LGU1E103MELA

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Aluminum electrolytic capacitors feature relatively low pricing and high energy density, making them an ideal choice for a wide range of power storage applications. But their long lifetime, temperature cycling and temperature v-rating characteristics make them equally well-suited to tackle high frequency switching applications that require accurate control or circuit protection. The LGU1E103MELA aluminum electrolytic capacitor, manufactured by Lelon Electronics Co., Ltd., is one such example of a capacitor suited to such challenging applications.

The LGU1E103MELA is a surface mounted, snap-in type, X2-type capacitor that has an extended radial lead. It provides an economical solution to space-constrained applications in that the height is just 10mm and the diameter is only 10mm, however, it provides good capacitance performance with a rated capacitance of 1000uF and a design voltage of 100v. The capacitor also has a long lifetime rating of 4000 hours, so it’s built for reliable performance.

When it comes to environmental conditions, the LGU1E103MELA certifies to a rated temperature range of –40°C to 85°C and provides a temperature rise of 80°C at a maximum applied voltage rating. The capacitor also offers excellent temperature cycling and temperature shock capabilities, which provides it with the flexibility to perform in any environment. The LGU1E103MELA has a long-term bias leakage current of 167.4 uA and a high-temperature leakage current of 670.9 uA, indicating its dependability

Electrically, the LGU1E103MELA has a low equivalent series resistance (ESR) of 3.3 ohm. This results in improved ripple current handling, allowing the capacitor to better absorb and disperse ripple currents. In addition, its Self-Healing capabilities make it a reliable choice for surge current management, helping prevent damages from high-current events.

From a safety perspective, the LGU1E103MELA is certified to meet the IEC/EN60335-1 and IEC/ENEC60335-2-15 safety standards and has UL-recognized and CQC-certified insulation systems with a minimum insulation resistance of 50 kohm at 67% relative humidity up to a maximum operating temperature of 105°C.

In terms of application areas, the LGU1E103MELA is well-suited to power supplies and switch power management, inverters, white goods, LCD drivers, and renewable energy systems. It is particularly suitable for high frequency applications, such as in telecom base stations and laptop computers, where its relatively low ESR offers superior high frequency ripple current handling.

The working principle of the LGU1E103MELA is simple and efficient. When the applied voltage exceeds its rated voltage, the lead frame protruding from the can is forced from the case causing the anode foil to break. This interrupts the circuit, making sure that the applied voltage does not exceed the rated voltage. This used to be a tedious, manual process but with the LGU1E103MELA, the process is automatic, highly reliable and safely contained within the capacitor can.

The LGU1E103MELA is a high-performance aluminum electrolytic capacitor specially designed for specific application areas. Its design makes it a cost-effective and reliable solution, especially considering its long lifetime rating, excellent temperature cycling and temperature shock capabilities, and low ESR—all critical aspects of any high performance capacitor.

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