitance requires circuit validation.; TCC0402X7R333K500AT: Lower capacitance requires circuit validation. |
| Voltage | 50V | 50V | 50V | 50V | 50V — Voltage rating matches the target's requirement.; GCM155R71H333KE02D: Voltage rating matches.; CGA0402X7R333K500GT: Voltage rating matches.; TCC0402X7R333K500AT: Voltage rating matches. |
| Dielectric | X7R | X7R | - | - | X7R — Dielectric material and temperature characteristics match. |
| Tolerance | ±10% | ±10% | - | - | ±10% — Tolerance is identical to the target part. |
| Application | Commercial | - | AEC-Q200 | - | AEC-Q200 — Automotive grade may be an upgrade. |
Application & sourcing insights
Questions & answers
The best alternative is likely CGA0402X7R473K500GT from HRE. It has a slightly higher capacitance of 47nF but matches all other key specifications like package, voltage, and dielectric. Higher capacitance is often acceptable for general-purpose decoupling.