
This TDK capacitor is a strong parametric match from a major brand, with the same package and key electricals.
TCC0402X5R104K500AT is a general-purpose 100nF 50V 0402 ceramic capacitor. Several pin-compatible replacements and functional alternatives with wider temperature ranges are readily available from major manufacturers.
The 0402 package is standardized, making physical replacement straightforward.
Using an X7R part instead of X5R requires review, as temperature characteristics differ. A tolerance downgrade is a high risk.
This is a very common capacitor value with many manufacturers and high availability.
Direct replacement for TCC0402X5R104K500AT should use only Datasheet verified or Strong match candidates; many approved options still require engineering review.
C1005X5R1H104KT000F from TDK is the best direct replacement, matching all key parameters.
The primary risk is substituting with a capacitor that has a different dielectric, such as X7R, which alters capacitance stability over temperature.

This TDK capacitor is a strong parametric match from a major brand, with the same package and key electricals.
| Feature / factor | TCC0402X5R104K500AT | C1005X5R1H104KT000F | HGC0402R5104K500NTEJ | FCC0402B104K500AT | Compatibility / risk |
|---|---|---|---|---|---|
| Package | 0402 (1005 metric) | 0402 (1005 Metric) | 0402 (1005 metric) | 0402 (1005 metric) | 0402 (1005 Metric) / 0402 (1005 metric) — Package size matches.; HGC0402R5104K500NTEJ: Package size matches.; FCC0402B104K500AT: Package size matches.; GRM155R71H104KE14J: Package size matches. |
| Voltage | 50V | 50V | 50V | - | 50V — Voltage rating matches.; HGC0402R5104K500NTEJ: Voltage rating matches. |
| Capacitance | 100nF | 100nF | 100nF | - | 100nF — Capacitance value matches.; HGC0402R5104K500NTEJ: Capacitance value matches. |
| Dielectric | X5R | X5R | X5R | X7R | X5R / X7R — Dielectric material matches.; HGC0402R5104K500NTEJ: Dielectric material matches.; FCC0402B104K500AT: Dielectric affects temperature characteristics.; GRM155R71H104KE14J: Dielectric affects temperature characteristics. |
| Temperature | -55°C to +85°C | -55°C to +85°C | - | -55°C to +125°C | -55°C to +85°C / -55°C to +125°C — Operating temperature range matches.; FCC0402B104K500AT: Wider operating temperature range.; GRM155R71H104KE14J: Wider operating temperature range. |
| Tolerance | ±10% | - | ±10% | - | ±10% — Tolerance matches. |
| Manufacturer | CCTC | - | - | - | Murata Electronics — Well-known manufacturer. |
Verified drop-in options for TCC0402X5R104K500AT 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.