USF1E470MDD

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Aluminum electrolytic capacitors, also known as electrolytic capacitors, are polarized capacitors typically used in devices such as audio equipment, TVs, and computers. The USF1E470MDD is a specific aluminum electrolytic capacitor model, which has a wide range of applications in many common electrical and electronic systems. This article will discuss the application fields and working principles of the USF1E470MDD.

The USF1E470MDD is a wide temperature-range, long-life, small-size radial-lead aluminum electrolytic capacitor. It has a wide operating temperature range of -55°C to +125°C, a rated voltage of 6.3 VDC, a capacitance range of 4.7 µF to 470 µF, and a standard capacitance tolerance range of ±20% to ±50%. The capacitor has long-term stability and excellent endurance with a life expectancy of 1,300 – 3,000 hours at temperatures of 85°C and below. The low profile design of the capacitor makes it ideal for tight space applications.

The USF1E470MDD capacitor is used in a variety of applications, including AC-to-DC converters, portable devices, appliances, digital television receivers, automotive controls, motor control systems and industrial machinery. It is also used for dc-dc converters, computers, home audio and video equipment, digital signal processing (DSP), and instrumentation and control equipment.

The internal structure of the USF1E470MDD capacitor is made up of an electrolyte, a cathode and an anode. These elements have a structural relationship that allows them to be referred to as a “capacitor”. The electrolyte is an aqueous solution composed of charged ions, which creates a conductive medium between the anode and the cathode. The anode is an aluminum foil layer with a crystalline oxide layer coating, which acts as a semiconductor, allowing electrons to only travel in one direction. The cathode is usually an aluminum foil layer with a thin surface coating of manganese dioxide. The two layers are separated by a thin dielectric film, typically made from plastic or paper, which serves as an insulator, and prevents electrons from crossing from one layer to the other.

The capacitor operates based on the fundamentals of electrical charge storage, which is the ability of a material to store electrical energy, then release it as needed. When a voltage is applied to the capacitor, a current passes through the electrolyte, creating an electric current from the anode to the cathode. This creates a layer of negative charge on the anode, and a positive charge on the cathode. The dielectric film prevents electron movement between the two layers, so the charges remain stored in the capacitor until either the current or the voltage is removed. The capacitance of the capacitor is determined by the area of the anode and the cathode, and the distance between them.

In summary, the USF1E470MDD is an aluminum electrolytic capacitor with a wide range of applications in many electrical and electronic systems. It is characterized by its wide temperature range, extended life, and small size, making it well-suited for applications in tight spaces. Internally, the capacitor consists of an electrolyte, a cathode, and an anode separated by a dielectric film. It works on the fundamentals of electrical charge storage, which is the ability to store electrical energy and then release it as required.

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