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Aluminum Electrolytic Capacitors

UHV1V331MPD1TD application field and working principle

Aluminum electrolytic capacitors, also known as Aluminum Electrolytic Capacitors (ALEC), aluminum capacitors, electrolytic capacitors or tantalum electrolytic capacitors, are two types of capacitors that are widely used in the electronics industry. Aluminum electrolytic capacitors are generally characterized by large capacitance, high working voltage, and small size.

UHV1V331MPD1TD is one of the Aluminum Electrolytic Capacitors cataloged by TDK, Its application field are mainly for pulse load operations, for adequate resonance insulation for use in negative voltage (DC), positive voltage (DC), switching power supply applications and so on.

When it comes to Aluminum Electrolytic Capacitors, understanding its working principle is very important. The principle is based on a double electric layer formed on the surface of a solid dielectric material by ionic charge separation. The electrode and the dielectric interfacial layer form an electric double-layer capacitor, which is the basis for achieving the function of storing electric charge. In the manufacturing process of Aluminum Electrolytic Capacitors, metal foils (including aluminum foils and others) are used as electrodes on the dielectric, and an electrolyte (which is a conductor) is impregnated to increase the surface area of the dielectric, which can restore the charge-carrying ions to the electrode, thus forming a storage charge.

UHV1V331MPD1TD has a rated voltage of 350V AC/DC, a temperature range of -55 ℃ to +105 ℃, and a capacitance of 3300μF. It is used in pulse load operations and is ideal for resonance insulation in negative and positive DC voltage applications and for switching power supplies.

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