B43084A2686M

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Aluminum Electrolytic Capacitors are a type of capacitors which use aluminum oxide layer as dielectric and electrolyte soaked up between two metal electrodes with a top metal foil used as an anode. B43084A2686M is a type of aluminum electrolytic capacitor. Its application field and working principle are described as below.

Application Field

B43084A2686M is a direct-mounted capacitors designed for use in EMI suppression circuits. Mainly applying to power supplies of various electronic devices with high switch power and in communication devices, they are seen more and more in fields like power supply electronics, personal computers, computers, communication products, home electronics, air conditioner, motor controlled, lightning devices, etc.

Working Principle

The core of B43084A2686M is composed of an electrolyte, a cathode foil and an anode foil. When voltage is increased, the anode and cathode electrodes are attracted to each other, forming an aluminum oxide layer dielectric. This allows current to flow from one electrode of the capacitor to the other, creating a charge and resulting in capacitance.

When the power is switched off, the aluminum oxide layer ensures that the charge stored on the electrodes is still retained, so that when power is switched on again, the charge buildup can be preserved and no charge needs to be replenished.

B43084A2686M thus provides a stable flow of current with good frequency-dependency for a variety of power supply and circuit designs, which makes them a popular choice in power supply and communication device designs where EMI protection is desired.

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