FCC0402B681K500AT
FOJAN
Needs validationlow risk
This FOJAN capacitor is a strong alternative with identical package, capacitance, voltage, and dielectric.
Best Alternatives to TCC0402X7R681K500AT
TCC0402X7R681K500AT is a general-purpose 680pF, 50V, X7R ceramic capacitor in a 0402 package. Several cross-vendor alternatives with matching key parameters are available for consideration.
AI replacement insight
Electrical riskmedium
Risk of performance change if dielectric or capacitance is not matched.
Package risklow
0402 is a standard package with many compatible options.
Sourcing risklow
This is a high-volume, multi-source component type.
Can it be replaced directly?
Direct replacement for TCC0402X7R681K500AT should use only Datasheet verified or Strong match candidates; many approved options still require engineering review.
Best replacement path
Start with Datasheet verified or Strong match candidates for TCC0402X7R681K500AT, then review parametric alternatives for package and electrical fit.
Main risk
The main risk is substituting with a part that has a different capacitance value or dielectric type (e.g., C0G instead of X7R), which can affect circuit performance.
Recommended alternatives
2Alternative comparison matrix
| Feature / factor | TCC0402X7R681K500AT | FCC0402B681K500AT | GCM1555C1H681JA16D | Alt 3 | Compatibility / risk |
|---|---|---|---|---|---|
| Package | 0402 (1005 metric) | 0402 (1005 Metric) | 0402 (1005M) | 0402 (1005 Metric) / 0402 (1005M) — Identical package ensures form and fit.; GCM1555C1H681JA16D: Package size is compatible. | |
| Capacitance | 680pF | 680pF | - | 680pF — Capacitance matches target value. | |
| Voltage | 50V | 50V | - | 50V — Voltage rating matches target. | |
| Dielectric | X7R | X7R | C0G (EIA) | X7R / C0G (EIA) — Dielectric type matches, ensuring similar temperature characteristics.; GCM1555C1H681JA16D: C0G is more stable but functionally different from X7R. | |
| Tolerance | ±10% | ±10% | ±5% | ±10% / ±5% — Tolerance matches target.; GCM1555C1H681JA16D: Tighter tolerance is an upgrade. | |
| Application | General Purpose | - | AEC-Q200 | AEC-Q200 — Candidate is automotive qualified. |
Application & sourcing insights
Questions & answers
Verified drop-in options for TCC0402X7R681K500AT 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.