CDV30EK430FO3

Series:	CDV30
Packaging:	Bulk
Lead Free Status / RoHS Status:	--
Part Status:	Active
Moisture Sensitivity Level (MSL):	--
Capacitance:	43pF
Tolerance:	±1%
Voltage - Rated:	2.5kV
Dielectric Material:	Mica
Operating Temperature:	-55°C ~ 125°C
Mounting Type:	Through Hole
Package / Case:	Radial
Lead Spacing:	--
Features:	General Purpose
Size / Dimension:	--
Height - Seated (Max):	--

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Mica and PTFE Capacitors

Capacitors are essential components of electrical equipment and are found in virtually all electronic circuits. Mica and PTFE capacitors, such as the CDV30EK430FO3, represent a relatively new generation of capacitors and offer several advantages compared to traditional aluminum electrolytic capacitors.

Applications

Mica and PTFE capacitors, such as the CDV30EK430FO3, can be used in a variety of applications including computers, communication equipment, power supplies, inverters and other industrial equipment. Compared to aluminum electrolytic capacitors, these capacitors are more reliable, have longer life spans, and are less prone to fail under harsh conditions such as heat and vibration.

Working Principle

Mica and PTFE capacitors are constructed using mica and polytetrafluoroethylene (PTFE), as the dielectric materials. Mica is a crystalline substance that has a high dielectric constant, which is the measure of a material\'s ability to store electrical energy, and a good electrical insulation property. PTFE is a fluoropolymer with a higher dielectric constant than mica. Additionally, it is a very stable material which is resistant to a wide range of temperatures and scales, making it suitable for use in harsh environmental conditions.The capacitor plates formed from these two materials consist of two thin layers of mica and PTFE each separated by a thin aluminum foil that creates the dielectric. The edges of the two layers are cut in a curved shape to form a bellows, which increases the surface area of the plates. The two plates are then connected to the capacitor\'s terminals. These capacitors can also be equipped with internal compensating resistors to control the voltage current in different operating conditions. When the voltage is less than rated, the resistors act as voltage dividers and reduces the voltage and current that are applied to the capacitor. Conversely, if the voltage is higher than rated, the resistors limit the voltage and current that are applied.

Advantages

Mica and PTFE capacitors are advantageous compared to traditional aluminum electrolytic capacitors in several ways. First, they are able to withstand higher temperatures and more severe operating conditions than electrolytic capacitors. This property makes them ideal for use in industrial applications. Second, they are more reliable and have superior dielectric properties, which makes them more resistant to failure than electrolytic capacitors. Third, they have a very low equivalent series resistance (ESR) and therefore provide better performance at higher frequencies. Finally, they are resistant to high voltage surges and spikes.

Conclusion

The CDV30EK430FO3 capacitor is a type of mica and PTFE capacitor that is suitable for a variety of applications. It is reliable, has superior performance at high frequencies, withstands higher temperatures and more rugged operating conditions and is resistant to voltage surges and spikes. For these reasons, it can be a good choice for industrial applications.

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