MPX683K305E

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Film capacitors, also known as dielectric film capacitors, are kind of passive electrical and electronic components. Commonly classified in accordance to their dielectric material, film capacitors can be available in materials such as polypropylene, polyester, metalized polyester, and paper film.

The MPX683K305E is a Film type capacitor made by Walsin, a prominent Taiwanese company that produces a wide range of capacitors. This particular product, the MPX683K305E, is a Polymerized Polypropylene Film capacitor. It gives a high insulation resistance, high dv/dt resistance and long useful life. It is manufactured in surface mount format with lead free termination, which is suitable for reflow soldering process.

The MPX683K305E is designed to exhibit high volumetric efficiency and less ESR, making it widely applicable in severe environments such as those generated by audio amplifiers. It is also used widely in power supplies, computers and other household electronics. Its wide operational temperature range of -55 to +105°C makes it ideal for a variety of applications. It has capacitance value of 0.68uF, 0.733uF, 1.0uF, 1.2uF at rated voltage of 63VDC, 100VDC, 200VDC, 250VDC respectively, and its tolerance of ±10% makes it reliable and dependable.

The working principle of the MPX683K305E is based on the electromagnetic induction principle. The capacitor consists of two metal plates separated by a very thin layer of polymerized polypropylene film, forming a dielectric within the device. When two electrical leads are connected to the two metal plates and a voltage is applied, a strong electric field is created, inducing a charge onto the metal plates. This charge accumulates on the plates as an electric potential which is equivalent to the applied voltage. The electric field is responsible for creating an electrostatic field in that region, and the electric potential on the plates makes an electric current flow in the circuit.

The MPX683K305E is an ideal choice for applications requiring high reliability, low ESR, and high volumetric efficiency. Its high insulation resistance ensures safe operation even under extreme conditions. Its wide operating temperature range, low ESR and high volumetric efficiency make the MPX683K305E the capacitor of choice for severe environment audio amplifiers, power supplies and computers, as well as other household electronics.

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