LLS2Z102MELZ

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Aluminum electrolytic capacitors are widely used types of capacitors that are composed of two aluminum foils, a paper spacer impregnated with an electrolyte and aluminum oxide as a dielectric. Described here is the same kind of capacitor, referred to as the LLS2Z102MELZ.

Background

As with all aluminum electrolytic capacitors, the LLS2Z102MELZ has a large capacitance range (1 to 2000μF), wide operating temperature range (-40 to +85°C), and long life (up to 3000 hours at 85°C). Compared to the wet aluminum electrolytic capacitors, this capacitor also has a lower ESR (equivalent series resistance). As a result, it is well suited for high frequency applications where its smaller size makes it more efficient for use in tight spaces.

Application Field and Working Principle

The LLS2Z102MELZ has a unique feature among electrolytic capacitors in that it has no polarised voltage. It can be used both polarised and non-polarised, meaning that regardless of how voltage is applied, it offers the same performance. Consequently, this makes it the preferred type when it comes to applications such as filtering, smoothing and decoupling in motor drives, UPS systems and other equipment related to ac-dc power supplies.

The operating principle of the LLS2Z102MELZ is based on the same electrochemical principles as all aluminum electrolytic capacitors. At its most basic, a capacitor contains two aluminum electrodes (an anode and a cathode) and an electrolyte, which is sandwiched between them. When a voltage is applied to the electrodes, the electrolyte breaks down and forms a dielectric film on the anode, which results in an electric field and consequently, a capacitance.

The LLS2Z102MELZ has a rated voltage of 16V, making it well suited for a wide range of applications such as low voltage power supplies, switching power converters, and charge pump circuits. Its long operating temperature range makes it more resilient to temperature changes, and thanks to the lower ESR, it offers good high frequency performance.

Conclusion

The LLS2Z102MELZ aluminum electrolytic capacitor is a versatile and reliable component that can be used for a variety of applications. Its long life, wide range of operating temperatures, and excellent performance at high frequencies makes it an ideal choice for those who need a reliable component for their project.

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