PFR5101J100J11L4BULK

Film Capacitors

PFR5101J100J11L4BULK Application Field and Working Principle

Film capacitors, also known as plastic capacitors or polyester capacitors, are a type of capacitor made with a polyester film as the dielectric material. They are generally quite small and available in ranges of several pico-farads (pF) to several milli-farads (mF).

The PFR5101J100J11L4BULK film capacitor is one of the most popular and reliable types of film capacitors on the market. It has a wide range of applications, including power supply units and converters, RF and IF circuits, high frequency amplifiers, active antennas, decoupling circuits, and more.

The construction of the PFR5101J100J11L4BULK film capacitor typically consists of two layers. One layer is composed of the conductive material, usually a metal foil, and the other layer is composed of the dielectric material, typically a polyester film. The two layers are insulated from each other, and a predetermined voltage is applied between them to create an electric field. The electric field causes the layers to form a capacitor.

The working principle of the PFR5101J100J11L4BULK film capacitor works similarly to other types of capacitors. When a voltage is applied between the two layers, an electric field is created and electrons in the conductive layer are repelled. This results in an accumulation of charges on the two sides of the capacitor, which creates a steady electric field. The current is then supplied to the capacitor, allowing it to store energy and work as an electrochemical battery.

In addition to its wide range of applications, the PFR5101J100J11L4BULK film capacitor also offers several advantages over other types of capacitors. It is highly reliable, has a low thermal coefficient, and offers good insulation and temperature stability. Its dielectric material also offers excellent performance at high temperature levels, making it an ideal choice for applications in hot environments. Moreover, its low leakage current and low ESR (Equivalent Series Resistance) make it suited for use in high frequency applications. Overall, its combination of features makes the PFR5101J100J11L4BULK a great choice for many applications.