ESMQ100ELL331MF11D

Polarization:	Polar
Package / Case:	Radial, Can
Mounting Type:	Through Hole
Surface Mount Land Size:	--
Height - Seated (Max):	0.492" (12.50mm)
Size / Dimension:	0.248" Dia (6.30mm)
Lead Spacing:	0.098" (2.50mm)
Ripple Current @ High Frequency:	435mA @ 100kHz
Ripple Current @ Low Frequency:	290mA @ 120Hz
Applications:	General Purpose
Ratings:	--
Series:	SMQ
Operating Temperature:	-40°C ~ 85°C
Lifetime @ Temp.:	2000 Hrs @ 85°C
ESR (Equivalent Series Resistance):	--
Voltage - Rated:	10V
Tolerance:	±20%
Capacitance:	330µF
Moisture Sensitivity Level (MSL):	--
Part Status:	Active
Lead Free Status / RoHS Status:	--
Packaging:	Bulk

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Introduction

Aluminum electrolytic capacitors, also known as electrolytic capacitors, are electronic components that are widely used in electrical and electronic circuits. They are one of the important passive components of the circuit, which can store energy, filter signal, and protect circuit. The common series of aluminum electrolytic capacitors include ESMQ100ELL331MF11D. This article will discuss the application field and working principle of this kind of capacitors in detail.

Application Field

ESMQ100ELL331MF11D aluminum electrolytic capacitors are commonly used in AC and DC filtering, coupling, bypass, dividing, filtering, and other electrical circuits. It is mainly used for signal filtering in DC circuits such as power supply, inverters, UPS, and other related equipment. It can also be used as a bypass for RF signals, or as a decoupling for digital circuits. Its DC capacity is high, and its filtering effect is good.

Working Principle

The aluminum electrolytic capacitors ESMQ100ELL331MF11D are composed of a pure aluminum foil as the anode. The anode is covered with oxide film. The cathode foil is a strip of aluminum-coated paper. The gap between the anode and the cathode is filled with an electrolyte. In the normal capacitance and Potential difference, electrons flow to the anode, forming an electric double layer. The electric double layer formed at the interface between the anode and the electrolyte plays a role of capacitance.When the ESMQ100ELL331MF11D capacitor is in use, the voltage is first applied. Under the action of the applied voltage, electrons will be transferred from the anode to the electrolyte, forming a depletion layer of negative ions on the anode, changing the size of the double layer capacitance. At the same time, under the action of the applied voltage, the cations of the electrolyte will be attracted to the anode, forming an accumulation layer, and the size of the double layer capacitance will also change. The size of the double layer capacitance depends on the voltage applied. The ESMQ100ELL331MF11D capacitors have high frequency characteristics, low equivalent series resistance and low temperature drift, so they are ideal components for high frequency applications. The electrolytic capacitor also has a temperature compensation and self-healing function. When the capacitor is overloaded, the capacitance is dropped, but the capacitor can be regenerated and the capacitance restored when the load is removed.

Conclusion

To summarize, the application field of ESMQ100ELL331MF11D aluminum electrolytic capacitors are mainly in AC and DC filtering, coupling, bypass, dividing, filtering, and other electrical circuits. As for its working principle, the electric double layer formed at the interface between the anode and the electrolyte plays a role of capacitance. The size of the double layer capacitance depends on the voltage applied. This kind of capacitor has high frequency characteristics, low equivalent series resistance and low temperature drift. It also has a temperature compensation and self-healing function.

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