187LBB400M2BF

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Aluminum Electrolytic Capacitors are an important component in the electronic industry. They are small components that store energy in electrical form and are used in many types of electronic equipment. 187LBB400M2BF is a type of aluminum electrolytic capacitor manufactured by a major manufacturer and used in various areas of electronics. In this article, we will discuss its specifications, application field and working principle.

Specifications: 187LBB400M2BF aluminum electrolytic capacitors have an operating temperature range of -40 C to +105 C. They have a rated voltage of 400VAC, rated capacitance of 2200uF, leakage current of 23mA @20\'C, and an impedance of less than 24.7 OHM @120Hz/20\'C. Other specifications include a PCB mounting screw with M2.6 x 4.7mm, a dissipated ripple current of 2475mA, and a life expectancy of 2000 hours.

Application field: 187LBB400M2BF aluminum electrolytic capacitors are mainly used in the power supplies of various electronic products, such as television sets, audio equipment, computers, and more. They are also often used as filtering components in high voltage power grids as well as medical and military equipment.

Working principle: Aluminum electrolytic capacitors are constructed from an anode, a cathode, and an electrolyte sandwiched between them. The anode is a piece of aluminum foil punched with holes and coated with an oxide layer. The oxide layer acts as an insulating barrier and prevents electric current from flowing directly between the aluminum anode and the electrolyte yet still provides a conduction path between the anode and the electrolyte. The cathode is made up of conductive polymer material which acts as a conductive path between the anode and the electrolyte. The electrolyte is a liquid containing ionized salts which allows for the diffusion of electrons between the anode and the cathode. When electric current flows through the capacitor, the anode releases electrons to the electrolyte, while the cathode absorbs electrons from the electrolyte. This causes the capacitance of the capacitor to change and store electrical energy.

Overall, 187LBB400M2BF aluminum electrolytic capacitors are an essential component in many electronic electronics applications due to their high capacitance, low impedance and excellent temperature and voltage stability. They are designed to provide long life and reliable performance in the most demanding applications. They are also widely used due to their low cost and ease of use in the industry.

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