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High-Performance Silvered Mica capacitors for RF, military & aerospace applications

Space
Stability
Defense
Capacitors
MIL
09/09/2025

Exxelia presents four series of dipped mica capacitors

Unlike other capacitor technologies, mica capacitors offer exceptional stability and reliability without unwanted characteristics. As a trusted supplier, Exxelia dipped silvered mica capacitors are widely used in military, aerospace, medical and instrumentation industries.

Mica capacitors are valued for their stability and reliable performance across a wide range of applications. They maintain consistent electrical characteristics over time and across temperature variations, making them suitable for use in critical environments.

Exxelia’s silvered mica capacitors are designed to offer performance, stability, precision and reliability, and include series designed as per MIL standards. They offer a high Q factor that reduces energy loss, enhancing efficiency, particularly in RF applications. These capacitors are designed to withstand demanding conditions, supporting voltage ratings up to 1kV DC and operating temperatures up to +150°C. Besides, Exxelia offers custom design option and ensures long-term product availability without obsolescence.

 

CLICK HERE to get the full overview of Exxelia's four series of silvered mica capacitors

High reliability / High precision Mica Capacitors :

 

The CMR Series Mica Capacitors built to MIL-PRF-39001 standards, exemplifies precision and reliability. Ideal for RF applications, these RF mica capacitors deliver a high Q factor, ensuring minimal energy loss and consistent performance even under extreme conditions, with a capacitance range from 1 pF to 12,000 pF and voltage ratings up to 500V. Operating across a temperature span of -55°C to +150°C, they are engineered for environments where performance is non-negotiable.

 

 


 
CA Series Mica CapacitorsThe CA Series Mica Capacitors rounds out the offering with its superior capabilities in high-rel applications. Featuring capacitance values from 0.005 nF to 0.1 µF and voltage ratings up to 1kV, these silvered mica capacitors excel in RF and microwave applications. 

Operating within a temperature range of -55°C to +125°C, they combine a high Q factor and low ESR to deliver exceptional performance and minimal energy loss in the most demanding conditions.

 

MF Series Mica Capacitors

 


Complementing these ranges is the MF Series Mica Capacitors, a high-reliability solution crafted for precision in critical applications. With capacitance values spanning from 4.7 pF to 33 nF and voltage ratings up to 1kV, these dipped mica capacitors deliver excellent temperature stability and high Q performance, particularly suited for RF systems and sensitive instrumentation. Their compact design and reliable performance make them a trusted choice for precision-oriented technologies.

 

 

High temperature Mica Capacitors :

 

CM Series Mica CapacitorsFor applications requiring robust endurance at elevated temperatures, the CM Series Mica Capacitors is the go-to choice. Designed to operate at high temperatures up to +150°C and conforming to MIL-C-5 standards, these mica dielectric capacitors combine exceptional thermal stability with capacitance values between 200 pF and 12,000 pF and voltage ratings up to 500V. Their low dielectric losses make them indispensable in sectors like aerospace and military, where resilience in harsh environments is crucial.

 

 

 

 

Comparison table

SeriesDielectricCapacitance rangeRated voltagePrecisionOperating temperature
CMR SeriesSilvered mica1 pF à 12 000 pFUp to 500 V±2%-55°C to +125°C
CA SeriesSilvered mica0.005nF ~ 0.1µFUp to 1 kV±2%-55°C to +125°C
MF SeriesSilvered mica4.7pF ~ 33nFUp to 1 kV±2%-55°C to +125°C
CM SeriesSilvered mica10 pF - 1 µFUp to 1.5 kV±1%, ±2%, ±5%, ±10%-55°C to +150°C


These four series demonstrate the versatility and durability of silvered mica capacitors, providing customized solutions for a broad spectrum of critical applications across industries that demand the highest levels of precision and reliability.

 

CLICK HERE to get the full overview of Exxelia's four series of silvered mica capacitors.

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