USR1HR47MDD

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Introduction

USR1HR47MDD is a type of aluminum electrolytic capacitor with a cylindrical construction. It has good electrical characteristics and is widely used in applications such as power supply filters, oscillators, and signal lines.

Construction

The USR1HR47MDD is a radial type aluminum electrolytic capacitor composed of a cylindrical electrochemical core, an epoxy resin seal, and two metallic terminals. The core is made up of two layers of aluminum foil plates separated by a dielectric paper impregnated with an electrolyte. The electrolyte acts as a polarizing medium, and the two aluminum foil plates form the electrodes. The epoxy resin seal is used to protect the capacitor from moisture, air, and other contaminants.

Technology

The USR1HR47MDD is a high-performance aluminum electrolytic capacitor that uses advanced technologies such as an anodized aluminum oxide (AAO) layer, a multi-anode construction, and a special electrolyte to deliver superior performance. The anodized aluminum oxide (AAO) layer acts as a protective barrier and increases the capacitance of the capacitor. The mult-anode design increases the capacitance and reduces electrical losses. The special electrolyte is used to improve the effective capacitance, increase the reliability and reduce the leakage current.

Applications

The USR1HR47MDD aluminum electrolytic capacitor is mainly used in power supplies, filters, and signal lines. It is also used in applications such as DC-DC converters, PDAs, cellular phones, digital cameras, camcorders, and digital audio players due to its high reliability and low leakage current.

Working Principle

The USR1HR47MDD aluminum electrolytic capacitor utilizes the basic physical principle of capacitance. When a voltage is applied on the capacitor, an electric field is created between the two aluminum foil plates, which causes a separation of charges and the formation of an electrostatic field. The electrostatic field stores electrical energy, and this stored energy can be discharged when the voltage is removed. The capacitance of the USR1HR47MDD capacitor is determined by the size of the two aluminum foil plates, their spacing and the dielectric in between.

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