DCMX123U040AA2B

Operating Temperature:	-40°C ~ 85°C
Package / Case:	Radial, Can - Screw Terminals
Mounting Type:	Chassis Mount
Surface Mount Land Size:	--
Height - Seated (Max):	2.187" (55.55mm)
Size / Dimension:	1.375" Dia (34.93mm)
Lead Spacing:	0.500" (12.70mm)
Applications:	General Purpose
Ratings:	--
Polarization:	Polar
Series:	DCMX
Lifetime @ Temp.:	2000 Hrs @ 85°C
ESR (Equivalent Series Resistance):	--
Voltage - Rated:	40V
Tolerance:	-10%, +75%
Capacitance:	12000µF
Part Status:	Active
Lead Free Status / RoHS Status:	--
Packaging:	Bulk

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Introduction to Aluminum Electrolytic Capacitors

Aluminum electrolytic capacitors are one of the most common types of capacitors used today. They are composed of two aluminum foils separated by an electrolytic paper and are known for their high capacitance and long shelf life. The most common aluminum electrolytic capacitor is a DCMX123U040AA2B.

DCMX123U040AA2B Application Field

The DCMX123U040AA2B is a common aluminum electrolytic capacitor and is suitable for general purpose applications. It is most often used in audio signals, personal computers, consumer electronic products, communication systems and power supplies. It is especially suitable for high-frequency switching power supply circuits and motor control circuits.

DCMX123U040AA2B Working Principle

The DCMX123U040AA2B capacitor relies on the electrolyte in the paper layer to form an electrical barrier between the two metal plates. When a voltage is applied across the two metal plates, the electric field created causes electrons to migrate from the anode to the cathode. In doing so, a region of charge is formed on either side of the electrolyte separating the two plates. This region of charge is known as the “capacitance” of the capacitor.In addition to creating the “capacitance”, the electrolyte in the aluminum electrolytic capacitor also helps to reduce losses due to the electrolyte\'s dielectric loss factor and conductivity. This helps to maintain high frequency operation and is critical for use in switching power supplies and other applications which require high frequency stability.

Conclusion

The DCMX123U040AA2B aluminum electrolytic capacitor is one of the most common types of capacitors used today. It is especially suitable for high-frequency switching power supply circuits and motor control circuits due to its low losses and high capacitance. Its reliable performance and long shelf life make it an ideal choice for general purpose applications.

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