SH6R8M350ST

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Aluminum Electrolytic Capacitors and the SH6R8M350ST Application Field and Working Principle

Aluminum electrolytic capacitors are commonplace in electrical engineering and have many useful applications. They are typically constructed with an anode of aluminum oxide, a separator layer of formed insulating material and a cathode metal of copper or steel, and connected to a lead wire. There are various types of the aluminum electrolytic capacitor, this particular application of the SH6R8M350ST is a snap fitting type with an axial lead and a high temperature tolerant configuration. This section will look at the application field and working principle of the SH6R8M350ST aluminum electrolytic capacitor in more detail.

Application Fields

The SH6R8M350ST is a popular model of an aluminum electrolytic capacitor. It is an axial lead type capacitor, rated for a capacitance of 350 microfarads with a rated voltage of 6.3Vdc. This capacitor is widely available, at a relatively low cost, and is suitable for a variety of applications, such as as snubber circuits, power supply filters, polarity reversal circuits, and as smoothing capacitors for diodes. Due to its temperature performance, it can be used in high-temperature environments such as motor starters, connectors, and lighting.

Working Principle

The SH6R8M350ST aluminum electrolytic capacitor is constructed with a base layer of aluminum foil, which acts as the anode. This base layer is then sprayed with a gel electrolyte containing a mixture of solvents, metal salts, and water that acts as the dielectric. The electrolyte is held in position by the anode and also serves as the electrical connection between the anode and cathode. A thin paper separator encloses the electrolyte and completes the package.

The electrolytic capacitor works by forming an electrochemical reaction between the dielectric and electrolyte. When voltage is applied, current is passed through the electrolyte to the anode, leading to the formation of an oxide layer on the anode. This oxide layer serves as the dielectric layer and provides the majority of the capacitance in an electrolytic capacitor. The electrolytic capacitor is able to store charge even when there is no current passing through it, and this energy is released when the capacitor is discharged.

Conclusion

The SH6R8M350ST aluminum electrolytic capacitor is a snap-fitting type of capacitor, rated for a capacitance of 350 microfarads and a rated voltage of 6.3Vdc. Its axial lead allows for easy installation in a variety of applications. It is temperature tolerant, increasing its suitability for applications in high temperature environments. This capacitor principle works by forming an electrochemical reaction between the dielectric and electrolyte, leading to the formation of an oxide layer on the anode which acts as the dielectric layer.

In conclusion, the SH6R8M350ST aluminum electrolytic capacitor is a useful and reliable component for many electrical applications. Its wide availability at a relatively low cost combined with its high temperature tolerance make it an attractive choice for applications requiring a snap fitting type of capacitor.

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