FCP0805H121G-J1

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Film capacitors are electronic components consisting of a thin, non-porous plastic film with electrodes on either side and provide greater stability, low loss, and high insulation resistance compared to other types of capacitors such as ceramic and electrolytic. The FCP0805H121G-J1 is a film capacitor manufactured by Murata specifically designed for high frequency applications. This article will discuss the applications and working principles of the FCP0805H121G-J1.

The FCP0805H121G-J1 capacitor utilizes a PPS (Polyphenylene Sulfide) film, which is a flame retardant, temperature resistant, and solubility resistant material. This makes the capacitor well suited for both high frequency and general applications. It is specifically designed for applications needing high isolation performance and low leakage current, such as high frequency circuit protection and impedance matching. Additionally, the FCP0805H121G-J1 capacitor is RoHS compliant and its capacitance range is from 0.1 µF to 0.68 µF.

The FCP0805H121G-J1 film capacitor utilizes a non-magnetic core that is formed through winding two thin polymer film strips. This design gives the capacitor excellent performance with minimal AC loss. This type of capacitor also features increased stability, high current carrying capacity and low additional loss. The strong insulation that results from the core winding contributes to reduction of inductance and noise. These properties make the FCP0805H121G-J1 suitable for wide range of high frequency applications such as switching power supplies and cellular phones.

The working principles of the FCP0805H121G-J1 incorporate an electrode system, lamination core and capacitance formation. The thin plastic film acts as a dielectric between the two metal electrodes, which form a capacitor. When a voltage is applied to the capacitor, the metal electrodes form an electric field, resulting in a charge distribution. This charge is stored in the dielectric and is available to be discharged as a current. The lamination core of the FCP0805H121G-J1 eliminates potential noise-generation that can consequently degrade a circuit’s performance.

In conclusion, the FCP0805H121G-J1 film capacitor is a high frequency capacitor ideal for high isolation performance and low leakage in power supply circuits, impedance matching and other high frequency applications. It is manufactured by Murata utilizing a polyphenylene sulfide film and a non-magnetic winding core for increased stability, high current carrying capacity and low additional loss. The working principles of the capacitor are based on an electrode system and capacitance formation through the dielectric.

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