Independent sourcing support for C0G (NP0) dielectric MLCC capacitors — the standard for precision timing, filtering, RF matching, and high-stability applications.
C0G (also called NP0) is a Class I ceramic dielectric with a near-zero temperature coefficient (±30ppm/°C), virtually no capacitance change with voltage, no aging, and extremely low dissipation factor. C0G MLCC are the gold standard for precision timing, filtering, RF matching, and any application demanding capacitance stability.
| Dielectric Class | Class I — C0G (EIA) / NP0 (industry shorthand) |
|---|---|
| Temperature Coefficient | 0 ± 30ppm/°C |
| Temperature Range | -55°C to +125°C |
| Capacitance Range | 0.1pF – 100nF |
| Voltage Ratings | 16V, 25V, 50V, 100V, 200V, 250V, 500V, 1kV |
| Package Sizes | 0201, 0402, 0603, 0805, 1206, 1210 |
| Aging Rate | 0% (no capacitance aging) |
| Dissipation Factor | Typically < 0.1% |
| C0G (NP0) | X7R | X5R | |
|---|---|---|---|
| Temp. Coefficient | ±30ppm/°C | ±15% | ±15% |
| Temp. Range | -55~+125°C | -55~+125°C | -55~+85°C |
| DC Bias Effect | None | Significant | Significant |
| Aging | None | ~2-5%/decade hr | ~2-5%/decade hr |
| Dissipation Factor | < 0.1% | < 2.5% | < 5% |
| Best For | Precision, RF, Timing | General, Decoupling | Power, High-Cap |
There is no difference. C0G is the EIA (Electronic Industries Alliance) designation, while NP0 is an industry shorthand meaning "Negative-Positive-Zero" — reflecting the near-zero temperature coefficient. Both terms refer to the same Class I dielectric.
C0G uses a paraelectric ceramic formulation (typically calcium zirconate) that does not undergo the ferroelectric domain relaxation seen in Class II dielectrics like X7R and X5R. This means the capacitance remains stable over time, unlike X7R which ages ~2-5% per decade hour.
Commercial C0G MLCC typically reach up to ~100nF in larger packages (1206, 1210). For higher capacitance values at the expense of stability, X7R or X5R are used instead. AIMLCC can help identify the best dielectric for your application.
