ALS70A622NJ450

Polarization:	Polar
Package / Case:	Radial, Can - Screw Terminals
Mounting Type:	Chassis Mount
Surface Mount Land Size:	--
Height - Seated (Max):	4.606" (117.00mm)
Size / Dimension:	3.031" Dia (77.00mm)
Lead Spacing:	1.252" (31.80mm)
Impedance:	25 mOhms
Ripple Current @ High Frequency:	22.9A @ 10kHz
Ripple Current @ Low Frequency:	15.9A @ 100Hz
Applications:	General Purpose
Ratings:	--
Series:	ALS70
Operating Temperature:	-40°C ~ 85°C
Lifetime @ Temp.:	20000 Hrs @ 85°C
ESR (Equivalent Series Resistance):	36 mOhm @ 100Hz
Voltage - Rated:	450V
Tolerance:	±20%
Capacitance:	6200µF
Moisture Sensitivity Level (MSL):	--
Part Status:	Active
Lead Free Status / RoHS Status:	--
Packaging:	Bulk

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Aluminum Electrolytic Capacitors: ALS70A622NJ450 Application Field and Working Principle

Aluminum electrolytic capacitors, often abbreviated as AECs, are one of the most widely used components in electronic circuits. With their unique features of having high capacitive value with a relatively small size, AECs are used everywhere, from consumer electronics, to automotive and aerospace applications.The ALS70A622NJ450 is a type of AECs that is designed for use in applications that require a very low leakage current, such as RF and microwave circuits. It is smd capacitor with a 4.5mm maximum length and 2.2mm maximum height. It has a capacitance value of 70μF and a voltage rating of 16V.The working principle of AECs is based on the electrochemical reactions that occur between two dissimilar metal plates and an electrolyte. This electrochemical reaction causes a build up of charge and this charge creates an electric field that can be used to store potential energy.When a voltage is applied to the two metal plates, the charge on one will become more positive and the other will become more negative. This process is known as an oxidation-reduction reaction. This reaction causes a layer of oxide to form on the plates, thus increasing the dielectric constant of the capacitor and increasing its capacitance value.The ALS70A622NJ450 capacitor works in the same way as other AECs. It has two metal plates, made of aluminum, separated by an electrolytic solvent, most commonly a mixture of water and ethanol. When a voltage is applied, an electrochemical reaction takes place, resulting in the build up of charge on the plates.The ALS70A622NJ450 is specifically designed to have a low leakage current. In order to achieve this, an additional layer of film material is added to the plates to increase the dielectric constant and reduce the leakage of current between the plates. This additional layer of film also provides excellent electrical insulation of the plates from each other and helps to prevent arcing and sparking.The ALS70A622NJ450 is suitable for use in a variety of applications, such as automotive electronic components, mobile phones, telecommunication and wireless networks. The capacitor is also used in RF circuits, where it helps to reduce distortions due to electric fields and increase the frequencies that the circuit can handle.The use of aluminum electrolytic capacitors has increased dramatically over the past few decades. This is due to their unique features, such as their large capacitance values, small size and relatively low cost. It is likely that the use of AECs will continue to grow as the technology continues to improve and new applications are developed.

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