B32529E6103K289

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Film Capacitors

Film capacitors, also called plastic film capacitors, are a type of capacitor that use plastic films such as polyester and polycarbonate as the dielectric material. They have low losses, good durability, and high stability when exposed to temperature and voltage variations. Film capacitors come in axial and radial lead configurations, with capacitances from the picofarad range up to 1μF. They are available in various ratings, including low-voltage, high-voltage, and high-temperature variants.

B32529E6103K289 Application Field and Working Principle

The B32529E6103K289 is a film capacitor that has an operating temperature range of -55 to +125°C and a maximum working voltage of 250V AC. It has an excellent self-healing property, as well as good high-frequency performance and excellent ageing characteristics. These features make it suitable for numerous applications, such as filtering, damping, by-passing, and decoupling circuits, AC power supplies, switch-mode power supplies, and more. It is available in several case sizes, including the most common type of DIN-sized axial leaded package.

Film capacitors work on the same principle as all other capacitors. They create an electric field between two conductive plates, allowing the storage of electricity. In the B32529E6103K289, the electric field is formed between two layers of plastic film, with a thin metallic layer separating them. This dielectric metallized plastic film provides the capacitor with the capacity to store energy. When the capacitor is charged, electrons are stored on one side of the plastic film and are attracted to the opposite side, creating an electric field.

The B32529E6103K289 has a wide range of applications, thanks to its high temperature and voltage ratings, low losses, and excellent self-healing properties. It can be used in power supplies, EMI suppression/filtering, and in other electronic circuits that require a robust and reliable capacitor. It is particularly suitable for use in switch-mode power supplies, as it has excellent high frequency performance and very low losses. Its self-healing capability also makes it ideal for use in voltage converters and in the protection of circuits against high voltage transients.

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