400WA22MEFC18X16

Polarization:	Polar
Package / Case:	Radial, Can
Mounting Type:	Through Hole
Surface Mount Land Size:	--
Height - Seated (Max):	0.689" (17.50mm)
Size / Dimension:	0.709" Dia (18.00mm)
Lead Spacing:	0.295" (7.50mm)
Ripple Current @ High Frequency:	339mA @ 10kHz
Ripple Current @ Low Frequency:	226mA @ 120Hz
Applications:	General Purpose
Ratings:	--
Series:	WA
Operating Temperature:	-25°C ~ 85°C
Lifetime @ Temp.:	2000 Hrs @ 85°C
ESR (Equivalent Series Resistance):	--
Voltage - Rated:	400V
Tolerance:	±20%
Capacitance:	22µF
Moisture Sensitivity Level (MSL):	--
Part Status:	Active
Lead Free Status / RoHS Status:	--
Packaging:	Bulk

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Aluminum Electrolytic Capacitors

An aluminum electrolytic capacitor, sometimes called an electrochemical capacitor, is a type of capacitor that uses an electrolyte to store electrical energy electrostatically. This type of capacitor is the most commonly used in electronics due to their long life and relatively low cost. Aluminum electrolytic capacitors have two metal plates - the anode and the cathode - which are separated by an electrolyte material. The anode is typically made of aluminum, while the cathode is usually formed from a metal oxide.The aluminum electrolytic capacitor is often used in power supplies, DC filters, signal processing, energy storage, and other electronic applications. They are especially well-suited for applications where capacitance values are high, such as power supply decoupling, high-frequency signal processing, and audio processing.There are many types of aluminum electrolytic capacitors, and they are generally classified according to their construction and properties. One common type is the 400WA22MEFC18X16, which has a voltage rating of 400 volts and a capacitance of 18x16. This type of capacitor is commonly used in applications where high voltage and large capacitance values are needed, such as power supplies and DC filters.The 400WA22MEFC18X16 aluminum electrolytic capacitor is composed of two aluminum foils that are rolled into a cylindrical shape. The internal surface area of the cylinder is covered with a metal oxide coating, such as tantalum pentoxide or niobium pentoxide. The anode is formed from the aluminum foil, while the cathode is formed from the metal oxide coating. The anode and cathode are separated by an electrolyte material, such as an aqueous solution or a gel-like substance.When the capacitor is in a charged state, electrons flow from the anode to the cathode and then return to the anode. This creates a capacitor that stores energy in the form of an electrical field between the two plates. As current flows through the capacitor, the electric field is weakened, and the capacitor\'s voltage is reduced.The working principle of aluminum electrolytic capacitors is based on Faraday\'s law of electrolysis. This states that the amount of charge (in coulombs) flowing through an electrolyte material is directly proportional to the amount of electrolyte present and the applied voltage. This means that when the voltage increases, the amount of charge on the capacitor\'s plates increases and thus its capacitance increases. The 400WA22MEFC18X16 aluminum electrolytic capacitor has a maximum capacitance of 18x16 when the applied voltage is 400 volts.In summary, the 400WA22MEFC18X16 aluminum electrolytic capacitor is a type of capacitor that is commonly used in high-voltage applications and applications where larger capacitance values are required. The capacitor is composed of two aluminum foils that are covered with a metal oxide coating and separated by an electrolyte material. When a voltage is applied across the capacitor, electrons flow between the plates and the capacitance increases. This increases the stored energy in the form of an electric field and thus improves the capacitor\'s performance.

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