ESK226M016AC3AA

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Aluminum Electrolytic Capacitors

Aluminum electrolytic capacitors are one of the most common capacitor types used in everyday electronics. They are polarized capacitor components with a dielectric composed of aluminum oxide, a positive plate or anode made up of pure aluminum foil, and a negative plate or cathode made up of aluminum oxide. Due to their electrochemical construction, electrolytic capacitors have a large capacitance value in a small physical package and can handle high DC voltage values.

The ESK226M016AC3AA is an example of an aluminum electrolytic capacitor. This specific device is an axial, leaded capacitor with a maximum voltage of 450Vdc and a capacitance value of 16000uf (microfarad). It has a temperature range of -40°C to +85°C and is rated with a 10.0mm (millimeter) lead spacing for both the cathode and anode.

Application Field

Due to their very high capacitance value, aluminum electrolytic capacitors are typically used in applications such as power supply filtering, audio filtering, surge suppression, and energy storage circuits where large capacitance values are required. The ESK226M016AC3AA is widely used in motor control, AC motor drive, relay control, lighting, and UPS (uninterruptible power supply) applications.

Working Principle

Electrolytic capacitors operate on chemical principles, relying on a redox reaction between the aluminum and its oxide layer to create a chemical potential difference between the two plates of the capacitor. The positive plate or anode is made of pure aluminum, while the negative plate or cathode consists of a porous film of electrically conductive oxide. When an electric potential is applied across the plates, an electric field is created, which results in the buildup of an oxide layer on the anode.

This oxide layer acts as a dielectric medium that creates and maintains an electric field between the two plates of the capacitor. The thickness of the oxide layer determines the capacitance value of the capacitor, while the voltage rating is determined by the maximum potential strength of the field between the plates. The ESK226M016AC3AA’s 16000uf capacitance value and 450Vdc maximum voltage rating make it an ideal choice for many power supply and energy storage applications.

Aluminum electrolytic capacitors are becoming increasingly popular in many different types of electronic circuits, from the simple radio receiver to the most sophisticated electronic systems. The ESK226M016AC3AA is an ideal example of the versatile, reliable, and cost-effective aluminum electrolytic technology. With its high capacitance value and voltage rating, this device is a great choice for many different types of project and circuit applications.

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