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Mica capacitors are passive electronic components that utilize mica as the dielectric material. Known for their stability and reliability, these capacitors are typically constructed with metal electrodes and a thin layer of mica, which provides excellent insulation properties. They are widely used in various electronic applications due to their high precision and low loss characteristics.
| Dielectric material | Mica |
| Capacitance range | 1 pF to 1 µF |
| Voltage rating | 50 V to 1000 V |
| Temperature coefficient | ±5 ppm/°C to ±30 ppm/°C |
| Tolerance | ±1% to ±10% |
| Package type | Axial or radial |
When selecting mica capacitors, buyers should consider the required capacitance value, voltage rating, and tolerance for their specific application. It's also essential to specify the temperature coefficient and package type needed. Certifications and grades may be relevant for specialized industries such as aerospace or medical, so buyers should inquire about these when requesting quotes.
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Mica capacitors offer high stability, low loss, and excellent frequency characteristics.
Yes, they are well-suited for high-frequency applications due to their low dielectric loss.
Mica capacitors can have a long lifespan, often exceeding 20 years under proper conditions.
Yes, mica capacitors have specific temperature coefficients that affect their performance.
Choose a capacitance value based on the specific requirements of your circuit design.
They are commonly used in aerospace, telecommunications, and medical equipment.