LGU2C102MELB

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Aluminum Electrolytic Capacitors

Aluminum electrolytic capacitors are devices used to store electrical energy and are an essential component in electrical circuits. The aluminum electrolytic capacitor - also known as an electrochemical capacitor - is composed of two electrodes, one of which is a dielectric coated with an aluminum oxide layer. It is among the most widely used capacitors due to its relative high capacitance per unit of volume and its relatively low cost. The LGU2C102MELB is one such aluminum electrolytic capacitor.

LGU2C102MELB Application Field

The LGU2C102MELB is a miniature surface mount aluminum electrolytic capacitor. Its small size and low weight make it suitable for use in a variety of applications, including audio-visual equipment, home appliances, telecommunication systems, automotive circuitry, and industrial machinery. Its stable performance and low self-inductance ensure reliability and excellent high-frequency characteristics.

LGU2C102MELB Working Principle

The LGU2C102MELB is an electrical component that works by storing and releasing electrical energy. When an electric current passes through an electrolytic capacitor, due to its construction, the current is able to form a charge on its two electrodes. This charge carries through and maintains the electrical energy in the capacitor until it is removed by discharging the device. The difference between an electrolytic and other types of capacitors like ceramic or film devices is that the type of dielectric – or insulating layer – used in electrolytic capacitors is an electrically polarized layer.

The reason why the dielectric on an aluminum electrolytic capacitor is often an oxide layer is because the second ionic layer in an electrolytic solution is composed of metal cations, like Aluminum in the case of the LGU2C102MELB. The Aluminum cation gives the dielectric a polarity, and as an electrical charge flows through the device, it cannot be moved around easily, thus forming the electrical energy storage.

LGU2C102MELB Characteristics

The LGU2C102MELB has a number of characteristics that make it an attractive choice for many different applications. Its working temperature range is -55°C to 105°C and its rated voltage is 4V. This type of aluminum electrolytic capacitor also has a relatively low equivalent series resistance (ESR) of 25mΩ, which makes it ideal for use in audio-visual equipment, telecommunications systems, etc. where low ESR is important. The LGU2C102MELB also has a low leakage current of 0.15μA and a high ripple current of 1200μA @ 105°C.

The LGU2C102MELB has an extremely long lifetime rating of 10000 hours at 85°C, and its solvent resistance is rated at 80°C. It has a capacitance of 2.2uF, which is quite sufficient for most applications. It is also important to note that this particular aluminum electrolytic capacitor has a very low self-inductance, meaning that its current capability is not affected by frequency changes. This is very important in high-frequency applications, where performance is essential.

Conclusion

The LGU2C102MELB is a miniature aluminum electrolytic capacitor that is suitable for a wide range of applications. Its small size and low weight make it ideal for use in electronic devices, automotive circuitry, and industrial equipment. This particular capacitor has a working temperature range of -55°C to 105°C, a low ESR rating, and a long lifespan of 10000 hours at 85°C. It also features a low self-inductance and a high ripple current, making it an excellent choice for use in high-frequency applications. The LGU2C102MELB is a great option for those needing an aluminum electrolytic capacitor with reliable performance and a low price.

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