BLC400J901B4F

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Film capacitors, also known as plastic film capacitors, are a type of capacitor made with a plastic film, which is coated with metal electrodes. The BLC400J901B4F is a film capacitor specifically designed for AC applications. It is a bi-polar capacitor with a maximum operating voltage of 400V AC, and a capacitance of 0.9uF.

The main advantage of the BLC400J901B4F capacitor is its superior dielectric strength. It is designed to operate at up to four times the rated voltage without any decrease in performance. This makes it suitable for use in a wide range of industrial and consumer electronics applications.

The BLC400J901B4F is also designed to withstand temperatures up to 85°C. It is UL recognized and meets UL standard 1441. It is also UL certified, and is compliant with global safety standards like CSA and VDE.

The BLC400J901B4F has a cylindrical or tubular construction, with an electrode on either end of the plastic film and a metal-plated end cap. It is typically used in switch mode power supplies, power factor correction circuits, and rectifiers. It is also used in many audio and filtering applications, including loudspeakers, guitar and bass amplifiers, and active filters.

The working principle of the BLC400J901B4F film capacitor is similar to that of any other type of capacitor. When a voltage is applied across the electrodes, electrical charge accumulates on the plates. This results in an electric field being generated between the plates, allowing for the storage of electrical energy. The capacitor is then discharged when the voltage applied across the plates reaches a certain level, allowing the energy to be released.

In summary, the BLC400J901B4F is a film capacitor designed for AC applications. It has superior dielectric strength and is designed to operate at up to four times the rated voltage without any decrease in performance. It has a cylindrical or tubular construction, with an electrode on either end of the plastic film and a metal-plated end cap. It is mainly used in switch mode power supplies, power factor correction circuits, and rectifiers, as well as in many audio and filtering applications. The working principle of the BLC400J901B4F is similar to that of any other capacitor, whereby electrical charge accumulates on the plates when a voltage is applied across the electrodes, resulting in the storage of electrical energy. When the voltage reaches a certain level, the capacitor is discharged, thereby releasing the stored energy.

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