BFC237121474

Operating Temperature:	-55°C ~ 105°C
Features:	Long Life
Ratings:	--
Applications:	General Purpose
Lead Spacing:	0.300" (7.62mm)
Termination:	PC Pins
Height - Seated (Max):	0.413" (10.50mm)
Size / Dimension:	0.394" L x 0.197" W (10.00mm x 5.00mm)
Package / Case:	Radial
Mounting Type:	Through Hole
Series:	MKT371
Dielectric Material:	Polyester, Metallized
Voltage Rating - DC:	100V
Voltage Rating - AC:	63V
Tolerance:	±10%
Capacitance:	0.47µF
Moisture Sensitivity Level (MSL):	--
Part Status:	Active
Lead Free Status / RoHS Status:	--
Packaging:	Bulk

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Applications of Film CapacitorsFilm capacitors are a form of capacitor that has a wide variety of applications. The most common use of film capacitors is for signal coupling, noise filtering and as a component of many other electronic systems. They are also used in power supplies, audio amplifiers and motor drive circuits.Film capacitors are typically constructed using a thin plastic or polyester film as dielectric material and metalized aluminum or copper foils as electrodes. These capacitor technologies provide the ability to achieve very tight tolerances and excellent stability and reliability, making them the preferred choice for many applications.The important application areas of film capacitors include the automotive, military, consumer electronics, telecommunications, aerospace and medical industries. In addition, they are also used in HVAC systems, residential and commercial lighting, power factor correction and surge protection circuits.Working Principle of Film CapacitorsFilm capacitors are components that store electrical energy in an electrostatic field. They are made from a variety of materials, such as polyester, polypropylene, polycarbonate or other suitable dielectric material. The two metalized electrodes, usually made of aluminum or copper, are attached to the dielectric.When an external electrical circuit is established between the two electrodes, a charge equal to the applied voltage is then stored on each of the electrodes. The capacitance of a film capacitor is determined by the surface area of the metalized electrodes, the type and thickness of the dielectric material and the distance between the two electrodes.The stored energy is released back to the circuit as the voltage across the capacitor changes. This is known as the charging and discharging cycle and is the main principle of operation of a film capacitor. Film capacitors are able to handle higher frequencies than other types of capacitors and offer good stability over a wide range of temperatures.Film capacitors are widely used in many types of circuits and are ideal for applications where high performance is required. They are also reliable and hold stable performance over long periods of time, making them suitable for use in high voltage, low frequency applications such as power factor correction.

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