334MPW400K

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334MPW400K Application Field and Working Principle

Film capacitors, also known as polyester capacitors, polypropylene capacitors, or foil capacitors, are electric double-layer capacitors with an insulating dielectric film as the medium, and electrodes made of aluminum alloy. In addition to being used for DC filter and AC bypass, film capacitors are often used as harmonic filters in switching mode power supply, voltage regulation, and AC motor drive applications. In modern electronics, film capacitors are used for a wide variety of applications, from low-loss capacitors in high-end audio equipment to smart phones to medical and military devices.

Application of 334MPW400K Film Capacitors

The 334MPW400K is a 3.5V, 400KμF film capacitor manufactured by Motorola. It is a low-profile, surface-mountable capacitor. Due to its high capacitance, it is typically used in power supply and voltage stabilization applications as an AC bypass capacitor. It is also useful in low-loss AC filter circuits, frequency selective circuits, and in voltage rectification circuits. This capacitor is ideal for high-power applications such as camcorders, DVD players, HDTVs, flat-panel displays, audio amplifiers, and other consumer electronic devices.

What is the Working Principle of 334MPW400K Film Capacitors?

Film capacitors work by storing energy in a thin non-conductive dielectric film such as polypropylene. This film is sandwiched between two metallic plates, one of which is coated with an electrically conductive material (e.g. aluminum oxide). As voltage is applied to the capacitor, the opposing charges on the plates and the dielectric film create a static electric field which stores energy. The stored energy is released when the voltage is removed from the capacitor.

When choosing a film capacitor, one should consider its capacitance, voltage rating, working temperature, and size. 334MPW400K film capacitors have a capacitance of 400KμF, a voltage rating of 3.5V, and a working temperature range from -55°C to +85°C. In addition, the capacitor measures only 4.6mm x 5.2mm, making it ideal for use in compact designs.

The 334MPW400K film capacitor is a reliable, cost-effective solution for many high-power applications. Its small size and flexibility make it well-suited for use in a wide variety of consumer electronics as well as industrial, military, and medical applications.

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