ESMG251ELL331MP40S

Polarization:	Polar
Package / Case:	Radial, Can
Mounting Type:	Through Hole
Surface Mount Land Size:	--
Height - Seated (Max):	1.654" (42.00mm)
Size / Dimension:	0.866" Dia (22.00mm)
Lead Spacing:	0.394" (10.00mm)
Ripple Current @ High Frequency:	1.59A @ 100kHz
Ripple Current @ Low Frequency:	1.06A @ 120Hz
Applications:	General Purpose
Ratings:	--
Series:	SMG
Operating Temperature:	-40°C ~ 85°C
Lifetime @ Temp.:	2000 Hrs @ 85°C
ESR (Equivalent Series Resistance):	--
Voltage - Rated:	250V
Tolerance:	±20%
Capacitance:	330µF
Part Status:	Active
Lead Free Status / RoHS Status:	--
Packaging:	Bulk

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Introduction

Aluminum electrolytic capacitors are a type of capacitor which utilizes a material most commonly consisting of an aluminum foil and either a paper or etched plastic material for the dielectric layer in between the two poles. They are used in a variety of applications, ranging from use in audio equipment to power supply decoupling and as filters in AC power lines. The type of capacitors that will be discussed in this article is the ESMG251ELL331MP40S, an electrolytic capacitor for use in AC power line filters.

Application Field

Applications for ESMG251ELL331MP40S aluminum electrolytic capacitor include:

• AC power line filters
• Transient voltage suppression
• Noise suppression in audio equipment
• High temperature DC blocking
• Decoupling of power line interference

The ESMG251ELL331MP40S aluminum electrolytic capacitor is ideal for use in filter applications due to its high voltage and current handles capabilities. Its high ripple current rating makes it ideal for continuous operation in power line filters and other high current applications. Additionally, its high temperature rating of up to 105°C makes it suitable for use in high temperature environments.

Working Principle

The working principle of an aluminum electrolytic capacitor is fairly simple. The capacitor consists of two electrodes, one of which is typically made of aluminum foil, while the other is an electrolyte material which will act as the dielectric layer. When a voltage is applied across the two electrodes, the electrical field which results causes electrons to be pushed towards the positive electrode, resulting in a build up of charge on each electrode. This process creates an electric field between the two electrodes, allowing for the capacitor to store energy.

Conclusion

The ESMG251ELL331MP40S aluminum electrolytic capacitor is designed for use in a variety of applications, ranging from AC power line filters to noise suppression in audio equipment. The working principle of an aluminum electrolytic capacitor is based on the formation of an electric field caused by the applied voltage, allowing for it to store energy. This makes it an ideal choice for filter applications, due to its high voltage and current handles capabilities.

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