MCM01-001ED391J-F

Series:	MCM01
Packaging:	Bulk
Lead Free Status / RoHS Status:	--
Part Status:	Active
Moisture Sensitivity Level (MSL):	--
Capacitance:	390pF
Tolerance:	±5%
Voltage - Rated:	500V
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:	0.460" L x 0.400" W (11.68mm x 10.16mm)
Height - Seated (Max):	--

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Mica and PTFE Capacitors

A mica and PTFE capacitor is a type of capacitor that contains both mica and polytetrafluoroethylene (PTFE). The combination of these two materials makes a capacitor that offers a variety of advantages over traditional capacitors, including superior temperature stability and robustness. This makes them ideal for use in high-performance, high-reliability applications.

Applications

Mica and PTFE capacitors are used in a variety of industries, including aerospace, automotive, medical, and industrial applications. In aerospace applications, the superior temperature stability makes them useful for critical avionics and radar systems. For automotive applications, the robustness means they can be used in harsh conditions without fear of failure. In medical applications, their low evaporation makes them ideal for high-precision devices that require accurate capacitive readings. And for industrial applications, they are commonly used in harsh environments where temperatures and chemical agents are in constant flux.

Construction

The most common type of mica and PTFE capacitor is the MCM01-001ED391J-F. This type of capacitor is made up of two capacitor plates, one made of mica and the other made of PTFE. The plates are separated by a dielectric material, which is usually a film of synthetic liquid or a refractory mixture encased in an insulating housing. The mica plate has a unique molecular structure that attracts electrons, allowing it to act as a very efficient insulator. On the other hand, the PTFE plate has a very large surface area and a high dielectric constant, which allows it to store more electrical charges compared to other materials. This combination of properties allows the MCM01-001ED391J-F to store large amounts of energy in a small package, while also remaining extremely reliable and stable under varying temperatures.

Working principle

Mica and PTFE capacitors work by storing electrical energy in the form of an electric field between the capacitor plates. When a voltage is applied across the capacitor, an electric field is created between the plates, which in turn produces an electric charge in each plate. This charge will remain stored as long as the capacitor is not connected to a conductor, allowing the capacitor to store energy. When the capacitor is connected to a circuit, the stored energy can be released, allowing it to be used as a power source.The size and shape of the plates determines the capacitance of the capacitor, which is a measure of the amount of energy it can store. The dielectric material also affects the capacitance, as it affects the electric field between the capacitor plates. The higher the dielectric constant, the greater the capacitance of the capacitor.

Conclusion

Mica and PTFE capacitors offer a number of advantages over other types of capacitors, making them well-suited for a variety of applications. Their unique combination of features provides superior temperature stability and robustness, making them ideal for high-performance, high-reliability applications. The MCM01-001ED391J-F is one of the most popular mica and PTFE capacitors, and it offers an impressive combination of energy storage and reliability.

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