ESMM451VSN820MQ20S

Series:	SMM
Packaging:	Bulk
Lead Free Status / RoHS Status:	--
Part Status:	Active
Moisture Sensitivity Level (MSL):	--
Capacitance:	82µF
Tolerance:	±20%
Voltage - Rated:	450V
ESR (Equivalent Series Resistance):	4.043 Ohm @ 120Hz
Lifetime @ Temp.:	3000 Hrs @ 85°C
Operating Temperature:	-25°C ~ 85°C
Polarization:	Polar
Ratings:	--
Applications:	General Purpose
Ripple Current @ Low Frequency:	740mA @ 120Hz
Ripple Current @ High Frequency:	1.0582A @ 100kHz
Lead Spacing:	0.394" (10.00mm)
Size / Dimension:	1.000" Dia (25.40mm)
Height - Seated (Max):	0.866" (22.00mm)
Surface Mount Land Size:	--
Mounting Type:	Through Hole
Package / Case:	Radial, Can - Snap-In

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Aluminum Electrolytic Capacitors – ESMM451VSN820MQ20S Application Field and Working Principle

Aluminum electrolytic capacitors are widely used in a variety of applications due to their well-known benefits including high capacitance, small size, and low cost. ESMM451VSN820MQ20S capacitors are especially popular because of their exacting specifications, reliable performance in adverse conditions, and high capacity. This article will discuss their application field and working principle.The application field of ESMM451VSN820MQ20S capacitors is extremely diverse. They are often used in automotive electronic systems, stabilizing power in computer motherboards, controlling motion and current in high-speed switching circuits, as well as electrical noise suppression in radio receivers and transmitters. They are also frequently employed in consumer electronics, telecommunications systems, industrial electronics, and machinery applications.In terms of their working principle, ESMM451VSN820MQ20S capacitors rely on a self-contained electrochemical system. The two electrodes are immersed in an electrolyte and then separated by a porous diaphragm. When a voltage is applied, an electric field is created, forming a dielectric between the two plates. The dielectric allows for an effective storage of charge which can then be used to supply power in an alternating current (AC) system.The structure of the ESMM451VSN820MQ20S capacitor is unique. It includes an anode, cathode, and a membrane-like cover. The anode consists of an aluminum foil with oxide layer and a high surface area. The oxide layer is responsible for maintaining the stability of the capacitor in difficult operating conditions and prevents current leakage. The cathode is a highly conductive electrode made of a material such as MnO2. The membrane-like cover is a self-healing dielectric material which allows for very tight voltage regulation and efficient management of the leakage current.The benefits of using ESMM451VSN820MQ20S capacitors are numerous. They have a high capacitance to size ratio, excellent efficiency and voltage stability in harsh conditions, and an extended life span. They are also highly reliable, due to their unique metallic oxide layer and the self-healing properties of the cover material. In addition, they are generally less expensive than other types of capacitors, making them an attractive choice for a variety of applications.In summary, ESMM451VSN820MQ20S capacitors are widely used in many industries thanks to their unique properties and cost effectiveness. They are well-suited for automotive systems, computer motherboards, and switching circuits due to their high capacitance, tight voltage regulation, and self-healing dielectric material. Understanding their working principle and structure is essential in order to take full advantage of their benefits.

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