500BXC22MEFC12.5X35

Polarization:	Polar
Package / Case:	Radial, Can
Mounting Type:	Through Hole
Surface Mount Land Size:	--
Height - Seated (Max):	1.457" (37.00mm)
Size / Dimension:	0.492" Dia (12.50mm)
Lead Spacing:	0.197" (5.00mm)
Ripple Current @ High Frequency:	560mA @ 100kHz
Ripple Current @ Low Frequency:	224mA @ 120Hz
Applications:	General Purpose
Ratings:	--
Series:	BXC
Operating Temperature:	-25°C ~ 105°C
Lifetime @ Temp.:	12000 Hrs @ 105°C
ESR (Equivalent Series Resistance):	--
Voltage - Rated:	500V
Tolerance:	±20%
Capacitance:	22µF
Moisture Sensitivity Level (MSL):	--
Part Status:	Active
Lead Free Status / RoHS Status:	--
Packaging:	Bulk

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Aluminum Electrolytic Capacitors

Aluminum electrolytic capacitors (sometimes abbreviated to ALCAP or EL-CAP) are one of the most common type of capacitor used in electronic circuits. They are a form of electrolytic capacitor, i.e. they contain an electrolyte as one of their electrical components and they use a metallic aluminum foil as the anode. ALCAPs are widely used in applications where high capacitance values, long life and low cost are required. The 500BXC22MEFC12.5X35 capacitor is a type of ALCAP, and its application field and working principle is discussed in the following section.

Application Field

The 500BXC22MEFC12.5X35 capacitor is ideal for applications where high capacitance values, long life and low cost are required. It is commonly used in DC-to-AC power supplies, DC-to-DC converters, AC-to-DC converters, switch mode power supplies, DC-to-DC power supplies, portable audio devices, and various other electronic circuitry. It is also often used in motor controls and other devices that require energy storage.

Working Principle

The 500BXC22MEFC12.5X35 aluminum electrolytic capacitor works on the principle of electrolysis. The two terminals of the capacitor are placed in an electrolytic solution, usually composed of water and an electrolyte. An electric current is then passed through the terminals, which causes positive aluminum ions to deposit on the anode foil and negative ions to deposit on the cathode. This creates a charge separation between the electrodes, and thus a polarized capacitance. The capacitance of the 500BXC22MEFC12.5X35 is determined by the area of the electrodes, the thickness of the insulating foil used as a separator, and the distance between the electrodes. The amount of current passing through the capacitor determines the capacitance, and thus the higher the current the greater the capacitance. The capacitance also increases with the temperature of the electrolyte, since higher temperatures cause an increase in the number of ions available for migration. Due to their stable and reliable operation, aluminum electrolytic capacitors are ideal for a wide range of applications. The 500BXC22MEFC12.5X35 in particular is well suited for use in circuits where its specific parameters are required, such as those that require high capacitance values, long life and low costs.

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