
Samsung Electro-Mechanics
Upgrade path from Samsung with higher 35V rating and tighter ±10% tolerance in the same 0603 package.
Find pin-compatible substitutes and upgrade paths for the CCTC TCC0603X5R105M250CT, a 1uF 25V 0603 ceramic capacitor. This guide reviews alternatives from TAIYO YUDEN, Samsung, and others.
All candidates have equal or better voltage and tolerance ratings.
All candidates share the same 0603 package, ensuring form and fit compatibility.
Direct replacement for TCC0603X5R105M250CT should use only Datasheet verified or Strong match candidates; many approved options still require engineering review.
Upgrade to a part with a tighter tolerance (±10%) and a higher voltage rating (35V or 50V) for increased design margin and reliability.
The primary risk is minimal, as all reviewed candidates offer equal or superior specifications. However, DC bias characteristics can vary slightly with different voltage ratings.

Samsung Electro-Mechanics
Upgrade path from Samsung with higher 35V rating and tighter ±10% tolerance in the same 0603 package.
| Feature / factor | TCC0603X5R105M250CT | CL10A105KL8NNNC | FCC0603X105K250CT | FCC0603X105K500CT | Compatibility / risk |
|---|---|---|---|---|---|
| Package | 0603 (1608 Metric) | 0603 (1608 Metric) | 0603 (1608 Metric) | 0603 (1608 Metric) | 0603 (1608 Metric) — Package size matches.; FCC0603X105K250CT: Package size matches.; FCC0603X105K500CT: Package size matches.; GMK107BJ105KA-T: Package size matches. |
| Voltage | 25.0 V | 35.0 V | 25.0 V | 50.0 V | 35.0 V / 25.0 V / 50.0 V — Higher voltage rating provides more margin.; FCC0603X105K250CT: Voltage rating matches.; FCC0603X105K500CT: Higher voltage rating provides more margin.; GMK107BJ105KA-T: Higher voltage rating provides more margin. |
| Tolerance | ±20.0% | ±10.0% | ±10.0% | ±10.0% | ±10.0% — Tighter tolerance is a safe improvement.; FCC0603X105K250CT: Tighter tolerance is a safe improvement.; FCC0603X105K500CT: Tighter tolerance is a safe improvement.; GMK107BJ105KA-T: Tighter tolerance is a safe improvement. |
| Dielectric | X5R | - | - | - | X5R — Dielectric material matches. |
Verified drop-in options for TCC0603X5R105M250CT 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.