PHE840MB5470KB04R17

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Film capacitors, sometimes known as plastic film capacitors, are electrical components constructed with a thin metal foil and non-conductive plastic film as electrodes which are then wound together and contained within a cylindrical shaped plastic package. The metal electrode formations of the metal film are electrically connected by an outer contact. The primary benefit of film capacitors versus ceramic or electrolytic capacitors is that they generally offer greater temperature stability and lower dielectric absorption than typical capacitors.

The PHE840MB5470KB04R17 is a film capacitor produced by Sihuan Electronic Technology Co., Ltd. It is an electric double layer capacitor consisting of two separate layers of conductive material (one metallic and one plastic) forming a dielectric. It has a voltage rating of 8V, a capacitance of 470nF, a tolerance of ±20%, and a shelf life of 1 year. It is suitable for high-frequency RF and microwave applications such as HD TV, Blu-ray Disc players and receivers, and can be used as a general-purpose capacitor in analog circuits.

The PHE840MB5470KB04R17 is constructed from a proprietary ultra-high-speed polycarbonate film and utilizes an extremely low ESR dielectric layer. This design results in a film capacitor with superior current handling capabilities and excellent frequency characteristics, making it well-suited for high-speed applications. Additionally, it features long-term stability and low self-inductance for higher efficiency, faster switching, and better ripple current handling.

The PHE840MB5470KB04R17 is capable of operating from -55°C to +125°C, has a minimum insulation resistance of 50,000MΩ, and a maximum dissipation factor of 0.1%. Its frequency characteristics are further enhanced by its surge voltage capabilities, allowing it to be utilized in high-speed high-temperature mission critical circuits. This makes it an ideal choice for designers wishing to achieve the highest possible level of performance and reliability.

The working principle of the PHE840MB5470KB04R17 is based on charge separation. When the capacitor is subjected to an electrical signal, electrons are transferred from one layer of the dielectric film to the other. This creates a charge separation between the two layers, that is opposed to the signal, resulting in a capacitance effect. This capacitance effect can be used to store energy and to filter out any fluctuations in the applied voltage.

The PHE840MB5470KB04R17 is a high-performance film capacitor ideal for applications requiring high temperature stability, exceptional current performance, and superior frequency characteristics. With its long-term stability, low self inductance and high surge capabilities, it is well suited for use in mission critical circuits. In addition, its low dissipation factor and excellent insulation resistance make it well-suited for long-term industrial applications.

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