MCM01-010EF820J-F

Series:	MCM01
Packaging:	Bulk
Lead Free Status / RoHS Status:	--
Part Status:	Active
Moisture Sensitivity Level (MSL):	--
Capacitance:	82pF
Tolerance:	±5%
Voltage - Rated:	1kV
Dielectric Material:	Mica
Operating Temperature:	-55°C ~ 200°C
Mounting Type:	Surface Mount
Package / Case:	Nonstandard SMD
Lead Spacing:	--
Features:	RF, High Frequency
Size / Dimension:	0.500" L x 0.400" W (12.70mm x 10.16mm)
Height - Seated (Max):	--

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Mica and PTFE Capacitors

A mica and PTFE capacitor is a type of electrical device widely used in high-voltage power transmission systems. In a typical two-terminal device, electrical conductivity is improved through the insertion of thin layers of mica and PTFE dielectric material between two conductors. As the material acts as a barrier to electric fields, it increases the capacitance of the device. This makes the capacitor useful for a variety of power transmission applications. The MCM01-010EF820J-F capacitor is a mica and PTFE high-voltage capacitor suited for applications up to 300A, 10kV. It is suited for AC and/or DC operation. The device is made up of three main components; the mica and PTFE dielectric material, the mica plates and the steel end flanges. All these components are encased in a steel housing.The dielectric material is of two kinds, mica and PTFE. Mica plates are thin sheets of metalized mica held together with an adhesive. They act as a barrier between the two conductors to increase the capacitance. The PTFE layer helps reduce leakage currents and thus ensure the device’s reliability. The steel end flanges clamp the plates together and provide mechanical robustness.The working principle of a mica and PTFE capacitor can be simply explained with the help of the following diagram.

In the diagram, we can see that the mica plates form the electrical circuit of the mica and PTFE capacitor. One plate is connected to its own terminal, and the other is earthed. The metalized mica forms the dielectric between the two conductors, and the PTFE layer forms the barrier. When a voltage is applied across the plate, an electric field is set up between them. This electric field interacts with the mica and PTFE dielectric material, causing the formation of a static charge. This static charge then functions as a capacitor, and stores electrical energy.Mica and PTTFE capacitors are mainly used for high-voltage power transmission applications. They can operate at voltages up to 10kV with high current capacities up to 300A. The advantage of this type of capacitor is that it is capable of supplying high currents rapidly by storing excess power from the power source and then releasing it during peak load conditions. Since the dielectric material is highly reliable, failure due to component aging or environmental contaminants is very low.In conclusion, the MCM01-010EF820J-F mica and PTTFE capacitor is a highly reliable, high voltage, high current device, suited for a variety of power transmission applications. Its mica and PTFE dielectric material increases the capacitance of the device, allowing it to store electrical energy and supply high currents rapidly.

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