39D257G075JE7

Due to market price fluctuations, if you need to purchase or consult the price. You can contact us or emial to us:   sales@allicdata.com

Aluminum Electrolytic Capacitors are the most popular type of capacitor, capable of storing significantly more energy than other capacitor types at a significantly lower price. The 39D257G075JE7 capacitor is one of the most common Aluminum Electrolytic Capacitors, and is particularly suitable for use in high voltage AC applications. This article will discuss the application field and working principle of the 39D257G075JE7.

Application Field

The 39D257G075JE7 capacitor is a radial leaded aluminum electrolytic capacitor that is rated at 275VAC and can withstand a maximum working voltage of 400V. Due to its relatively high voltage rating, it is well suited for applications in pulse circuits, snubber circuits, and motor AC starting circuits. It is also suitable for use in frequency converters, AC main circuit capacitors, power inverters, high voltage AC controllers, and other related circuits.

Working Principle

The aluminum electrolytic capacitor consists of two electrodes, two dielectric layers, and two electrolyte layers. The anode is generally made of combustible aluminum foil, and the cathode is made of aluminum foil covered with an oxidized film. A thin layer of electrolyte is applied to the surface of the aluminum foil to form a dielectric layer between the anode and cathode. In the capacitor, an electric field is formed between the two electrodes, which stores the energy in the form of an electrostatic field.

The working principle of the 39D257G075JE7 capacitor is quite simple. The anode and cathode electrodes create a dielectric layer which holds an electrostatic charge, which stores energy when a voltage is applied. The maximum voltage that can be applied to the capacitor is determined by the rated voltage of the device. When the voltage is equal to or lower than the rated voltage of the capacitor, it can handle the power supply. When the voltage is higher than the rated voltage, the capacitor will be damaged and the stored energy will be lost. Additionally, if the capacitance is too large, it will cause large power losses and reduce the reliability of the device.

Conclusion

The 39D257G075JJE7 Aluminum Electrolytic Capacitor is suitable for use in high voltage AC applications, such as snubber circuits, motor AC starting circuits, frequency converters, and AC main circuit capacitors. Its working principle is straightforward: an electric field is formed between the two electrodes, which stores the energy in the form of an electrostatic field. When the voltage is equal to or lower than the rated voltage of the capacitor, it can handle the power supply; when the voltage is higher than the rated voltage, the capacitor will be damaged and the stored energy will be lost.

The specific data is subject to PDF, and the above content is for reference