
Walsin Technology Corporation
This Walsin capacitor is a pin-compatible upgrade with a tighter ±1% tolerance.
The Walsin 0603N330J500CT is a standard 33pF, 50V, 5% NP0 ceramic capacitor. Numerous pin-compatible alternatives exist, offering direct matches or upgrades.
Key parameters are standard; NP0/C0G is a stable dielectric.
0603 is a universal package size.
Availability may vary between well-known and emerging brands.
Direct replacement for 0603N330J500CT should use only Datasheet verified or Strong match candidates; many approved options still require engineering review.
Direct parametric matches and upgrades are readily available from multiple vendors.
The main risk is sourcing from less-established brands without verifying their quality and reliability for your application's lifecycle.

Walsin Technology Corporation
This Walsin capacitor is a pin-compatible upgrade with a tighter ±1% tolerance.
| Feature / factor | 0603N330J500CT | 0603N330F500CT | CC0603JRNPO0BN330 | CSA0603C0G330J500JT | Compatibility / risk |
|---|---|---|---|---|---|
| Package | 0603 (1608 Metric) | 0603 (1608 Metric) | 0603 (1608 metric) | 0603 | 0603 (1608 Metric) / 0603 (1608 metric) — Same package and pin count.; CC0603JRNPO0BN330: Same package and pin count.; CSA0603C0G330J500JT: Same package and pin count.; FCC0603N330J500CT: Same package and pin count. |
| Tolerance | 5.0 % | 1.0 % | 5.0 % | - | 1.0 % / 5.0 % — Tighter tolerance offers higher precision.; CC0603JRNPO0BN330: Tolerance is identical. |
| Capacitance | 33.0 pF | 33.0 pF | 33.0 pF | 33.0 pF | 33.0 pF — Capacitance is identical.; CC0603JRNPO0BN330: Capacitance is identical.; CSA0603C0G330J500JT: Capacitance is identical.; FCC0603N330J500CT: Capacitance is identical. |
| Voltage | 50.0 V | 50.0 V | 100.0 V | 50.0 V | 50.0 V / 100.0 V — Voltage rating is identical.; CC0603JRNPO0BN330: Higher voltage rating provides more design margin.; CSA0603C0G330J500JT: Voltage rating is identical.; FCC0603N330J500CT: Voltage rating is identical. |
| Dielectric | NP0 (C0G) | - | NP0 (C0G) | C0G (NP0) | NP0 (C0G) / C0G (NP0) — Dielectric material is identical.; CSA0603C0G330J500JT: Dielectric is functionally identical.; FCC0603N330J500CT: Dielectric is functionally identical. |
Verified drop-in options for 0603N330J500CT 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.