Shenmao Capacitors specialized in aluminum electrolytic capacitors from 1970

Comparison of two common dielectric properties of metal film capacitors | Focus on mid-to-high-end brand capacitor manufacturers

by:Shenmao     2021-04-02
Metal film capacitors are thin film capacitors. The film here refers to organic film, including polypropylene, polystyrene, polyester, etc., and polypropylene film and polyester film are two commonly used materials. The difference in material indicates that the nature of the capacitor will also be somewhat different. Let's compare two common dielectrics of metal film capacitors. Polypropylene film is a common dielectric for metal film capacitors. Polypropylene film has excellent capacitance stability, extremely low high-frequency loss, extremely high insulation resistance, extremely low dielectric absorption coefficient, dielectric strength, high water absorption, good self-healing, and low negative temperature coefficient. Polyester film is a common dielectric for metal film capacitors. Polyester film is also a kind of organic film, which has the characteristics of wide operating temperature range, good capacitance stability, high dielectric constant, high insulation resistance, good self-healing, and high volume ratio. For more details, please call 0755-85274135
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