227SVH050MGE

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Aluminum Electrolytic Capacitors: 227SVH050MGE Application Field and Working Principle

Aluminum electrolytic capacitors are very common capacitors that are widely found and used in most electronic circuits. Aluminum electrolytic capacitors, like other capacitors, are used for coupling, decoupling, tuning, and filtering applications. They are usually categorized by their electrical parameters, such as their voltage rating, capacitance, and temperature coefficient. The 227SVH050MGE is an aluminum electrolytic capacitor from Würth Electronics, designed for applications with an operating temperature range of -55 to +135°C.

Specifications

The 227SVH050MGE is a general-purpose aluminum electrolytic capacitor with a voltage rating of 50V. It has an ultra-low ESR of 0.075Ω and an ultra-low ESL of 0.002µH for optimal high-frequency performance.

The 227SVH050MGE features a high capacitance of 2.7µF, a ripple current of 400mA, and a wide temperature range of -55 to +135°C. It is designed with a 105°C end-of-life temperature threshold, making it ideal for extended life applications. The capacitor is mounted in a radial configuration, and is compliant with the RoHS Directive.

Applications

The 227SVH050MGE is ideal for industrial electronics applications, such as automation, motor control, drive technology, lighting, and other switch-mode power supplies. It is also suitable for a variety of consumer electronics applications, such as display monitors, gaming consoles, and other high-frequency products.

Working Principle

Aluminum electrolytic capacitors are widely used in circuits because of their low cost and large capacitance. The 227SVH050MGE aluminum electrolytic capacitor works on the same principle as other aluminum electrolytic capacitors. It consists of two foil strips - an anode strip and a cathode strip - that are separated by an electrolyte, typically a solution of boric acid or ammonium nitrate.

When a voltage is applied to the capacitor, the electric field created across the oxide layer causes a chemical reaction in the electrolyte, which in turn produces ions. These ions migrate towards the oppositely charged electrode, forming the electric field between the two electrodes. This forms an electrostatic charge on the two plates, creating a capacitor.

The capacitance of an aluminum electrolytic capacitor depends on the area of the plates, the spacing between them, and the dielectric strength of the electrolyte. Higher dielectric strength of the electrolyte leads to higher capacitance and, hence, higher voltage ratings. The 227SVH050MGE is rated for voltage up to 50V due to its high dielectric strength electrolyte.

Conclusion

The 227SVH050MGE aluminum electrolytic capacitor is a general-purpose capacitor that is suitable for industrial, consumer, and automotive electronics applications. Due to its high capacitance, wide temperature range, and low ESR, it is ideal for extended life applications. The 227SVH050MGE works on the same principle as other aluminum electrolytic capacitors, with the capacitance depending on the area of the electrodes, the spacing between them, and the dielectric strength of the electrolyte.

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