
Walsin Technology Corporation
Walsin 0603B102K500CT is a strong pin-compatible alternative with matching key electrical parameters.
Find pin-compatible and upgrade alternatives for the FOJAN FCC0603B102K500CT, a 1nF 50V 0603 ceramic capacitor. Options from TDK, CCTC, and Walsin offer direct replacements and automotive-grade upgrades.
Key parameters match across many alternatives. Secondary parameters (ESR, DC bias) are the main variable.
The 0603 package is a standard size, ensuring form and fit compatibility.
This is a common capacitor value with a deep supply chain from multiple vendors.
Yes, several manufacturers offer 1nF, 50V, X7R, 0603 capacitors that are parametrically identical, such as CCTC's TCC0603X7R102K500CT and Walsin's 0603B102K500CT.
Upgrade to an automotive-grade TDK part like CGA3E2X7R1H102KT0Y0N for better reliability or CGA3E2X7R2A102KT0Y0N for a higher voltage rating.
Minor variations in secondary electrical characteristics (like ESR or DC bias) between manufacturers can affect performance in sensitive analog or RF circuits.

Walsin Technology Corporation
Walsin 0603B102K500CT is a strong pin-compatible alternative with matching key electrical parameters.
| Feature / factor | FCC0603B102K500CT | 0603B102K500CT | CGA3E2X7R1H102KT0Y0N | CGA3E2X7R2A102KT0Y0N | Compatibility / risk |
|---|---|---|---|---|---|
| Package | 0603 (1608 metric) | 0603 (1608 Metric) | 0603 (1608 Metric) | 0603 (1608 Metric) | 0603 (1608 Metric) — Same package size and pin count.; CGA3E2X7R1H102KT0Y0N: Same package size and pin count.; CGA3E2X7R2A102KT0Y0N: Same package size and pin count.; TCC0603X7R102K500CT: Same package size and pin count. |
| Voltage | 50.0 V | 50.0 V | 50.0 V | 100.0 V | 50.0 V / 100.0 V — Voltage rating is identical.; CGA3E2X7R1H102KT0Y0N: Voltage rating is identical.; CGA3E2X7R2A102KT0Y0N: Higher voltage rating provides more design margin.; TCC0603X7R102K500CT: Voltage rating is identical. |
| Capacitance | 1.0 nF | 1.0 nF | 1.0 nF | 1.0 nF | 1.0 nF — Capacitance is identical.; CGA3E2X7R1H102KT0Y0N: Capacitance is identical.; CGA3E2X7R2A102KT0Y0N: Capacitance is identical.; TCC0603X7R102K500CT: Capacitance is identical. |
| Application | General | - | Automotive | Automotive | Automotive — Automotive grade offers higher reliability.; CGA3E2X7R2A102KT0Y0N: Automotive grade offers higher reliability. |
| Dielectric | X7R | - | - | - | X7R — Dielectric type is identical. |
| Tolerance | ±10.0% | - | - | - | ±10.0% — Tolerance is identical. |
Verified drop-in options for FCC0603B102K500CT 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.