CDV30EF820GO3F

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Mica and PTFE Capacitors are two of the most popular dielectric materials found in modern electronics. This article explores the application field and working principle of the CDV30EF820GO3F capacitor.

Definition

Ceramic capacitors are electronic components that use a ceramic (mica and PTFE) dielectric material to store energy in the form of an electric field. This capacitor is of a disc variety rated 30V 0.820nF. It is mostly used in the filtering of high-frequency noise and radio frequency interference. These sorts of capacitors are extensively used in the tuning and precision adjustment of oscillators and raceway circuits.

Structure

The CDV30EF820GO3F’s ceramic dielectric is formed from two flat non-insulated electrodes that are pressed together and composed of alternating layers of mica and PTFE dielectric material. There are various configurations of mica and PTFE layers that can be structured within with various thickness such as (83×30) and (100×30) which are common for this component. As with any capacitor also present are two metal electrodes for connecting into circuits.

Basic Working Principle

This type of capacitor works by using the time-varying field or voltage to interfere with the electric field that exists between the two flat electrodes. It is activated when a voltage is applied across the electrodes. This causes a time-varying electric field to build up between them. The electric field generated is then stored within the ceramic dielectric material. This stored energy is then released back as current as the applied voltage decreases.

Application Field

The small electronics-friendly size of the CDV30EF820GO3F makes it an ideal component for mobile radio applications. It can be used as a voltage suppressor for suppressing static voltage, absorb the surge current used to drive the circuit moment of high-frequency noise. Moreover, they are good for temperature compensation, filtered purposes and stable circuit performance.

Being a disc-type capacitor, it has a wide range of applications such as these, though primarily used for high-speed decoupling, switching power supply, EMI filters, signal filtering, matching networks, and PF control. With its high working temperature and stable performance, it is widely used in variable pressure instruments and temperature control equipment.

Conclusion

The CDV30EF820GO3F is a disc-type ceramic capacitor made using a combination of layers of mica and PTFE as its dielectric material. This versatile component can be used in the filtering of high-frequency noise as well as radio frequency interference. It also has applications in variable pressure instruments, temperature control equipment and decoupling, switching power supplies, EMI filters, signal filtering, matching networks, and PF control.

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