CDV30EK300FO3

Series:	CDV30
Packaging:	Bulk
Lead Free Status / RoHS Status:	--
Part Status:	Active
Moisture Sensitivity Level (MSL):	--
Capacitance:	30pF
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: CDV30EK300FO3 Application Field and Working Principle

Mica and PTFE Capacitors, such as the CDV30EK300FO3, are a type of capacitor which consists of two pieces of mica covered in PTFE sprayed plastic insulation and sandwiched together between two stainless steel plates. The actual capacitance is formed by lines of gold between the plates which are covered by a layer of glass (or epoxy) insulation to prevent short-circuits.Mica and PTFE capacitors are used for a variety of applications which require a stable and high capacitance over a wide range of temperature. They offer effective attenuation of high frequency noise which can interfere with the operation of a system. They are also used in pulse circuits, high-energy applications, and as power smoothing capacitors.Mica and PTFE capacitors, and specifically the CDV30EK300FO3, are used in a variety of contexts, ranging from industrial equipment to aerospace applications. This is because of the fact that these capacitors have the unique property of providing stability over a wide range of temperatures. This makes them well-suited for use in environments where temperature fluctuation can prove to be an issue and other capacitors would suffer from significant losses in capacitance and stability.When looking at the working principle of a mica and PTFE capacitor, it can be understood by looking at how capacitance is a function of the surface area, and dielectric constant, of the material between the two plates. As the voltage applied to the plates changes, the capacitance changes in response. This is due to the fact that the distance between the plates changes as the voltage is adjusted. This results in the capacitance being inversely proportional to the voltage applied and changing on a logarithmic scale.Additionally, the dielectric constant of the material between the two plates is also a contributing factor in the overall capacitance. The dielectric constant can be thought of as the ratio of the capacitance of mica and PTFE capacitor to the capacitance of a vacuum between the same two plates. In general, the higher the dielectric constant, the higher the capacitance of the capacitor.The combination of this voltage and dielectric constant, in combination with the physical surface area of both the plates and the material between them, is what determines the capacitance of a mica and PTFE capacitor. The CDV30EK300FO3 has a dielectric constant of 40, which is significantly greater than other standard capacitor materials. This, combined with its operating temperature range of -55°C to +105°C and capacitance of 3,000pF, make it a suitable choice for a variety of applications.To conclude, mica and PTFE capacitors, such as the CDV30EK300FO3, offer a unique combination of electrical characteristics and temperature ranges that make them suitable for a wide range of applications. They are well-suited for high-frequency noise attenuation, pulse circuits, high-energy applications, and power smoothing circuits. Their capacitance is determined by the surface area of the capacitors, the dielectric constant of the material between them, and the voltage applied to the plates. The CDV30EK300FO3 has a dielectric constant of 40 with a capacitance of 3,000pF and an operating temperature range of -55°C to +105°C, allowing it to withstand some of the most extreme environmental conditions.

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