ELBK350ELL472ALN3S

Ripple Current @ Low Frequency:	2.72A @ 120Hz
Ripple Current @ High Frequency:	3.2A @ 100kHz
Lead Spacing:	0.295" (7.50mm)
Size / Dimension:	0.630" Dia (16.00mm)
Height - Seated (Max):	1.299" (33.00mm)
Surface Mount Land Size:	--
Mounting Type:	Through Hole
Package / Case:	Radial, Can
Series:	LBK
Packaging:	Bulk
Lead Free Status / RoHS Status:	--
Part Status:	Active
Moisture Sensitivity Level (MSL):	--
Capacitance:	4700µF
Tolerance:	0%, +30%
Voltage - Rated:	35V
ESR (Equivalent Series Resistance):	21 mOhm @ 100kHz
Lifetime @ Temp.:	5000 Hrs @ 105°C
Operating Temperature:	-55°C ~ 105°C
Polarization:	Polar
Ratings:	AEC-Q200
Applications:	Automotive

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Introduction

Aluminum electrolytic capacitors are electrical components that store electricity using two conductive plates, one of which is made from aluminum and the other from another conductive material. The important role of aluminum electrolytic capacitors (ELBK350ELL472ALN3S is one them) is in buffering voltage and current fluctuations in power supplies, an especially important task in electrical systems where voltage or current specifications must be met within strict tolerances. They are also used to manage energy management, filtering, and rectifying in a diverse range of systems.

Application field

ELBK350ELL472ALN3S aluminum electrolytic capacitors have wide range of applications in the electronics industry, especially in power supply and pulsed-power units. As it is able to handle large amounts of current, it is usually found in linear power supply, chargers, audio amplifiers and switching power supply units. It is also preferred to be used in applications wherein the capacitor has to be able to transfer a large amount of current in a short amount of time, such as in pulse generators, delay lines, and RF filters.

Working Principle

Aluminum electrolytic capacitors work through the principle of electrolysis, which is the transfer of electrical energy into chemical energy. In an ELBK350ELL472ALN3S capacitor, an anode (positively charged plate) and a cathode (negatively charged plate) are connected across a medium called the electrolyte. An external voltage is applied to the capacitor, which then causes electrical current to flow through the liquid electrolyte, allowing protons to be exchanged between the anode and the cathode. The aluminum electrolytic capacitor opens an electric circuit which is then closed after a set amount of time, enabling it to store the energy whenever it is required.

Conclusion

ELBK350ELL472ALN3S aluminum electrolytic capacitors are commonly used for power supply and pulsed-power units thanks to their ability to handle large amounts of current such as in linear power supply, chargers, audio amplifiers and switching power supply units. They work through the principle of electrolysis, wherein electrical energy is transferred into chemical energy and stored energy is used whenever it is required.

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