SMH6.3VN393M22X50T2

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Aluminum electrolytic capacitors, also known as aluminum electrolytic caps, are electronic components used to store electrical charges in electrical circuits. These capacitors are commonly used to decouple power supplies, serve as filters and bypass capacitance. The SMH6.3VN393M22X50T2 is a particular type of aluminum electrolytic capacitor.

Introduction to Aluminum Electrolytic Capacitors

Aluminum electrolytic capacitors, or simply “aluminum caps”, are constructed of an anode made from a rolled and etched aluminum foil, a layer of electrically insulating material known as the dielectric, and a cathode made of a paper or plastic solid electrolyte material. These components are sealed together in a can-like housing known as a canister, with a hole in the top configured for soldering or connecting by other means. In the canister, an anode terminal made of aluminum foil is crimped to the cable, and a cathode terminal consisting of a solid electrolyte material is crimped to the other cable.

Aluminum electrolytic capacitors are polar devices, meaning that they have a positive terminal and a negative terminal. The positive terminal must always be connected to the higher potential in the circuit, otherwise a short circuit may occur. The negative terminal must always be connected to the lower potential in the circuit.

Applications of SMH6.3VN393M22X50T2 Aluminum Electrolytic Capacitors

The SMH6.3VN393M22X50T2 is an aluminum electrolytic capacitor designed for use in power supply decoupling, filtering, and bypass applications. It is a surface-mount device with an electrolyte capacitance of 22 µF and a voltage rating of 6.3 V. This capacitor has a long life rating of 2000 hours at 105°C and is excellent for use in high temperature environments.

This capacitor is ideal for use in commercial electronics, automotive and industrial applications. It is useful in applications requiring frequency of up to 1 MHz and pulse amplification. It has low E.S.R. (equivalent series resistance), thus reducing the power loss in the circuit. This capacitor is also well-suited for use in power supplies, converters, and DC/DC converters as it provides excellent decoupling and filtering abilities.

Working Principle of SMH6.3VN393M22X50T2 Aluminum Electrolytic Capacitors

The working principle of the SMH6.3VN393M22X50T2 aluminum electrolytic capacitor is based on the fact that when a voltage difference exists between the positive and negative terminals, charges of opposite polarity will accumulate on the opposite sides of the dielectric material in the capacitor. This charge accumulation creates an electric field, which opposes the applied voltage. This produces a capacitive effect, which results in a reduction in current flow.

The capacitance of the capacitor is a measure of its ability to store electric charges. The SMH6.3VN393M22X50T2 aluminum electrolytic capacitor has a capacitance of 22 µF, meaning that it can store 22 micro Coulombs of electric charges when the voltage across its terminals is equal to the rated voltage.

In order to maintain the capacitance value, the voltage across the terminals must not exceed the rated voltage. If the voltage across the terminals of the SMH6.3VN393M22X50T2 exceeds the rated voltage, the dielectric breaks down, allowing electric current to flow, thus reducing the capacitance of the capacitor.

Conclusion

The SMH6.3VN393M22X50T2 is a surface-mount aluminum electrolytic capacitor used in commercial, automotive, and industrial applications. It is designed to provide excellent decoupling and filtering abilities, and it has a long life rating of 2000 hours at 105°C. The capacitor can store 22 micro Coulombs of electric charges when the voltage across its terminals is equal to the rated voltage, and it will begin to rapidly lose its capacitance beyond the rated voltage.

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