B32911A4472M289

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Film capacitors are commonly used in electronic circuits for energy storage, filtering, and timing. The B32911A4472M289 is a metallized polypropylene film capacitors produced by EPCOS, a TDK group company. It most commonly appears in products like DC link filters, snubbers, and power factor correction circuits.

The B32911A4472M289 features a cylindrical metallized polypropylene film capacitor. It has a low ESR, ESR tolerance, and high ripple current capability, making it ideal for DC-DC converters and inverters. The components are rated for 0.1 – 2.2 uF, and a working voltage of 450 – 1100V AC or DC.

As a film capacitor, the B32911A4472M289 works using a dielectric made of a film of plastic material. This film is placed between two electrical conductors. When a voltage is applied across the capacitor leads, a charge begins to flow between them. As the capacitor charges, an electrostatic field is created, causing an attraction between the two electrical conductors and increasing the capacitance, or ability to store charge, of the device.

These capacitors have a typical capacitance tolerance of +/- 10%. They also offer tight standard capacitance tolerance classes that help ensure accurate filtering results in the application.The maximum voltage for the B32911A4472M289 is 1.5-times the rated DC voltage. It can also withstand up to 2.5-times the rated AC voltage without damage.

The B32911A4472M289 provides a wide assortment of features that make it ideal for many applications. These include its low ESR, high ripple current capability, excellent standard capacitance tolerance, and its wide temperature range. The capacitor is also designed to offer excellent self-healing and reliability.

The B32911A4472M289 is a versatile film capacitor that is used in a variety of applications. It is most often employed in DC link filters, snubbers, and power factor correction circuits. It also sees use in motor applications, SMPS, and other light to medium frequency circuits.

In conclusion, the B32911A4472M289 is a metallized polypropylene film capacitor from EPCOS that is used for energy storage, filtering, and timing purposes. It is rated for 0.1 – 2.2 μF at a working voltage of 450 – 1100V AC or DC and is designed to offer excellent self-healing and reliability. Thanks to its low ESR, ESR tolerance, and high ripple current capability, it is suitable for a variety of applications, from DC link filters and snubbers to power factor correction circuits and motor control applications.

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