MMK5222K63J01L4BULK

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Film Capacitors

A MMK5222K63J01L4BULK is a type of film capacitor, also known as a plastic film capacitor or plastic-film dielectric capacitor. Film capacitors are constructed from capacitors with dielectric film as the dielectric and are used for power factor correction for reactive components in electronic circuits, for high-performance applications, including timing, buffering, bypass, decoupling and filtering.

Application Field

MMK5222K63J01L4BULK film capacitors are commonly used in applications such as motor starting, DC-to-DC and AC-to-DC converters, sensing circuits, photocouplers, pulse generators and linear amplifiers. They also offer an effective solution for high-frequency AC line filter and transient suppression in systems such as communication networks and multimedia applications, helping reduce EMI/RFI interference.

MMK5222K63J01L4BULK capacitors are often found in consumer electronics, including computers and components, high-end audio/video equipment, and radio-frequency filters, such as FM radio transmitter and receiver systems. They can also be used in general electrical and electronic products in automotive, medical and military applications.

Working Principle

Napkin capacitors are made up of metalized polyester film with a thin expansion metalized layer on one side and a thick, flashed layer of coating on the other side. This metalized layer acts as the dielectric medium between the two metal plates of the electrodes, and it controls the capacitor\'s Faraday effects (electromagnetic and electrostatic fields).

The most important feature of film capacitors is their temperature stability and low loss factor. The operating temperature range of these capacitors is −40 °C to 125 °C, and their capacitance may change less than 3% over this range. Because of their small size and light weight, they can be used in any kind of applications.

Film capacitors are capable of storing high energy, and they are known for their good high-frequency characteristics. They also offer better performance at high temperatures and can be used in high-voltage applications. However, these capacitors may be sensitive to external influences such as surge voltages, and must be used with caution.

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