MAL209679821E3

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Aluminum Electrolytic Capacitors

Aluminum Electrolytic Capacitors, or Al-Elecs for short, are polarized capacitors with an anode in the form of a corrugated or plain aluminum foil and a cathode which is a layer of metal oxide. The oxide layer acts as the dielectric between the electrodes, providing superior capacitance and voltage storage capacity with very favorable characteristics. Al-Elecs are used for applications requiring a high rating of voltage, storage, and/or ripple current. The types of capacitors that fall under this category are electrolytic, non-polarized, wet, liquid, dry, high voltage, polarized, and surface mount.

MAL209679821E3 Application Field and Working Principle

The MAL209679821E3 Aluminum Electrolytic Capacitor is an SMD (Surface Mount Device) capacitor, which is ideal for use in modern DC/DC converters and switching power supplies. The MAL209679821E3 is a compact, cylindrical-shaped, surface mount component with a capacitance of 47µF and a maximum working voltage of 63Vrms. This capacitor has a negligible series resistance and provides excellent filtering, ripple suppression, and EMI (ElectroMagnetic Interference) shielding performance.

The working principle of the MAL209679821E3 Aluminum Electrolytic Capacitor is based on the fact that an electrical charge will accumulate on the anode of the capacitor when the capacitor\'s plates are subjected to a voltage source. This electrical charge induces a charge on the opposite side of the capacitor, which in turn creates an electrical field between the capacitor\'s plates. This electrical field enables the capacitor to store electrical energy in the form of a charge.

The MAL209679821E3 also features a terminal that is connected to the cathode of the capacitor, which provides an electrical connection between the capacitor and the external circuit. This electrical connection is essential for the capacitor to function properly as it allows for charge to be transferred between the capacitor and the external circuit.

The MAL209679821E3 also has excellent performance in high frequency applications. This is due to its low ESL (equivalent series inductance) and ESR (equivalent series resistance) values, which enable it to have a larger capacitance than non-polarized electrolytic capacitors. The MAL209679821E3 is also capable of storing a large amount of energy due to its low-ESR and extremely low self-discharge characteristics.

The MAL209679821E3 is perfect for applications that require excellent ripple suppression, EMI shielding, filtering, and a long lifetime. It is ideal for use in DC/DC converters, switching power supplies, and other applications that require robust and reliable performance.

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