
Strong alternative with a higher 1kV voltage rating and matching key specifications.
Finding a substitute for the TDK C3216C0G2J102JT000N 1nF 630V C0G capacitor requires matching its stable dielectric and electrical ratings. Several alternatives offer higher voltage ratings, providing a clear upgrade path.
All viable alternatives are in the same 1206 package.
High risk if substituting with an X7R dielectric; low risk if using a C0G/COG replacement.
Yes, parts like HRE CGA1206C0G102J102MT are strong pin-compatible replacements with a higher voltage rating.
Upgrade to a 1kV-rated C0G capacitor like HRE CGA1206C0G102J102MT for improved voltage margin.
The main risk is substituting with a different dielectric type, such as X7R, which lacks the temperature and voltage stability of C0G.

Strong alternative with a higher 1kV voltage rating and matching key specifications.
| Feature / factor | C3216C0G2J102JT000N | CGA1206C0G102J102MT | TCC1206COG102J102DT | Alt 3 | Compatibility / risk |
|---|---|---|---|---|---|
| Package | 1206 (3216 Metric) | 1206 | 1206 | 1206 — Form factor matches.; TCC1206COG102J102DT: Form factor matches. | |
| Voltage | 630V | 1000V | 1000V | 1000V — Higher voltage rating provides increased design margin.; TCC1206COG102J102DT: Higher voltage rating provides increased design margin. | |
| Dielectric | C0G | C0G | COG | C0G / COG — Matches stable Class 1 dielectric.; TCC1206COG102J102DT: COG is equivalent to C0G, matching stable Class 1 dielectric. | |
| Tolerance | ±5% | ±5% | ±5% | ±5% — Matches tolerance.; TCC1206COG102J102DT: Matches tolerance. | |
| Capacitance | 1nF | 1nF | 1nF | 1nF — Matches capacitance.; TCC1206COG102J102DT: Matches capacitance. |
The best alternatives are C0G/COG dielectric capacitors with at least a 630V rating, like HRE CGA1206C0G102J102MT, which offers a higher 1kV rating.