ESMG451ELL330MN25S

Polarization:	Polar
Package / Case:	Radial, Can
Mounting Type:	Through Hole
Surface Mount Land Size:	--
Height - Seated (Max):	1.043" (26.50mm)
Size / Dimension:	0.787" Dia (20.00mm)
Lead Spacing:	0.394" (10.00mm)
Ripple Current @ High Frequency:	343.2mA @ 100kHz
Ripple Current @ Low Frequency:	240mA @ 120Hz
Applications:	General Purpose
Ratings:	--
Series:	SMG
Operating Temperature:	-25°C ~ 85°C
Lifetime @ Temp.:	2000 Hrs @ 85°C
ESR (Equivalent Series Resistance):	--
Voltage - Rated:	450V
Tolerance:	±20%
Capacitance:	33µF
Part Status:	Active
Lead Free Status / RoHS Status:	--
Packaging:	Bulk

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Aluminum electrolytic capacitors, also known as "Al-electrolytics", are polarized electrolytic capacitors whose anode electrode (+) is made of a pure aluminum foil with an etched surface. The aluminum forms a very thin insulating layer of aluminum oxide by anodization that acts as the dielectric of the capacitor. The oxide layer can be increased in thickness by the application of higher anodizing voltage. The cathode electrode (-) is typically made of a tin-plated copper foil.

The ESMG451ELL330MN25S model is a type of Aluminum Electrolytic Capacitors and is characterized by its capability for handling high working voltage and high capacitance. This model has a capacitance rating of 330uF, a rated working voltage of 63V and a rated ripple current of 2460mA.

Applications:

The ESMG451ELL330MN25S aluminum electrolytic capacitor is predominantly used for power supply smoothing applications due to its excellent charge and discharge characteristics. It is ideally suited for use in switching power supplies, regulated power supplies, high power supply systems, communication systems, video systems, smps, and digital cameras.

Working Principle:

An aluminum electrolytic capacitor works on the principle of Faraday\'s law of electrolysis. In this type of capacitor, the aluminum is the anode (positive terminal) and the foil is the cathode (the negative terminal). The anode is immersed in an electrolyte, which is usually a liquid solution of sulfuric acid or potassium hydroxide, and a current is applied between the two electrodes. This causes ions to move from the anode to the cathode, forming an electrical double layer on the surface of the aluminum. The electric double layer behaves like an electrostatic capacitor and stores electric charge. When a voltage is applied across the capacitor, it creates an electric field that causes the ions to move from one electrode to the other and thus allowing current to flow in the circuit. This process is called capacitance, and the capacitance is determined by the area of the capacitor, the spacing between the two electrodes, and the type of electrolyte used.

Advantages:

The ESMG451ELL330MN25S aluminum electrolytic capacitor provides several advantages. It is relatively small in size and offers high capacitance in a small package. Moreover, it is capable of handling both low and high working voltage applications, making it ideal for power supply smoothing applications. Additionally, its improved life time and minimal output noise levels makes it an ideal choice for audio-video applications.

Disadvantages:

The major disadvantage of the ESMG451ELL330MN25S aluminum electrolytic capacitor is its limited self-healing and life time. With its short-term tolerance for working voltage being far less than its long term rating, the capacitor’s life can be significantly shortened if it is operated over its rated voltage for prolonged periods of time. Additionally, its electrolyte can evaporate over time, leading to increased leakage and thus reduced capacitance.

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