381LX681M180K022

Polarization:	Polar
Package / Case:	Radial, Can - Snap-In
Mounting Type:	Through Hole
Surface Mount Land Size:	--
Height - Seated (Max):	1.260" (32.00mm)
Size / Dimension:	1.181" Dia (30.00mm)
Lead Spacing:	0.394" (10.00mm)
Ripple Current @ High Frequency:	2.4A @ 20kHz
Ripple Current @ Low Frequency:	1.7A @ 120Hz
Applications:	General Purpose
Ratings:	--
Series:	381LX
Operating Temperature:	-40°C ~ 105°C
Lifetime @ Temp.:	3000 Hrs @ 105°C
ESR (Equivalent Series Resistance):	--
Voltage - Rated:	180V
Tolerance:	±20%
Capacitance:	680µF
Moisture Sensitivity Level (MSL):	--
Part Status:	Active
Lead Free Status / RoHS Status:	--
Packaging:	Bulk

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Aluminum Electrolytic Capacitors

Aluminum electrolytic capacitors are an important component in a variety of electrical and electronic systems. They provide the energy storage and the electrical charge needed for circuit components to operate. The 381LX681M180K022 is a type of aluminum electrolytic capacitor that is used in a wide range of applications. It works best when used in applications that require higher ripple currents and a relatively low impedance.

Structure

The 381LX681M180K022 is essentially made up of two pieces: the anode and the cathode. The anode is a cylinder made of aluminum foil which is then rolled up in layers of a plastic or paper material and is then covered by a conductive layer of oxide, typically electrolyte particles suspended in oil. The cathode is a layer of porous material which is sometimes referred to as an electrolytic dielectric. Together, the anode and the cathode are responsible for creating the electrical field that allows the capacitor to store energy.

Application Field

The 381LX681M180K022 can be used in a variety of applications, with one of the main ones being power supply circuit decoupling. This is where the capacitor helps to reduce noise and improve AC ripple. It can also be used in applications such as snubber circuits, motor start circuits, and for electronic crossover networks as well. The 381LX681M180K022 is also well suited for automotive applications, for which it is often found in electric motors, fuel pumps, audio systems, and power train applications. In addition, it is commonly used in microprocessors, time-delayed devices, and voltage controlled devices.

Working Principle

The 381LX681M180K022 relies on the principle of capacitance and electrochemical action to store electrical energy. When a voltage is applied to the capacitor, electrons will flow into one plate, while being repelled from the other. This creates an electrostatic field between the two plates, which can store energy.The capacitor will then discharge its energy when the applied voltage is removed. This is done through the electrochemically formed oxide layer on the anode, which acts as an insulating barrier for the electrons. When the voltage is removed, the oxide layer collapses, allowing the electrons to flow out the other plate and back into the power source. In addition to its excellent energy storage capabilities, the 381LX681M180K022 also has a high ripple current and excellent capacitance ratings, making it a great choice for many applications.

Conclusion

The 381LX681M180K022 aluminum electrolytic capacitor is a versatile component used in many applications due to its high capacitance rating and low impedance. The capacitor uses the principle of capacitance and electrochemical action to able to store electrical energy. It is mainly used in power-supply circuits, automotive applications, and for electronic crossover networks. With its high ripple current and excellent capacitance ratings, the 381LX681M180K022 is a reliable and effective solution for many electronic and electrical system requirements.

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