Depending on the type of plastic film, they are divided into: polyethylene-based capacitors (also known as Mylar capacitors), polypropylene capacitors (also known as PP capacitors), polystyrene capacitors (also known as PS capacitors), and polycarbonate capacitors.
The structure is the same as paper dielectric capacitors, and the dielectric is polyester or polystyrene, etc. Polyester film capacitor has high dielectric constant, small size, large capacity, better stability, and suitable for bypass capacitor. Polystyrene film capacitor, with low dielectric loss and high insulation resistance, but large temperature coefficient, can be used in high frequency circuits.
Wire-end classification
Film capacitor manufacturers can be divided into two categories: DC film capacitors are film capacitors working in circuits powered by DC power supply, which can be divided into four categories: general-purpose, suppression of electromagnetic interference from power supply, pulse and precision; AC film capacitors are film capacitors working in circuits powered by AC power supply, which are divided into motor starting operation, power Factor compensation, etc.
Non Polar High Voltage Capacitor
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