SN330M025ST

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Aluminum electrolytic capacitors are among the most widely used capacitors in the electronics industry, thanks to their high power capability, low equivalent series resistance (ESR), and wide range of capacitance values. SN330M025ST is an aluminum electrolytic capacitor manufactured by Mitsubishi Electric that is suited for high-power applications. This article gives an overview of SN330M025ST and its application fields as well as the associated working principles.

Overview of SN330M025ST

The SN330M025ST capacitor is a screw-terminal type aluminum capacitor with a rated voltage of 330 volts and a capacitance of 25,000 microfarads (25,000 μF). As such, it is an ideal choice for many common industrial applications, including welding machines, AC power supplies, and solar inverters. In terms of its product dimensions, SN330M025ST has an overall diameter of about 115 mm and a height of about 93 mm. Also, the screw leads are 8 mm in diameter.

Application fields of SN330M025ST

The SN330M025ST aluminum electrolytic capacitor is particularly suitable for applications that require a high capacitance value and reliable performance. As such, it can be effectively used in welding machines and AC power supplies, including high power UPS and local power systems. It is also suitable for application fields that require a compact design, such as medical equipment, solar inverters, and motor control systems.

The SN330M025ST capacitor also finds application in various fields of modern electronics, including automobiles, electric trains, isolators, cable boxes, and communication systems. Besides, due to its exceptional high current capacity, superior pulse performance, and high-temperature operating capability, SN330M025ST can be used in computer servers and high-power systems.

Working principle of SN330M025ST

SN330M025ST aluminum electrolytic capacitor adopts an electric double-related polarized structure that is highly efficient for operating in pulse/high frequency conditions. The capacitor is made up of an anode (electrically positive), a cathode (electrically negative), and an electrolyte, a special electrical conducting liquid between the anode and cathode. A dielectric film is then produced on the surface of the anode by electrolysis. The entire process happens automatically when the capacitor is connected with power.

The dielectric film acts as an insulator between the anode and cathode, thus creating a capacitive effect. This capacitive effect allows the capacitor to store energy and act like a power source. Therefore, when an electric current passes through SN330M025ST, the capacitor absorbs and releases electrical energy in the form of voltage spikes. As a result, it functions like a high-capacity reserve power source in electronic applications.

Conclusion

This article has provided an overview of SN330M025ST aluminum electrolytic capacitor and its applications in various fields. The capacitor is particularly suitable for high-power applications due to its high capacitance value and reliable performance. Furthermore, its working principle involves the production of a dielectric film, which creates a capacitance effect, allowing the capacitor to store and release electrical energy in the form of voltage spikes. This makes the capacitor an ideal choice for applications that require a high-capacity reserve power source.

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