EKMS421VSN271MQ45S

Polarization:	Polar
Package / Case:	Radial, Can - Snap-In
Mounting Type:	Through Hole
Surface Mount Land Size:	--
Height - Seated (Max):	1.870" (47.50mm)
Size / Dimension:	1.000" Dia (25.40mm)
Lead Spacing:	0.394" (10.00mm)
Ripple Current @ High Frequency:	1.9448A @ 50kHz
Ripple Current @ Low Frequency:	1.36A @ 120Hz
Applications:	General Purpose
Ratings:	--
Series:	KMS
Operating Temperature:	-25°C ~ 105°C
Lifetime @ Temp.:	3000 Hrs @ 105°C
ESR (Equivalent Series Resistance):	--
Voltage - Rated:	420V
Tolerance:	±20%
Capacitance:	270µF
Moisture Sensitivity Level (MSL):	--
Part Status:	Active
Lead Free Status / RoHS Status:	--
Packaging:	Bulk

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Aluminum Electrolytic CapacitorsAluminum electrolytic capacitors are components that are used to store electric charge and are found in a myriad of electronic circuits. EKMS421VSN271MQ45S is a series of aluminum electrolytic capacitors that are used in various applications and have specific properties and advantages. In this article, we will discuss the application field and working principle of this series of capacitors.Aluminum electrolytic capacitors are typically employed in electrical circuits for a wide range of applications such as power supply filtering and power factor correction, signal amplification and processing, as well as motor control and automotive applications. The EKMS421VSN271MQ45S series of capacitors are also used in the same manner to provide electrical circuits with the required capacitance values and performance.These capacitors find their use in some applications that require low ESR and high ripple current ratings, a long service life, a high temperature rating, or a compact size. Some of the typical applications for the EKMS421VSN271MQ45S series of aluminum electrolytic capacitors include telecom base stations, industrial, automotive, and medical equipment, power supplies for LED lighting, computers, and server equipment, and home appliances.The EKMS421VSN271MQ45S series provides high capacitance density and ripple current performance, making them suitable for applications in which space is limited. The capacitance of these components ranges from 2.2µF to 47µF while the rated voltages range from 6.3V to 100V. These devices have a long service life of up to 2500 hours and their leakage current is rated as low as 0.1µA.The working principle of aluminum electrolytic capacitors relies on using aluminum oxide to form a dielectric layer between two metallic electrodes. In the EKMS421VSN271MQ45S series, a section of aluminum foil is etched with an oxide layer and rolled into a cylinder that is then fitted with a pair of metal plates with electrodes.The area enclosed by the foil, which is now insulated, forms the capacitance. This oxide layer acts as a dielectric material, which is an excellent insulator and helps to reduce capacitance losses. As current is passed through the electrolytic capacitor, charge accumulates on the metal plates on either side of the oxide layer, forming what is known as a charge storage device.In summary, the EKMS421VSN271MQ45S series of aluminum electrolytic capacitors are used in a variety of electronic applications such as power supply filtering, signal processing, and motor control. These capacitors are designed to provide high capacitance density and ripple current performance and carry a long service life. The working principle of these components involves using a section of aluminum foil with an oxide layer to form a dielectric layer, which is used to store charge and pass current.

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