EDH685M025A9BAA

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Aluminum Electrolytic Capacitors

Aluminum electrolytic capacitors, also known as aluminum electrolytic capacitors, are one of the most widely used capacitance components in electrical products. These components are composed of aluminum oxide film formed on the anode of aluminum foil, and organic polymer or liquid electrolyte as the cathode. They are mainly used in high-frequency and low-frequency power filters, and in radio frequency circuits and high-speed switching power supply circuits, for signal coupling, tuning, and energy storage.

EDH685M025A9BAA application field and working principle

EDH685M025A9BAA is an Aluminum Electrolytic Capacitor manufactured by Lelon Corporation. It is a small-sized solid aluminum capacitor with the product type code of EDH685, size code of M025 (20.2mm x 10.2mm x 14mm), and brand code of A9BAA (Lelon Capacitor). Manufactured using high-purity aluminum foils and special processes, this capacitor is designed to provide high capacitance, long life and high reliability.

The EDH685M025A9BAA is used in a wide range of applications including low voltage power supplies, decoupling, metering and machine control circuits. The capacitance range of this device is between 10µF and 10000µF and it is operated at a working temperature range of -55°C to +125°C. This capacitor has a voltage rating of 4V as well as a voltage derating of 0.5V/°C between -55°C and +85°C.

EDH685M025A9BAA working principle is the same as other aluminum electrolytic capacitors. After the anode aluminum foil is covered with a dielectric oxide film, the capacitor is charged. When a voltage is applied to the capacitor, the polarization of the dielectric causes the positive charges to move to the anode, while the negative charges move to the cathode. Thus, a layer of electric charges is formed on the dielectric oxide film, which produces the capacitance. The electric charges remain on the dielectric oxide film until the applied voltage is removed.

The EDH685M025A9BAA is ideal for use in applications where space and/or weight savings are critical such as battery back-ups, automotive electronics, meters and test equipment. This capacitor offers increased thermal and electrical performance compared to traditional aluminum electrolytic capacitors, allowing designers to reduce their system size while improving performance. It is available in an RoHS-compliant plastic package with leads that can be soldered for reliable connections.

In summary, the EDH685M025A9BAA is an aluminum electrolytic capacitor designed to provide high capacitance, long life and high reliability. Its application field is mainly in low voltage power supplies, decoupling, metering and machine control circuits. Its working principle is based on the polarization of the dielectric causing the positive charges to move to the anode while the negative charges move to the cathode.

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