MKP385547040JPM2T0

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Film Capacitors

Film capacitors, or plastic film capacitors, are also referred to as film dielectrics, polypropylene capacitors, or polymer film capacitors. They are a type of electrical capacitors, which are passive electronic components that store electrical charge. They are constructed with a plastic film as the dielectric and are commonly used for allowing or blocking the flow of AC current in power circuits, motor control, and audio systems.

The MKP385547040JPM2T0 is a x7R type film capacitor, meaning it is stable with a range of temperatures and faster-switching times. Its application fields include computers, home appliances, medical equipment, industrial control, most major power circuit applications and power management. Its working principle is based on the fundamentals of electronics, electrons, and capacitors - how they are charged and discharged, and how they store energy and preserve it.

When a voltage is applied to the capacitor, non-conductive (insulating) dielectric layers inside the capacitor (the plastic film in the MKP385547040JPM2T0) create an electric field, which in turn generates electrostatic energy that is centrally stored. Both of the capacitor\'s electrodes attract free electrons, and as the units charge, an energy storing capacitor is generated. Every capacitor has an upper and lower voltage limit; in the MKP385547040JPM2T0, the upper working voltage is 50 volts and the lower is 16 volts.

When the capacitor reaches its upper limit of voltage, electrons cannot be further attracted and the unit stops charging. At this point, the capacitor is at its peak performance. It is important to maintain the appropriate voltage range for these units, as the wrong range of voltage will result in the destruction of the device. Exceeding the upper or lower voltage limit can cause breakdown, resulting in the capacitor effectively becoming a low resistance pathway.

It is common practice to use multiple capacitors in parallel to reduce the possibility of breakdown. Connecting multiple capacitors together results in a larger surface area, which spreads the voltage in order to reduce peaks and valleys, and ultimately prevent breakdown from a surge in voltage.

The MKP385547040JPM2T0 is constructed with three disc capacitors connected in parallel, each encapsulated in its own plastic case. This ensures each individual capacitor is protected from excessive heat and voltage, and can operate without interference from other capacitors. The MKP385547040JPM2T0 is the ideal choice for audio systems, power circuits, and a range of industrial control applications due to its wide range of features, reliability, and longevity.

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