EKMS451VSN181MR25S

Applications:	General Purpose
Ripple Current @ Low Frequency:	1.06A @ 120Hz
Ripple Current @ High Frequency:	1.5158A @ 50kHz
Lead Spacing:	0.394" (10.00mm)
Size / Dimension:	1.181" Dia (30.00mm)
Height - Seated (Max):	1.083" (27.50mm)
Surface Mount Land Size:	--
Mounting Type:	Through Hole
Package / Case:	Radial, Can - Snap-In
Series:	KMS
Packaging:	Bulk
Lead Free Status / RoHS Status:	--
Part Status:	Active
Moisture Sensitivity Level (MSL):	--
Capacitance:	180µF
Tolerance:	±20%
Voltage - Rated:	450V
ESR (Equivalent Series Resistance):	--
Lifetime @ Temp.:	3000 Hrs @ 105°C
Operating Temperature:	-25°C ~ 105°C
Polarization:	Polar
Ratings:	--

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Introduction

Aluminum electrolytic capacitors are a type of electrical component that consists of two aluminum plates separated by an electrolyte. These capacitors are commonly used in a variety of electronics devices for energy storage and filtering of AC and DC electrical signals in the frequency range of 0 to 1Khz. In particular, the EKMS451VSN181MR25S series are popular for their high capacitance, low esr (equivalent series resistance), and compact size. This paper aims to provide an overview of the application field and working principle of the EKMS451VSN181MR25S series.

Application Field

Aluminum electrolytic capacitors are highly versatile and are found in a variety of applications, such as power supplies, audio filters, and solar inverters. The EKMS451VSN181MR25S series is especially well-suited for power filtering and dc to dc conversions, especially applications with low ambient temperatures such as low-temperature industrial environments and medical equipment.The EKMS451VSN181MR25S is also well-suited for high frequency, high ripple filtering applications due to its extremely low equivalent series resistance and excellent leakage current. This makes it the ideal choice for voltage and current stabilization in high frequency circuits.

Working Principle

As mentioned above, aluminum electrolytic capacitors consist of two aluminum plates separated by an electrolyte. When a voltage is applied across the capacitor, the electrolyte conducts electricity between the two plates and the aluminum metal is oxidized. This creates an electric field that causes a charge to build up on the two aluminum plates.The buildup of charge causes an electrostatic field to be created between the two plates, and this field is responsible for creating and maintaining the capacitance of the device. The electrolyte also serves to reduce the effects of both leakage current and equivalent series resistance, which allows for low-cost and long-lived power filtering and regulation in a variety of applications.

Conclusion

The EKMS451VSN181MR25S series of aluminum electrolytic capacitors is an ideal choice for power supply filtering, voltage stabilization, and dc-to-dc conversions in industrial, medical, and other high-reliability applications, where their low ESR and excellent leakage current performance makes them invaluable. In conclusion, the EKMS451VSN181MR25S series is an excellent choice for any application where low ambient temperatures and high performance are required.

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