LGG2D122MELC25

Polarization:	Polar
Package / Case:	Radial, Can - Snap-In
Mounting Type:	Through Hole
Surface Mount Land Size:	--
Height - Seated (Max):	1.063" (27.00mm)
Size / Dimension:	1.378" Dia (35.00mm)
Lead Spacing:	0.394" (10.00mm)
Ripple Current @ High Frequency:	3.45A @ 50kHz
Ripple Current @ Low Frequency:	2.3A @ 120Hz
Applications:	General Purpose
Ratings:	--
Series:	LGG
Operating Temperature:	-40°C ~ 105°C
Lifetime @ Temp.:	2000 Hrs @ 105°C
ESR (Equivalent Series Resistance):	--
Voltage - Rated:	200V
Tolerance:	±20%
Capacitance:	1200µF
Moisture Sensitivity Level (MSL):	--
Part Status:	Active
Lead Free Status / RoHS Status:	--
Packaging:	Bulk

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Aluminum electrolytic capacitors (AECs) are widely used in numerous electronic and electrical applications due to their outstanding characteristics. AECs provide reliable performance, excellent temperature and storage life stability, high capacitance and low equivalent series resistance (ESR), and are acceptably priced.The LGG2D122MELC25 is an aluminum electrolytic capacitor with a maximum capacitance of 2.2μF, an ESR of 5mΩ, a voltage rating of 16VDC, and an operating temperature range of -40°C up to +85°C. These specifications make this capacitor well suited for a number of electrical and electronic applications.The LGG2D122MELC25 capacitor consists of an aluminum plate as its anode, a layer of manganese dioxide cathode, and a liquid electrolyte. Its construction and principle of operation are as follows.The anode of the LGG2D122MELC25 is an aluminum plate rolled into a flat cylinder with a diaphragm on either end. The diaphragms are formed with rubber- or paper-like insulating material, and can expand and contract slightly in response to pressure or temperature changes in order to maintain a charge. The manganese dioxide forms a thin layer on the anode, and serves as the cathode of the capacitor.The dielectric of the capacitor is actually a liquid electrolyte mixed in with the manganese dioxide. This electrolyte is composed of a mixture of acids, bases, and organic compounds, and acts as a proton pump, allowing ions to pass back and forth between the anode and cathode. This creates a charge-discharge cycle that allows the capacitor to store electrical energy, and then release it when it is desired.Another important element of the capacitor is its terminal pins. These pins connect the capacitor to the rest of the electronics circuit, with one pin connected to the anode and the other to the cathode. The pins also serve as anchors to hold the capacitor in place within the circuit.The LGG2D122MELC25 can find use in a variety of applications, such as in power supplies and filters, as a timing circuit capacitor, for storing energy in robotic applications, in frequency selection circuits, and for high-speed rotary and servo motors. This capacitor, and aluminum electrolytic capacitors in general, can be invaluable components in any electronics circuit.

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