EGPD630ELL911MK35H

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Aluminum Electrolytic Capacitors

Aluminum electrolytic capacitors are used extensively in electronics due to their high capacitance and compact size. Due to their construction, they are particularly suitable for applications where a large amount of energy needs to be stored, like in DC-DC converters and AC-DC converters. The part number EGPD630ELL911MK35H is a radial-leaded aluminum electrolytic capacitor.

A capacitor stores energy in the form of electrostatic fields, transferring energy through the capacitor in pulses or giving a smooth flow depending on the application. The capacitor has two electrodes, usually made from a conductive metal or ceramic material, which are separated by a dielectric material that acts as an insulator. In electrolytic capacitors, the dielectric is an electrolyte solution or a thin layer of oxide on the metal electrode. This type of capacitor is polarized and has a positive and negative terminal.

Construction of EGPD630ELL911MK35H

The EGPD630ELL911MK35H utilizes a radial-leaded aluminum electrolytic construction. The capacitor is available in a cylindrical can with the two aluminum foil electrodes wound concentrically around the vertical axis, each having different diameters. Each electrode is separated by an electrolyte. The electrodes are connected by an electrolyte-filled glass tube in the center of the can. The leads are formed from a conductive material like aluminum or copper, while glass-fiber reinforcement is used to form the connection between the leads and the aluminum foil electrodes.

Features of EGPD630ELL911MK35H

This aluminum electrolytic capacitor has a high capacitance of 630 µF and a rated voltage of 63V. It has an E-sized can design with an 11 mm lead spacing. The capacitor also has low ESR and ESL ratings making it suitable for high frequency applications. It offers high ripple-current capability and excellent durability making it suitable for high durability applications. The voltage derating rate is 10% per 1000 h, whereas the rate of derating for ripple current is 20% per 1000 h. The capacitor has a wide operating temperature range of -40°C to +85°C.

Application field and working principle

The EGPD630ELL911MK35H aluminum electrolytic capacitor is designed for DC-DC converters, AC-DC converters, and other high energy applications where lower inductance is a must. Due to its capacitance and rated voltage, it is suitable for high-frequency rectification, power supplies, smoothing applications, and various filters. The capacitor also offers very low ESR and ESL making it suitable for high frequency applications.

The working principle of the capacitor is the same for all types of electrolytic capacitors. The energy stored in the capacitor is in the form of electrostatic fields. When a voltage is applied, electrons move through the electrolyte, creating an electric field between the metal plates or the electrodes. This electric field stores energy in the form of electrostatic fields, allowing the capacitor to store energy over a given time period.

The capacitor has two terminals, a positive and negative terminal. The positive terminal is attached to the higher voltage side of the circuit, while the negative is connected to the lower voltage side. When the voltage is applied, it causes electrons to flow from the negative terminal to the positive, creating an electric field between the two electrodes. As electrons pass between the two terminals, they create an electric field that stores the energy.

The stored energy in the capacitor can be used to charge the circuit, providing a steady output voltage, or to draw current from a supply during a temporary low in current. The capacitor can also be used for filtering applications, as it can store energy over a given time period, allowing it to be used to filter out high frequencies from the signal.

The EGPD630ELL911MK35H is an excellent choice for DC-DC converters, AC-DC converters, and other high energy applications due to its high capacitance, rated voltage, and excellent ESR and ESL ratings. Thanks to its wide operating temperature range and its low voltage derating rates, the capacitor is suitable for use in a wide range of applications.

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