FCC0402B104K250AT
FOJAN
Needs validationlow risk
Direct parametric match from a different manufacturer.
Best Alternatives to 0402B104K250CT
The Walsin 0402B104K250CT is a general-purpose 100nF, 25V, X7R ceramic capacitor in a standard 0402 package. Numerous direct and upgraded alternatives are available from multiple manufacturers, ensuring flexible sourcing.
AI replacement insight
Electrical risklow
Many parts match or exceed the 25V rating. Ensure tolerance is not wider than ±10%.
Package risklow
The 0402 (1005 metric) package is a standard size with many compatible options.
Sourcing risklow
This is a high-volume, multi-source component type, making sourcing generally easy.
Can it be replaced directly?
Direct replacement for 0402B104K250CT 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 0402B104K250CT, then review parametric alternatives for package and electrical fit.
Main risk
The primary risk when substituting is selecting a part with a wider tolerance (e.g., ±20%) which can impact the performance of timing or filter circuits.
Recommended alternatives
5Alternative comparison matrix
| Feature / factor | 0402B104K250CT | FCC0402B104K250AT | CS0402KRX7R8BB104 | UMK105B7104KVHF | Compatibility / risk |
|---|---|---|---|---|---|
| Package | 0402 (1005 Metric) | 0402 (1005 metric) | 0402 (1005 metric) | 0402 (1005 Metric) | 0402 (1005 metric) / 0402 (1005 Metric) — Package is form-factor compatible.; CS0402KRX7R8BB104: Package is form-factor compatible.; UMK105B7104KVHF: Package is form-factor compatible.; FCC0402B104K500AT: Package is form-factor compatible. |
| Voltage | 25.0V | 25.0V | 25.0V | 50.0V | 25.0V / 50.0V — Voltage rating is identical.; CS0402KRX7R8BB104: Voltage rating is identical.; UMK105B7104KVHF: Higher voltage rating provides more design margin.; FCC0402B104K500AT: Higher voltage rating provides more design margin. |
| Capacitance | 100.0nF | 100.0nF | 100.0nF | - | 100.0nF — Capacitance is identical.; CS0402KRX7R8BB104: Capacitance is identical. |
| Tolerance | 10.0% | 10.0% | - | - | 10.0% — Tolerance is identical.; FCC0402B104K500AT: Tolerance is identical. |
| Dielectric | X7R | X7R | - | - | X7R — Dielectric is identical. |
| Features | Standard Termination | - | Soft Termination | - | Soft Termination — Adds mechanical robustness against board flex. |
| Qualification | Commercial | - | - | AEC-Q200 | AEC-Q200 — Automotive grade offers higher reliability. |
Application & sourcing insights
Questions & answers
Verified drop-in options for 0402B104K250CT 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.