SMG250VB221M18X40LL

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Aluminum electrolytic capacitors are widely used in electronic circuits, such as small electric and electronic appliances. They are characterized by large capacitance in a small volume and long service life. The SMG250VB221M18X40LL aluminum electrolytic capacitor is a part of the SMG series, and is one of the most common aluminum electrolytic capacitors.

An SMG250VB221M18X40LL aluminum electrolytic capacitor has the casing size of 18mmx40mm and contains a polar electrolyte as an inner medium. The voltage rating is 250V and its capacitance is 221uF. It has a single-ended current handling capacity of 20A, a pulsed current handling capacity of 30A, and a surge current handling capacity of 45A.

The application field of the SMG250VB221M18X40LL aluminum electrolytic capacitor is varied. It can be used in power supplies such as computer connector boards, in audio amplifiers of consumer electronics, and in power grids and network communication. It also can be used for sound systems, electronic circuits, and lighting systems. Moreover, compared with other electrolytic capacitors, this capacitor works reliably at high temperatures.

The actual working principle of the SMG250VB221M18X40LL aluminum electrolytic capacitor is the same as that of all other electrolytic capacitors. Inside the capacitor is an electrolyte, usually a mixture of water and ethylene glycol, sandwiched between two aluminum foils. Each of the two foils is etched with a thin oxide layer, which acts as a dielectric. This oxide layer prevents direct contact between the two aluminum foils, allowing only an electric current to flow.

When a voltage is applied to the capacitor, the electric field builds up between the two foils. This electric field causes a charge to accumulate near the electrodes, resulting in a strong electric field, thus creating the electric field. This electric field will store energy and increase the capacitance. The capacitance will remain stable until the capacitor\'s voltage is changed, causing the stored energy to be released.

The SMG250VB221M18X40LL aluminum electrolytic capacitor is specifically designed to provide stable and reliable performance under various operating conditions. With its high capacitance and low leakage rates, it can deliver both high pulse and low ripple current. With its excellent physical and mechanical characteristics, it can be used in a variety of electronic circuits and applications.

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