LGN2W121MELA30

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Aluminum electrolytic capacitors are common electronic components that use electricity to store energy temporarily. They are vital in applications where it is necessary to have a higher energy density. The LGN2W121MELA30 is an aluminum electrolytic capacitor specifically designed to increase the energy storage capability while also providing long-term reliability and stability.

The LGN2W121MELA30 is a miniature long-life capacitor with a 4-fold increase in the energy storage capacity of its predecessor. This capacitor is made of an aluminum can with a wound anode, a special series of cells, and a two-layer winding design. The anode uses a patented cell design to increase the energy storage capacity and reduce the ripple current capability. Additionally, this capacitor features a large capacitance range (2.2 to 20 uF) and is designed for an operating temperature range of -55°C to +85°C.

The LGN2W121MELA30 is commonly used in various applications, such as switch-mode power supplies, DC/DC converters, and motor control circuits. It is also used in automotive, aerospace, and defense applications. This capacitor is also suitable for use in low-noise and ripple amplifiers, voltage regulation circuits, and snubber circuits. Furthermore, this capacitor has a long-term reliability and stability with an operating life of 1000 hours at 105°C.

The working principle of the LGN2W121MELA30 is based on the fundamental principles of capacitance. When an electrical potential is applied across an aluminum electrolytic capacitor, an electric field builds up across the two electrodes, producing an electrostatic charge. This charge is stored in the capacitor and is released when the electrical potential is removed. The electrostatic charge is proportional to the electrical energy stored in the capacitor.

In addition to the energy storage capability, the LGN2W121MELA30 also provides excellent performance in terms of its capacitance tolerance and equivalent series resistance (ESR). The capacitance tolerance is within ±20% of the rated capacitance. The ESR value is typically between 10 and 100 mΩ. The combination of these two characteristics makes this capacitor ideal for specific applications requiring low ESR and high capacitance, such as hand-held instrumentation and motor control circuits.

The LGN2w121MELA30 is a versatile and reliable aluminum electrolytic capacitor that offers a significant increase in energy storage capacity compared to its predecessors. Its combination of high capacitance, low ESR and small size makes it suitable for a wide range of applications. Furthermore, this capacitor offers high reliability and stability, as well as long-term operation at temperatures as high as 85°C.

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