Non Magnetic Sapphire Dielectric

  • Non-Magnetic structure
  • Capacitance
0.5pF ~ 13pF
  • Mounting
SMD
  • Operating Temp
-55°C ~ 125°C
  • RoHS
ROHS
  • Voltage Rated DC
500V ~ 1500V

Typical applications :

  • MRI coils
Compliance and certifications
certification
Custom Qualification Plan
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Frequently Asked Questions

Find answers to the most frequently asked questions about our products and services.
Mica Dielectric Capacitor Technology

This natural mineral insulator has outstanding dielectric properties that are ideal for long-life high-stability capacitors with low loss at all frequencies, and high dielectric strength. This type of capacitor is used particularly for high frequency and delay line applications, oscillating circuits, emission devices and calibrators.

Mica dielectric capacitor technology allows for several custom design applications including: 

  • High voltage capacitors (up to 50 kV)
  • High temperature capacitors (up to 250°C)
  • Precision capacitors (up to ± 0.1%)
  • High stability capacitors (– 20 + 30 ppm/°C)
  • High frequency capacitors ( up to several GHz). 

The majority of these capacitors are manufactured to comply to specifications NF-C-83120;MIL-C-5 and MIL-PRF-39001 standards.

 

Mica capacitors are noted for the following characteristics:

  • Temperature performance
  • Low loss at all frequencies
  • High dielectric strength
  • Stability over time
What are the typical specifications of dielectric tuning elements?

Dielectric Tuning Elements are used whenever the lowest loss tuning for high frequency applications is required. When dielectric rod is introduced into a cavity, the self resonant frequency is lowered due to the cavity “appearing” larger. 

 

 The basic dielectrics used in Exxelia Ceramics Microwave Tuning Elements are sapphire, quartz and alumina. 

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