2222 085 67228

Series:	085 CS
Packaging:	Tape & Reel (TR)
Lead Free Status / RoHS Status:	--
Part Status:	Obsolete
Moisture Sensitivity Level (MSL):	--
Capacitance:	2.2µF
Tolerance:	±20%
Voltage - Rated:	40V
ESR (Equivalent Series Resistance):	120 Ohm
Lifetime @ Temp.:	1500 Hrs @ 85°C
Operating Temperature:	-40°C ~ 85°C
Polarization:	--
Ratings:	--
Applications:	General Purpose
Ripple Current @ High Frequency:	12.6mA @ 10kHz
Impedance:	32 Ohms
Lead Spacing:	--
Size / Dimension:	0.346" L x 0.146" W (8.80mm x 3.70mm)
Height - Seated (Max):	0.154" (3.90mm)
Surface Mount Land Size:	0.346" L x 0.146" W (8.80mm x 3.70mm)
Mounting Type:	Surface Mount
Package / Case:	Nonstandard SMD

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Aluminum Electrolytic Capacitors Aluminum electrolytic capacitors, also known as electrochemical capacitors, consist of two electrodes, in opposite polarization, placed inside a sealed container filled with a liquid electrolyte. The material of the electrodes is usually either aluminum or tantalum, although other materials such as manganese can be used as well. The electrolyte is typically an aqueous solution, but electrically conductive organic liquids can also be used.Aluminum electrolytic capacitors are well-suited for use in applications where a very high capacitance or very low cost is required. The capacitance of an electrolytic capacitor is a function of the surface area of the anode material and the distance between the anode and cathode. This allows for high capacitance values in a small package size compared to other types of capacitors.Aluminum electrolytic capacitors also have lower equivalent series self-inductance than many other types of capacitors. This can result in lower signal distortion and improved signal integrity in electronic circuits. Additionally, electrolytic capacitors have low equivalent series resistance (ESR), which is beneficial for high frequency applications.The most common type of aluminum electrolytic capacitor is the axial leaded type. This type of capacitor consists of two leads, one anode and one cathode. The electrode material and electrolyte are enclosed in a metal or plastic housing, and the leads are connected to the terminals at the end of the housing.Aluminum electrolytic capacitors can also be manufactured using other forms such as radial or snap-in types. These capacitors have two leads, one anode and one cathode, which are either connected mechanically or soldered to the circuit board. In applications where space is limited, these capacitors can be stacked or placed onto a printed circuit board for more efficient use of space.The most important parameter of an aluminum electrolytic capacitor is its voltage rating. The maximum working voltage of an electrolytic capacitor is determined by the breakdown voltage of an insulating material between the anode and cathode. It is important to note that applied voltage may not exceed the maximum voltage rating for the particular capacitor.The working principle of an aluminum electrolytic capacitor is based on the principles of electrochemistry. When a current is applied to the anode, the positive ions from the electrolyte are attracted to the anode and form an oxide layer. This oxide layer prevents further ion movement and thus increases the capacity of the capacitor. When a voltage is applied to the cathode, the negative ions from the electrolyte are attracted to the cathode and form a layer of oxide. This oxide layer prevents further ion movement and thus decreases the capacity of the capacitor.In summary, aluminum electrolytic capacitors are cost-effective components used in a variety of electronic applications. They feature a high capacitance in a small size and have low equivalent series self-inductance, which provides improved signal integrity. Additionally, these capacitors can be manufactured in various forms, depending on the requirements of the application. However, it is important to ensure that the operating voltage does not exceed the maximum voltage rating of the capacitor.

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