ECW-H12752HV

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Film capacitors are electronic components that are commonly used for various tasks in a number of industrial and consumer applications. The ECW-H12752HV is an all-polypropylene film capacitor that has been designed to meet the economic and quality needs of most applications. This article will discuss the ECW-H12752HV application field and working principle.

Film capacitors are categorized into two broad types based on their materials: polyester film capacitors and polypropylene film capacitors. The ECW-H12752HV is an all-polypropylene film capacitor that is suitable for both general purpose and higher temperature applications such as power supplies, motor, lighting and can be used for motor run applications. This capacitor is designed to meet the voltage capability and dielectric absorption requirements of most applications.

The ECW-H12752HV features the following specifications: a rated voltage of 450Vdc, a capacitance range of 0.1 to 0.56µF, a temperature range of -40°C to +125°C, and a dissipation factor of less than 0.1%. This capacitor also has a wide tolerance range, which is between +10/-10% and +5/-5% depending on the capacitance value. The maximum ripple current of this capacitor is 5,000mA, which is higher than the industry standard.

The ECW-H12752HV application fields include power supplies, motor, and lighting. For power supply applications, the capacitor is commonly used in DC to AC converters, power factor correction, and voltage regulator modules. In motors, the capacitor is used in motor start-up applications where it is required to provide a large inrush current in order to start the motor smoothly. In lighting applications, the capacitor is mainly used in ballast for fluorescent lamps and HID lamps.

The working principle of a film capacitor is relatively simple. It is composed of two electrical leads that are connected to a dielectric material. The dielectric material is typically either polyester or polypropylene film. When alternating current is applied, an electrostatic field is created between the two electrical leads, which causes the capacitor to store electrical energy. When the current is removed, the electrostatic field dissipates, and the stored energy is released back into the circuit.

The ECW-H12752HV is a high-performance, high-reliability all-polypropylene film capacitor. It is suitable for general purpose and higher temperature applications. It has a wide capacitance tolerance range and a high ripple current rating, making it an ideal choice for many applications. Its robust design makes it highly suitable for applications where high levels of reliability are required.

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