QXK2J473KTPTZH

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Film capacitors are aptly named, as each is constructed using a thin plastic film as the dielectric material, with sheet metal for the electrodes. While there are several types of film, common choices include polyester (PET), polypropylene (PP), and polycarbonate (PC).

The QXK2J473KTPTZH variation is a radial leaded design, making it well suited for space saving and automated board assembly methods. Available from 0.1 – 4.7 µF, the QXK2J473KTPTZH can be custom designed for specific uses as needed. It has a compact, lightweight structure, and like most film capacitors, it doesn’t suffer from aging or shadow arching problems.

The QXK2J473KTPTZH range is a multi-layer type capacitor. The plastic film insulation is sandwiched between two layers of electrolytic copper foil and rolled up into a tubular construction. The copper plates are then soldered to the aluminum termination pins to ensure a reliable connection and long life. The capacitor is then epoxy resin molded, which improves its safety, water and dust resistance, and shock resistance.

The QXK2J473KTPTZH has a wide variety of applications, such as coupling, bypassing, snubbing, smoothing and general-purpose decoupling. It is perfect for smoothing and filtering out ripple current in AC circuits such as AC/DC switching power adapters, AC/DC motor drivers, and voltage regulators. It is also ideal for connector-type applications, as its radial-leaded construction allows it to fit securely into limited space.

The working principle of a film capacitor is simple: the current delivered to the anode is stored by the plastic film, creating an accumulation of charges. When the current decreases, the capacitor discharges the charge stored in the plastic film, and the voltage gradually decreases. In other words, the film capacitor is able to absorb, convert and store the current on its metallic electrodes, creating a potential difference.

The QXK2J473KTPTZH has the advantages of low losses, high reliability, and high insulation resistance compared to other types of capacitors. It also has a high working temperature rating of 105° C and an operating temperature range from -40°C to +105° C. It is also highly suitable for use in AC circuits due to its low impedance, making it an ideal choice for LED lighting, UPS systems and mechanical/electrical equipment.

In conclusion, the QXK2J473KTPTZH film capacitor is an excellent component for a variety of applications, especially in AC circuits where a reliable, high-efficiency component is required. It is lightweight, has a low profile and can withstand high temperatures, making it a versatile component capable of meeting the needs of both consumer and industrial applications.

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