MKP385410040JDM2B0

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Film capacitors, also known as plastic film capacitors, are a type of capacitor made of metal foil or conductive plastic film as electrodes, rolled or even wound into a cylindrical shape and fixed with a plastic package. The MKP385410040JDM2B0 model in particular is a polypropylene film capacitor with a value of 0.1 uF, voltage of 630VDC, and a tolerance of ±2%. Film capacitors have excellent frequency and temperature characteristics among all capacitors, and are mainly used to filter, increase coupling and decouple signals in low frequency range.

Functionally speaking, film capacitors work on the principle of capacitance. Capacitance is the ability of a device to store a charge of electricity between two conducting surfaces, the dielectric. A film capacitor stores higher amounts of energy in its dielectric compared to other types of capacitors, like ceramic capacitors. This makes it ideal for use in circuits for its temperature stability and long-term reliability.

The MKP385410040JDM2B0 film capacitor specifically has a large number of applications, including AC line-filter, DC/DC converters for ATX PSU, interstage coupling, decoupling and filtering circuits, and more. It can also be used in precision timing circuits, such as digital timers, clocks, and security systems, due to its excellent frequency characteristics. Additionally, it is also a reliable replacement capacitor in some microwave ovens.

The particular model of this film capacitor is constructed of multiple plates of non-inductive metal foil with dielectric spacing. The dielectric is a polypropylene film, allowing these capacitors to maintain their capacitance and withstand high temperatures ranging from -55°C to +125°C. The electrodes are evenly spaced small-area metallized film. This is to provide a consistent amount of capacitance at any given frequency, while also reducing thermal strain and increasing the performance stability of the capacitor.

The MKP385410040JDM2B0 film capacitor is a reliable, high-performance device suitable for various electronics projects. Its rugged construction allows it to withstand high temperatures and function efficiently in multiple applications. It is also widely used to filter, increase coupling and decouple signals in various low-frequency circuits, making it a versatile component in numerous projects.

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