B43504A2827M62

Polarization:	Polar
Package / Case:	Radial, Can - Snap-In - 3 Lead
Mounting Type:	Through Hole
Surface Mount Land Size:	--
Height - Seated (Max):	1.260" (32.00mm)
Size / Dimension:	1.378" Dia (35.00mm)
Lead Spacing:	0.394" (10.00mm)
Impedance:	190 mOhms
Ripple Current @ Low Frequency:	2.3A @ 100Hz
Applications:	General Purpose
Ratings:	--
Series:	B43504
Operating Temperature:	-40°C ~ 105°C
Lifetime @ Temp.:	3000 Hrs @ 105°C
ESR (Equivalent Series Resistance):	160 mOhm @ 100Hz
Voltage - Rated:	200V
Tolerance:	±20%
Capacitance:	820µF
Moisture Sensitivity Level (MSL):	--
Part Status:	Active
Lead Free Status / RoHS Status:	--
Packaging:	Bulk

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Aluminum Electrolytic Capacitors: B43504A2827M62 Application Field and Working Principle

Aluminum electrolytic capacitors are widely used in both industrial and consumer electronics because of their large capacitance, low cost and long life expectancy. Typical applications include power supplies, DC-DC converters, wave shaping, audio power amplifiers and motor control circuits. The B43504A2827M62 aluminum electrolytic capacitor, specifically, is a long life product with an accuracy of +/-20%, a temperature range of -25°C to +105°C, and a lifetime of 500 to 3,000 hours.The principle of operation for aluminum electrolytic capacitors is based on an oxide layer on an aluminum anode. This oxide layer serves to create a very high permittivity dielectric layer, which is key to their performance. The capacitor\'s construction consists of two electrodes, one an anode and one a cathode, and an electrolyte which is usually liquid or gel. When a voltage is applied to the capacitor, ions from the electrolyte are attracted to the higher potential side, within this case the anode, where they become trapped in the dielectric oxide film. This is then replicated on the cathode side, and this forms a thin film dielectric between the two electrodes.In terms of the actual operation of a B43504A2827M62, two charging processes are involved. Firstly, a surface charge layer is created on the anode, which is then held in place by the dielectric properties of the oxide layer on the anode. Secondly, an inner charge layer is created, this is an additional electric field applied to the opposite side of the dielectric, which acts to enlarge the capacitance of the device.To help improve the longevity of this type of capacitor, it is common for a self-healing feature to be implemented, which is known as the self-repair layer. This layer, when in contact with the dielectric, prevents the dielectric from being overly weakened. Over time, as voltage is put into the capacitor, the electrolyte ions are repelled from the anode, due to the self-repair layer, which enables the capacitor to retain a charge for an extended period of time.Overall, the B43504A2827M62 aluminum electrolytic capacitor has a very wide range of applications. Typically, they are used where a large capacitance value is needed in combination with a long operating life, with a wide operating temperature range and a guaranteed operational lifetime. Generally, they are used in power supplies, DC-DC converters, wave shaping, audio power amplifiers and motor control circuits. From an operational point of view they are fully capable of handling high operating temperatures, and their longevity is also increased by the implementation of the self-healing feature. In terms of their internal construction, the use of an oxide layer on the anode, and the inner charge layer, gives the B43504A2827M62 a large capacitance value that can be used in a wide variety of applications.

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