E74D400LPN113UC79M

Series:	U74D
Part Status:	Active
Lead Free Status / RoHS Status:	--
Ratings:	--
Moisture Sensitivity Level (MSL):	--

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Aluminum Electrolytic CapacitorsAluminum electrolytic capacitors (also known as aluminum electrolytic capacitors) are widely used in various types of electronic equipment due to their capabilities for high-frequency filtering, high-frequency bypass, electro-sensitive resonance, and low-frequency coupling, as well as their low cost.This article is focused on the application field and working principle of the aluminum electrolytic capacitors, E74D400LPN113UC79M. This type of capacitors is used in the design of low-profile, high-efficiency, and reliable SMT (Surface Mount Technology) power supplies, which are becoming increasingly popular due to their easy assembly, high reliability, and low cost.The E74D400LPN113UC79M aluminum electrolytic capacitors have a reverse voltage of up to 10 V, a maximum operating temperature of 85°C, an insulation resistance of at least 10 G&OHgr;, a tŒ-value of up to 200 V, and a capacitance tolerance of ±20%. In addition, they have a self-healing property that can prevent damage from electrostatic discharge (ESD) and a low equivalent series resistance (ESR) that ensures stable capacitance and reduces EMI (electromagnetic interference) emissions.The working principle of aluminum electrolytic capacitors is based on the porous electrode and electrolyte systems. The electrolyte is composed of a solution of ions and polar molecules, and an electrode composed of aluminum foil and an insulating film. When voltage is applied to the capacitor, an electric current flows from the anode to the cathode and ions in the electrolyte are attracted to the electrodes. These ions are then stored on the surface of the electrodes and form a double layer of opposite charge which creates the capacitance.The capacitance of the E74D400LPN113UC79M capacitors is mainly determined by the thickness of the electrodes, the size of the electrodes, the permittivity of the dielectric material, and the distance between the electrodes. The ESR of the E74D400LPN113UC79M capacitors is mainly determined by the diameter of the electrolyte, the pressure of the electrolyte, and the size of the inductor.In conclusion, aluminum electrolytic capacitors, such as the E74D400LPN113UC79M, have a wide range of applications in various types of electronic equipment, due to their low cost, wide operating range, high reliability, and good self-healing ability. The working principle of aluminum electrolytic capacitors centers around the porous electrode and electrolyte systems, which help to create a double layer of opposite charge to form the capacitance. The size and composition of the electrodes and the pressure of the electrolyte also play an important role in determining the capacitance and ESR of the capacitor.

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