ESMH451VNN121MR25T

Polarization:	Polar
Package / Case:	Radial, Can - Snap-In
Mounting Type:	Through Hole
Surface Mount Land Size:	--
Height - Seated (Max):	1.063" (27.00mm)
Size / Dimension:	1.181" Dia (30.00mm)
Lead Spacing:	0.394" (10.00mm)
Ripple Current @ High Frequency:	1.4729A @ 100kHz
Ripple Current @ Low Frequency:	1.03A @ 120Hz
Applications:	General Purpose
Ratings:	--
Series:	SMH
Operating Temperature:	-25°C ~ 85°C
Lifetime @ Temp.:	2000 Hrs @ 85°C
ESR (Equivalent Series Resistance):	2.072 Ohm @ 120Hz
Voltage - Rated:	450V
Tolerance:	±20%
Capacitance:	120µF
Moisture Sensitivity Level (MSL):	--
Part Status:	Active
Lead Free Status / RoHS Status:	--
Packaging:	Bulk

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Aluminum Electrolytic Capacitors: ESMH451VNN121MR25T Application Field and Working Principle

Aluminum electrolytic capacitors, also known as electrolytic caps, are highly capable components that allow for the storage of electrical energy in electronic circuits. With their wide range of applications, they are one of the most used components in the industry of electronics. The ESMH451VNN121MR25T is a type of aluminum electrolytic capacitor which has its own unique combination of characteristics that make it suitable for certain tasks. In this article, we will discuss the application field and working principle of the ESMH451VNN121MR25T.The ESMH451VNN121MR25T aluminum electrolytic capacitor is a type of non-polarized, radial-leaded capacitor. It is mainly used for general purpose applications, such as computer and telecom equipment, industrial applications, in addition to switching power supplies and wider range of frequency applications. It is also suitable for higher temperature applications.The capacitor consists of an anode (positive lead) and a cathode (negative lead). The anode is composed of an aluminum foil coated with an oxide film, while the cathode is composed of a conductive aluminum foil. This is then followed by a moist separator layer. The two conductive metal foils form a polarized capacitor that can store electrical energy when a voltage is applied to it.The combination of all the components is what grants the ESMH451VNN121MR25T its unique characteristics. The anode is composed of a thin aluminum foil that provides high capacitance density. The negatively charged aluminum oxide layer acts as the dielectric for this capacitor. This layer allows for very high capacitance at very low temperatures and can resist high temperatures. The anode acts like a plate, and the oxide layer acts like a non-conductor that prevents current flow.The other key component of the ESMH451VNN121MR25T is its metalized polyester dielectric film which acts as an insulating layer between the cathode and the anode. With a low equivalent series resistance (ESR) and equivalent series inductance (ESL), the ESMH451VNN121MR25T has higher energy efficiency and longer life span than other capacitors.As far as performance characteristics are concerned, the ESMH451VNN121MR25T aluminum electrolytic capacitor has a capacitance range of 0.05 to 330 μF and an AC working voltage of between 16VDC and 50VDC. This capacitor is also designed for use in temperatures between -55℃ and 105℃. Furthermore, its life expectancy at 105℃ is 2000 hours.In conclusion, the ESMH451VNN121MR25T aluminum electrolytic capacitor is a specialized type of electrolytic capacitor with its own unique characteristics. It is well suited to general purpose applications such as computing and telecommunications, as well as high frequency applications and some industrial applications. The combination of its thin anode, oxide layer, and its metalized polyester dielectric film gives it high energy efficiency, a wide voltage range, and a long life expectancy.

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