
A strong alternative with identical package, voltage, and dielectric, but slightly higher capacitance.
Find and compare alternatives for the CCTC TCC0402X7R203K500AT, a 20nF 50V 0402 X7R ceramic capacitor. This page provides reviewed substitutes, focusing on parametric and form-fit compatibility.
Key risks are capacitance value and DC bias characteristics. Voltage and dielectric match.
All strong candidates share the same 0402 package, ensuring form-fit compatibility.
No exact drop-in replacement is listed, but TCC0402X7R223K500AT (22nF) is a strong candidate for most applications. Always verify in your circuit.
Use a 22nF or 18nF capacitor like TCC0402X7R223K500AT, which are standard values and parametrically very close.
The primary risk is capacitance mismatch. Substitutes must be carefully chosen to ensure they meet the circuit's timing or filtering requirements.

A strong alternative with identical package, voltage, and dielectric, but slightly higher capacitance.
| Feature / factor | TCC0402X7R203K500AT | TCC0402X7R223K500AT | TCC0402X7R183K500AT | TCC0402X7R153K500AT | Compatibility / risk |
|---|---|---|---|---|---|
| Package | 0402 | 0402 (1005 Metric) | 0402 | 0402 | 0402 (1005 Metric) — Identical package ensures form-fit compatibility.; TCC0402X7R183K500AT: Identical package ensures form-fit compatibility.; TCC0402X7R153K500AT: Identical package ensures form-fit compatibility. |
| Voltage | 50.0V | 50.0V | 50.0V | 50.0V | 50.0V — Voltage rating matches the target.; TCC0402X7R183K500AT: Voltage rating matches the target.; TCC0402X7R153K500AT: Voltage rating matches the target. |
| Capacitance | 20.0nF | 22.0nF | 18.0nF | 15.0nF | 22.0nF / 18.0nF / 15.0nF — Slightly higher capacitance (+10%), often acceptable. 22nF is a standard E6 value.; TCC0402X7R183K500AT: Slightly lower capacitance (-10%), within target's tolerance band.; TCC0402X7R153K500AT: Lower capacitance (-25%). Requires careful circuit analysis. |
| Tolerance | 10.0% | 10.0% | 10.0% | - | 10.0% — Tolerance matches the target.; TCC0402X7R183K500AT: Tolerance matches the target. |
| Dielectric | X7R | X7R | - | - | X7R — Dielectric material matches, ensuring similar temperature characteristics. |
The best alternatives for TCC0402X7R203K500AT are TCC0402X7R223K500AT (22nF) or TCC0402X7R183K500AT (18nF). They share the same package, voltage, and dielectric, with only a minor difference in capacitance.