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Flow Level Position Contactor

Flow Level Position Contactor

Flow level Position Contactor Metallized polypropylene capacitor Generally, in low frequency circuits, it is usually not possible to use at frequencies higher than 3 to 4 MHz. Oil-immersed capacitors have higher withstand voltage than ordinary paper capacitors and have good stability. They are...

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Flow level Position Contactor



Metallized polypropylene capacitor
Generally, in low frequency circuits, it is usually not possible to use at frequencies higher than 3 to 4 MHz. Oil-immersed capacitors have higher withstand voltage than ordinary paper capacitors and have good stability. They are suitable for high-voltage circuit trimmer capacitors (semi-variable capacitors). The capacitance can be adjusted within a small range and can be fixed to some after adjustment. Capacitance value.
Porcelain-mediated trimmer capacitors have high Q values and small volume, and can usually be divided into two types: round tube type and wafer type.
Mica and polystyrene media are usually spring-loaded, with a simple structure but poor stability.
The wire-wound ceramic fine-tuning capacitor is a copper wire (outer electrode) to change the capacitance, so the capacity can only be reduced, which is not suitable for occasions requiring repeated debugging.
use.
ceramic capacitor
A high dielectric constant capacitor ceramic <barium titanate titanate> is extruded into a circular tube, a disk or a disk as a medium, and silver is plated on the ceramic as an electrode by a fire infiltration method. It is divided into two types: high frequency porcelain and low frequency porcelain.
A capacitor with a small positive temperature coefficient of capacitance for use in a highly stable tank circuit as a loop capacitor and a pad capacitor.
Low-frequency ceramic capacitors are limited to bypass or DC-blocking in circuits with lower operating frequencies, or where stability and loss are not critical (including high frequencies). Such capacitors are not suitable for use in pulse circuits because they are susceptible to breakdown by pulse voltages.

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