BFC236929224

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Film Capacitors

Film capacitors, also known as polyester capacitors, are non-electrolytic capacitors made of polyethylene napthalate (PEN) film as the dielectric to offer high volumetric efficiency and low inductance. A film capacitor products high insulation resistance and very low dissipation with a wide temperature range and high ripple current capability.

BFC236929224 Application Field and Working Principle

The BFC236929224 film capacitor manufactured by TDK is an axial-lead unit that come in a 7mm × 11.5mm package. The device is mainly used for DC and high frequency coupling applications as well as general AC use. This device has a 5mm pitch and an insulation resistance of more than 10,000MΩ. It is rated to operate at temperatures between -55°C and +125°C and its derated operating voltage varies from 12.5V to 30V depending on the temperature.

The BFC236929224 operates on the principle of capacitive coupling. This works by creating an electric field between two plates which are connected to a dielectric material. The dielectric material is then charged by the electric field and this charge is held on the capacitor until it is discharged. The strength of the electric field depends on the distance between the plates as well as on the dielectric material used and its thickness. The thickness of the dielectric material determines the capacitance of the capacitor and the voltage rating of the device.

The BFC236929224 is rated for a capacitance ranging from 47pF up to 2.2μF. The device employs lead-free terminations, making it environmentally friendly. In addition, the low leakage current design of the 4060 series makes it particularly suitable for high frequency coupling and DC blocking applications, as well as general AC applications.

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