185472J100RAB-F

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Film Capacitors

Film capacitors, also known as plastic film capacitors, are electronic components that are used in a range of applications where low-distortion, low-loss, and low-impedance characteristics are necessary. They are made of a thin film of polyester, polycarbonate, or mylar with metalized electrodes, often featuring polypropylene dielectric material. Film capacitors are available in a variety of packages and styling, with smaller versions having a cylindrical shape while larger ones use a rectangular shape. To make a film capacitor, the polymeric dielectric is deposited onto a polyester film and then two metalized electrodes are placed on top of the dielectric film. The electrodes are then secured to the dielectric using adhesives. The dielectric film is wound into a cylindrical shape and then encased in a plastic molded enclosure.

185472J100RAB-F Application Field and Working Principle

The 185472J100RAB-F is a film capacitor that is used in AC signal filtering and power supply bypass applications. It is designed for high-stability, long-life performance with low-loss performance. The film capacitor has a standard capacitance of 100pF, and an operating frequency range of 50 Hz to 20 MHz. The operating voltage is rated at 330VAC, and the maximum ripple current is 1.5A. The capacitor has a cylindrical shape, with a black plastic body and two metal contacts at the ends.

The working principle of the film capacitor is based on electrical principles such as the property of dielectrics, capacitance, and charge transfer. Dielectric materials such as polyester and polycarbonate are used in the creation of film capacitors. These dielectrics are materials with very low electrical conductivity, that can store electric charge. When a voltage is applied, the dielectric material becomes polarized and conducts a current. The current flow is dependent on the capacitance, which is a measure of the electric charge stored between the two metalized electrodes. The current flow is also dependent on the amount of charge transferred, which is the amount of charge that is moved between the two metalized electrodes.

The 185472J100RAB-F film capacitor is well-suited for applications where low-loss and noise-reduction are important. Its high capacitance and low-loss characteristics make it ideal for AC signal filtering and power supply bypass applications. In addition, the capacitor has a low equivalent series resistance (ESR) of 0.01 Ohms, which makes it excellent for sine wave filtering and high-speed circuit performance. The capacitor also has excellent temperature stability and reliability, as well as long-term stability.

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