CDV30FF221GO3

Mica and PTFE Capacitors – CDV30FF221GO3 Application Field and Working Principle

Mica and PTFE capacitors, including the CDV30FF221GO3 in particular, are versatile components that are used in a wide variety of industrial, medical and consumer applications. This typical capacitor is a high-voltage, surface-mount conformal coated device. Not only it can be used up to a dielectric voltage of 300 volts, but its high temperature and high reliability characteristics on top of its broad temperature range of -55 °C to +125 °C make it ideal for various purposes.

The CDV30FF221GO3 has two different categories of applications, namely AC ripple-current filtering and by-passing. They are typically used in applications such as audio equipments, safety power supplies, PDP modules and electric toys. They also provide a great performance in high frequency filters.

Mica capacitors (including commercialgrade PTFE or polytetrafluoroethylene capacitors) consist of two “plates” fixed to a mica substrate, which is a thin insulating layer. The core ingredient of these capacitors is the mica material, which is an insulating powder that forms a solid dielectric layer when it is compressed between two electrodes. The electrical property of the mica powder is very stable, making it ideal for most applications. This type of capacitor can be used in high temperature environments thanks to its exceptional thermal properties. The mica dielectric layer also provides excellent self-healing capabilities, so that any faulty areas of the capacitor will not affect its performance. These capacitors exhibit high insulation resistance, making them suitable for use in situations where high voltage is required.

The working principle of the CDV30FF221GO3 is very simple. When the device is connected to a power source, current flows through the two plates. The mica dielectric layer provides a pathway for the current, allowing it to pass through the two plates and store charge. As the charge builds up, the capacitor stores energy in the form of an electric field. When the electric field builds up to a certain level, the stored energy will cause the plates to “leak” the stored energy into the surrounding environment. This is how the CDV30FF221GO3 acts as a filter, allowing only the desired frequencies to pass through the capacitor and preventing the undesired frequencies from doing the same.

The CDV30FF221GO3 can be used in a wide range of applications due to its exceptional performance capabilities and its broad temperature range. It is designed to perform reliably even in extreme conditions, allowing it to be used in high temperature and high voltage environments. The device offers high insulation resistance and excellent self-healing characteristics, making it a popular choice for many applications. With its outstanding electrical performance and reliable operation, the CDV30FF221GO3 can be used in many industrial, medical and consumer devices.