B43082B9685M

Operating Temperature:	--
Package / Case:	Radial, Can
Mounting Type:	Through Hole
Surface Mount Land Size:	--
Height - Seated (Max):	0.866" (22.00mm)
Size / Dimension:	0.492" Dia (12.50mm)
Lead Spacing:	0.197" (5.00mm)
Ripple Current @ High Frequency:	240mA @ 100kHz
Applications:	General Purpose
Ratings:	--
Polarization:	Polar
Series:	B43082
Lifetime @ Temp.:	5000 Hrs @ 105°C
ESR (Equivalent Series Resistance):	--
Voltage - Rated:	400V
Tolerance:	±20%
Capacitance:	6.8µF
Moisture Sensitivity Level (MSL):	--
Part Status:	Obsolete
Lead Free Status / RoHS Status:	--
Packaging:	Bulk

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Aluminum Electrolytic Capacitors : B43082B9685M Application Field and Working Principle

Aluminum electrolytic capacitors are passive electronic components that are constructed with an anode made of aluminum, a cathode of aluminum foil, and the electrolyte of a gel or liquid. These capacitors are popular due to their relatively low cost, and ease of assembly and fabrication.Aluminum electrolytic capacitors, such as B43082B9685M, are widely used and have many applications such as filtering, signal coupling, energy storage, DC voltage conversion, and power supply regulation. They have been known to perform well in various applications including power supplies, medical devices, aerospace, automotive, military, and industrial automation.The capacitance of an electrolytic capacitor is determined by the size of its anode and cathode electrodes, and the type of electrolyte used. It is highly sensitive to temperature and may show either positive or negative temperature co-efficient. The working temperature is typically rated between -55 to +85 degrees Celsius.The working principle of an aluminum electrolytic capacitor is based on Faraday’s law, which states that the amount of charge transferred through an electrolyte is proportional to the electric field. Applied to aluminum electrolytic capacitors, this law explains why the capacitance increases as the voltage is increased. An electric field is created between the two terminal points of the capacitor, the anode and the cathode. This electric field and the electrolyte between these terminals form the basis of the electrical energy storage, the capacitance. When a voltage is applied, the charge carriers in the electrolyte migrate towards the opposite polarity, thus creating a voltage potential. This transforms the electric field of the capacitor into electrostatic energy, which is then stored within the capacitor.To achieve optimum performance, aluminum electrolytic capacitors should be used carefully. Excessive voltage may result in breakdown while reverse voltage may lead to electrolyte leaking and a decrease in capacitance. Similarly, continuous high temperature operation will reduce the capacitance as well as cause corrosion of the anode foil and dielectric insulating film.Aluminum electrolytic capacitors, like B43082B9685M are widely used for various applications and have the ability to perform exceptionally well in multiple equipment and equipment categories. Although their construction is relatively simple, they are extremely sensitive to conditions and voltage so they must be used carefully to achieve optimum performance.

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