Development Status metalized film capacitors

Development Status metalized film capacitors our country: since the 1960's with the manual production of metalized film capacitors advent of metal capacitors has gone through three development tide; the eighties TV production had finished by the opportunity stand-alone automated manual work to the introduction of technological transformation.

In the 1990s, the metal film capacitors were miniaturized (winding type and metallized lamination type) with the "short, small, light and thin" of the electronic machine. In the past century, it has been used in conjunction with the electronic machine. The reliability requirements have undergone technological transformation based on safety capacitors. In recent years, metallized film capacitors have ushered in the fourth development trend of joint-stock and private investment.

The advantages of metallized film capacitors: metallized polyester film winding, non-inductive structure epoxy resin encapsulation, CP line unidirectional extraction self-healing performance, high insulation resistance, stable capacitance. Suitable for DC and pulsating circuits, widely used in various electronic and electrical equipment, such as filtering, blocking, bypassing, coupling and noise reduction.

The resistance of the metal film capacitor to ripple current can reach ten times to several tens of times the rated ripple current of the same capacity aluminum electrolytic capacitor. In order to achieve higher current withstand capability, aluminum electrolytic capacitors usually use larger capacity to meet the requirements. Larger capacity is an unnecessary waste of cost and installation space. Therefore, metallized film capacitors are highly demanded in the market.

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