EKMH401VSN181MQ45T

Operating Temperature:	-25°C ~ 105°C
Package / Case:	Radial, Can - Snap-In
Mounting Type:	Through Hole
Surface Mount Land Size:	--
Height - Seated (Max):	1.850" (47.00mm)
Size / Dimension:	1.000" Dia (25.40mm)
Lead Spacing:	0.394" (10.00mm)
Applications:	General Purpose
Ratings:	--
Polarization:	Polar
Series:	KMH
Lifetime @ Temp.:	2000 Hrs @ 105°C
ESR (Equivalent Series Resistance):	--
Voltage - Rated:	400V
Tolerance:	±20%
Capacitance:	180µF
Moisture Sensitivity Level (MSL):	--
Part Status:	Active
Lead Free Status / RoHS Status:	--
Packaging:	Bulk

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Introduction

Aluminum electrolytic capacitors are a type of electrical components used to store electric charges. They are commonly found in electronic circuits, such as computers, servers, and other electronic and electrical devices. The particular type of aluminum electrolytic capacitor used in this article is the EKMH401VSN181MQ45T capacitor. This article will discuss the application fields and the working principle of this type of capacitor.

Application Fields

The EKMH401VSN181MQ45T aluminum electrolytic capacitor is specifically designed for applications requiring high-capacitance values in a small physical size. It is commonly used in automotive systems, consumer electronics, power electronics, and industrial control devices. Its small size is beneficial when space is limited, and its high-capacitance makes it suitable for high voltage or power applications. It is also commonly used in computers and servers, as it provides more capacitance than other types of aluminum electrolytic capacitors.

Construction

The construction of the EKMH401VSN181MQ45T includes a cylindrical anode made of aluminum foil, a polypropylene separator, and a cathode made of aluminum foil with a dielectric oxide surface. The separator prevents the two foils from making contact with each other and allows for an increased capacitance value. The assembly also includes a casing made of epoxy resin and terminals made of metal.

Working Principle

The working principle of the EKMH401VSN181MQ45T aluminum electrolytic capacitor is based on the principle of capacitance. When a voltage is applied to the capacitor, electric charges build up on the anode and the cathode, forming an electric field between them. This electric field is capable of storing energy, which can be released later upon application of reverse voltage. The size of the electric field and its capacitance depend on the size and type of capacitor.

Conclusion

The EKMH401VSN181MQ45T aluminum electrolytic capacitor is designed for applications requiring high capacitance values in a small size. Its versatility and high-capacitance make it ideal for a variety of uses, including automotive systems, consumer electronics, power electronics, industrial control devices, and computers and servers. The working principle of the EKMH401VSN181MQ45T is based on the foundation of capacitance: It stores an electric field between the anode and cathode when a voltage is applied, which is released upon application of reverse voltage.

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