LQS2G221MELB25

Series:	LQS
Packaging:	Bulk
Lead Free Status / RoHS Status:	--
Part Status:	Active
Moisture Sensitivity Level (MSL):	--
Capacitance:	220µF
Tolerance:	±20%
Voltage - Rated:	400V
ESR (Equivalent Series Resistance):	--
Lifetime @ Temp.:	3000 Hrs @ 105°C
Operating Temperature:	-25°C ~ 105°C
Polarization:	Polar
Ratings:	--
Applications:	General Purpose
Ripple Current @ Low Frequency:	1.22A @ 120Hz
Ripple Current @ High Frequency:	1.43A @ 50kHz
Lead Spacing:	0.394" (10.00mm)
Size / Dimension:	1.181" Dia (30.00mm)
Height - Seated (Max):	1.063" (27.00mm)
Surface Mount Land Size:	--
Mounting Type:	Through Hole
Package / Case:	Radial, Can - Snap-In

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Aluminum Electrolytic Capacitors are components that store electrical energy, typically used in power and signal circuits. The LQS2G221MELB25 is one of many models within this range of capacitors, and is renowned for its reliability and stability throughout its impressive lifespan. This article outlines the application and working principles of the LQS2G221MELB25 Aluminum Electrolytic Capacitor, and how it is used in industries from communications to the automotive industry. Applications The LQS2G221MELB25 is incredibly versatile, and can be found in various applications, including: 1. Automotive Applications such as electric motors, generating systems, exposure lamps and audio systems.2. Communications applications such as personal digital assistants (PDAs) and cell phones, in which they are used to filter noise and deliver low-frequency signals.3. Power and signal circuits such as voltage regulators and switches, in which they are used to provide the current required for both the power and signal circuits to function correctly.4. In the industrial sector, they are used to protect electrical equipment and systems by providing a constant supply of power.Working Principles This aluminum electrolytic capacitor consists of three main parts—the anode, cathode and electrolyte. The anode is made from aluminum, and is coated with an oxide layer. The cathode is constructed from a metal compound, typically nickel or silver. The electrolyte is in the form of an ionic solution. When an electrical charge is applied to the anode, the oxide layer starts to decompose. This creates an electric field between the anode and the electrolyte. This field attracts ions from the electrolyte to the anode, forming a capacitor. The capacitor is able to store a fixed amount of energy in its fields. This energy will only be released when the electrical charge is removed. The capacitor is self-healing, meaning that it is able to repair itself when a short circuit occurs. The short circuit will cause an electric current to flow, which causes the oxide layer on the anode to be consumed. This creates a void in the oxide layer, which will be filled up with a new layer of oxide when the short circuit is removed. This new layer will once again form the capacitor, allowing it to store electrical energy. The capacitor is also able to provide an effective filter circuit to reduce noise. When a signal passes through the capacitor, it amplifies the lower-frequency signals, while filtering out the higher-frequency signals. This helps to reduce electrical noise and create a more stable signal. Conclusion The LQS2G221MELB25 is an incredibly versatile aluminum electrolytic capacitor that can be used in a wide range of applications from automotive to communications. Its self-healing qualities, lower losses and excellent performance allow it to provide reliable energy storage and noise filtering for power and signal circuits. Its impressive lifespan makes it a perfect choice for both industry and home use.

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