ECQ-U2A125ML

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Film capacitors, also known as plastic film capacitors, are among the most popular types of capacitors used in the electronics industry. The ECQ-U2A125ML film capacitor is specifically designed for motor start/run applications. It is highly suited for a variety of motor applications thanks to its performance features such as durability, reliability, high ripple current, high ripple voltage and low ESR.

Design Structure & Features

The ECQ-U2A125ML is a polypropylene film capacitor molded in a box-shaped polypropylene case. It measures 25mm wide x 10mm tall and features an 11 mm stud center connection. It has a rated capacitance of 27.5 microfarads, a rated voltage of 250 volts AC and an operating frequency between 45Hz and 400Hz. Its internal construction consists of multiple layers of polypropylene films and electrodes. These films are interleaved in a large spiral stack and encased in a polypropylene film sleeve.

The ECQ-U2A125ML has several performance features that make it ideal for motor start/run applications. It has stable capacitance over a wide range of temperatures, a low dissipation factor, a low equivalent series resistance (ESR), and a high ripple current rating of 6A. The low ESR and high ripple current rating make it an excellent choice for power supply applications.

Working Principle

The working principle of the ECQ-U2A125ML is simple and straightforward. It functions as an energy storage device, storing electrical energy in its plates and then releasing it when the voltage is low. When the voltage is low, the capacitor allows current to flow through its plates and charges it. When the voltage is high, the capacitor releases the stored energy back into the circuit.

The ECQ-U2A125ML film capacitor also acts as a filter for AC power, allowing only certain frequencies of current to flow. This is done by suppressing the passage of high-frequency signals. This allows it to block electrical noise and regulate the voltage in motor applications.

Applications

The ECQ-U2A125ML film capacitor is designed for motor start/run applications. It is used in a wide variety of motor applications such as electric drills, vacuum cleaners, lawn mowers, washing machines and air conditioners. It is also used in consumer electronics such as DVD players, TVs and computers. Its performance features make it an ideal choice for applications where high-current, high-voltage and low-noise operation is required.

In addition to its motor applications, the ECQ-U2A125ML is also used in power supply applications such as switched-mode power supplies (SMPS) and uninterruptible power supplies (UPS). Its low ESR and high ripple current rating make it an excellent choice for suppressing transients and voltage spikes in demanding power supply applications.

Conclusion

The ECQ-U2A125ML film capacitor is a reliable and cost-effective choice for motor start/run and power supply applications. It offers excellent performance features such as durability, reliability, high ripple current, high ripple voltage and low ESR. These features make it an ideal choice for a wide variety of motor applications, consumer electronics and power supply applications.

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