335MPW250K

Film Capacitors

Film capacitors, otherwise known as plastic film capacitors, are solid dielectrics that are formed by winding a dielectric film such as polyethylene terephthalate (PET) around a metal core. They are used in a variety of applications ranging from easy-to-use electromechanical components, to transmitting signals between two different circuits. This type of capacitor is popular due to its flexibility in being able to work with higher voltage and current and its small size and lighter weight.

The 335MPW250K is an example of a film capacitor. It has a DC rated voltage of 335V and capacitance of 250K. It is used in various applications such as surge protective applications, power electronic applications, and pulse applications. The construction of the capacitor is flat, composition-wound, metalized polypropylene film dielectrics. It features an epoxy case and end sealing.

The 335MPW250K capacitors work on a fundamental electrical principle, capacitance. This principle states that when two conductors are placed near each other and an electrical charge is applied to one conductor, it creates an electric field between them. This electric field results in a flow of electrons from one conductor to the other. The result is a buildup of electric charge on each conductor. This is referred to as capacitance. The amount of capacitance is determined by the distance between the conductors, the size of the conductors, and the type of dielectric material between them.

The 335MPW250K capacitors use this principle to store and release electric charges. They can store an electric charge for a short period and rapidly discharge it when the load demands it. This makes them suitable for pulse applications, where a quick and large release of energy is required. The capacitors can also be used to reduce ripple current in power supplies, thus providing smooth, stable power.

The film capabilities of the 335MPW250K capacitors make them ideal for applications such as power line conditioning, surge protection, motor drives, and light dimmers. The metal core also provides excellent shielding against electromagnetic interference (EMI), which is important for applications in which signal integrity must be maintained. Overall, the 335MPW250K capacitors offer excellent electrical performance and make them ideal for a wide range of industrial and commercial applications.