EKXJ221ELL181MUN3S

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Aluminum electrolytic capacitors are electrical components that store and discharge energy. Used in many electronic circuits, they are especially important in power management applications, in which they provide critical power-conditioning services. The EKXJ221ELL181MUN3S capacitor is one such device, combining the reliability, capability, and durability of aluminum electrolytic capacitors with single-ended, snap-together construction. This document will provide an overview of the EKXJ221ELL181MUN3S, detailing its application fields, features, design, and working principle.

Application Field

Aluminum electrolytic capacitors, such as the EKXJ221ELL181MUN3S,are typically used in power management applications where they provide energy storage, filtering, and signal conditioning. This makes them ideal for uses such as:

• Smoothing DC power supply voltages.
• Supplying energy for signal filtering.
• Energy bursts in start-stop systems.
• Power bridge circuits.
• Shielding signals from interference.
• Phase control in power semiconductor circuits.
• AC filtering including power factor correction.

In addition, the EKXJ221ELL181MUN3S may also be used in other applications in which a low cost, reliable, and durable aluminum electrolytic capacitor is required.

Features

The EKXJ221ELL181MUN3S is a non-polarized aluminum electrolytic capacitor with a capacitance of 8,000 microfarads, a voltage of 200 volts, and a tolerance of +/- 20%. It features snap-together single-ended construction, meaning that it can easily be connected to the circuit board without the need for soldering. It measures 12mm x 20mm x 15mm and has a maximum temperature range of -55°C to +105°C.

The EKXJ221ELL181MUN3S is designed for long life, with an operational life of up to 5000 hours at 105°C. In addition, it is RoHS compliant, making it suitable for a wide range of applications.

Design

The EKXJ221ELL181MUN3S capacitor is a non-polarized aluminum electrolytic capacitor with an anode formed from pure aluminum and a cathode formed from a manganese dioxide and charcoal composite. These two electrodes are separated by a layer of electrolyte, and a spacer plate ensures that the device remains insulated from the surroundings.

The anode and cathode are surrounded by a dielectric, which acts as an insulator, and the device is then enclosed in a sealed aluminum case. The case incorporates an insulating sleeve and oil-filled leads, while the device\'s unique snap-together construction eliminates the need for soldering. When properly sealed, the device remains operational for up to 5000 hours at 105°C.

Working Principle

The working principle of the EKXJ221ELL181MUN3S is based on the basic principles of electrochemistry. The device works by storing energy under an applied voltage. The device\'s anode and cathode are separated by a layer of electrolyte, and when a voltage is applied across the electrodes, positive ions will move towards the anode, forming an electrical field between the electrodes. This field stores the energy, ready to be discharged when the applied voltage is removed.

When the applied voltage is removed, the energy stored in the device is released, resulting in a current flow between the electrodes. This current flow is regulated by the materials used in the device and can be used to provide a steady DC voltage, smooth out a pulsed voltage or filter out AC currents.

In addition, the EKXJ221ELL181MUN3S also features two voltage sensing pins, which allow the device to be used in more complex configuration such as power bridge circuits. These sensing pins allow the device to measure the voltage being applied and regulate the amount of current released during the discharge cycle.

The EKXJ221ELL181MUN3S is an ideal device for a wide range of power management applications, thanks to its unique combination of features. With its reliable performance, low cost, and easy to use construction, the EKXJ221ELL181MUN3S is a versatile and durable aluminum electrolytic capacitor that can be relied upon to provide long lasting performance.

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