搜索结果: BFC238330103 在%分类%.标签=在 Capacitor Plastic Film
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Capacitor Plastic Film

Besides the above-described films (Polypropylene (PP), Polyethylene Terephthalate Polyester PET), Polyphenylene Sulfide (PPS), Polyethylene Naphthalate (PEN), Polycarbonate (PP), Polystyrene (PS) and Polytetrafluoroethylene (PTFE)), some other plastic materials may be used as the dielectric in film capacitors.Thermoplastic polymers such as Polyimide (PI), Polyamide (PA, better known as Nylon or Perlon), Polyvinylidene fluoride (PVDF), Siloxane, Polysulfone (PEx) and Aromatic Polyester (FPE) are described in the technical literature as possible dielectric films for capacitors. The primary reason for considering new film materials for capacitors is the relative low permittivity of commonly used materials. With a higher permittivity, film capacitors could be made even smaller, an advantage in the market for more-compact portable electronic devices.In 1984, a new film capacitor technology that makes use of vacuum-deposited electron-beam cross-linked acrylate materials as dielectric in film capacitors was announced as a patent in the press. But as of 2012, only one manufacturer markets a specific acrylate SMD film capacitor, as an X7R MLCC replacement.

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