Silver mica capacitors
Silver mica capacitors are selected for RF and high-frequency circuits that require high stability, low losses and tight tolerances. In this category you can find components for filters, oscillators, tuned circuits and other applications where electrical reliability and capacitance stability are critical.
Order code: CMA-5P1
Cornell Dubilier CD15FC(5.1)DO3
Silver mica capacitor, 5.1pF, ±0.5pF, 300V
Stock: 224 pcs
Order code: CMA-60P4
Cornell Dubilier D155E(60.4)DO3
Silver mica capacitor, 60.4pF, ±0.5pF, 300V
Stock: 10 pcs
Order code: CMA-61P9
Cornell Dubilier D155E(61.9)DO3
Silver mica capacitor, 61.9pF, ±0.5pF, 300V
Stock: 370 pcs
Order code: CMA-82P5-A
Cornell Dubilier CD15ED(82.5)DO3
Silver mica capacitor, 82.5pF, ±0.5pF, 500V
Stock: 708 pcs
Order code: CMA-90P9
Cornell Dubilier D155F(90.9)DO3
Silver mica capacitor, 90.9pF, ±0.5pF, 300V
Stock: 395 pcs
Silver Mica Capacitors for RF Circuits and High-Stability Applications
Silver mica capacitors are precision passive components designed for circuits where stability, low loss, and controlled tolerance are essential. They are widely used in RF circuits, oscillators, filters, resonant networks, test equipment, and tuning applications, where capacitance must remain consistent over time and under changing operating conditions.
Compared with many general-purpose ceramic capacitors, silver mica capacitors offer more predictable performance in demanding designs, with excellent thermal stability, low dielectric loss, and reliable capacitance consistency. This makes them a strong choice for electronic applications where capacitance accuracy matters, especially in RF and other stability-sensitive circuits.
Key Features
- Excellent capacitance stability over time
- Tight tolerances for precision circuit design
- Low dielectric losses, suitable for RF applications
- Long-term reliability in demanding operating conditions
- Available in a range of capacitance values, voltage ratings, and tolerance options
Typical Applications
Silver mica capacitors are commonly used in:
- RF filters and resonant circuits
- Oscillators and VFO designs
- Tuning and matching networks
- Measurement and calibration equipment
- High-stability circuits
- Legacy electronics, radio systems, and laboratory equipment
How to Choose a Silver Mica Capacitor
When selecting the right component, it is useful to consider:
- Capacitance value (pF)
- Required tolerance
- Voltage rating
- Body size and lead spacing
- The intended application, such as RF, timing, filtering, tuning, or measurement
Available Range
The range typically includes models with:
- Capacitance values from low pF ranges up to tens of thousands of pF
- Tolerances of ±1%, ±2%, and ±5%
- Voltage ratings of 100 V, 300 V, 500 V, and higher, depending on series
- RoHS-compliant options
FAQ
Are silver mica capacitors suitable for RF applications?
Yes. They are widely used in RF and high-stability circuits thanks to their low loss characteristics and consistent capacitance behavior.
When should I choose a silver mica capacitor instead of a ceramic capacitor?
Silver mica capacitors are often preferred when the circuit requires better stability, tighter tolerance control, and more predictable performance than many general-purpose ceramic dielectrics can provide.
What capacitance values are typically available?
Availability depends on the series, but silver mica capacitors are generally offered in picofarad values for precision, RF, and frequency-sensitive applications.
