LGU2G271MELA

The LGU2G271MELA is a snap‑in terminal type aluminum electrolytic capacitor designed for general‑purpose power electronics requiring high voltage bulk capacitance. With a 400 V rating and 270 µF nominal capacitance, it delivers bulk energy storage and smoothing in industrial and power conversion applications.

Engineered for extended high‑temperature operation, this part offers 3000 hours endurance at 105°C, robust ripple handling at both low and high frequencies, and RoHS compliance—making it suitable where sustained performance and regulatory compliance are required.

Key Features

• Capacitance & Voltage: 270 µF nominal capacitance with a 400 V rated voltage and ±20% tolerance, providing substantial bulk capacitance for high‑voltage circuits.
• Snap‑In Radial Package: Snap‑in terminal, radial can package (φ25×45L; L: 4.5 × D: 2.5 cm) for secure board mounting and easy insertion in power assemblies.
• High Ripple Current Capability: 1.22 A low‑frequency ripple current (120 Hz) and 1.7446 A high‑frequency ripple capability, supporting demanding AC ripple conditions.
• Low Dissipation Factor: tan δ = 0.15 measured at 20°C and 120 Hz, indicating low AC losses for better efficiency in filtering applications.
• Leakage Current: Typical leakage current listed at 980 µA, supporting predictable bias behavior after voltage application.
• Endurance & Thermal Performance: Rated for 3000 hours at 105°C and an operating temperature range of −25°C to 105°C for sustained high‑temperature reliability.
• Compliance & Packing: RoHS compliant and supplied in tray packing for production assembly and handling.

Typical Applications

• Power supply bulk filtering: Provides high‑voltage bulk capacitance and ripple smoothing in 400 V power supplies and energy storage stages.
• Industrial power conversion: Supports DC link smoothing and ripple management in industrial converters and inverters where high voltage and sustained ripple are present.
• General‑purpose power electronics: Useful across a range of general‑purpose applications that require polarized aluminum electrolytic capacitance with long high‑temperature endurance.

Unique Advantages

• High voltage capability: 400 V rating enables use in higher‑voltage circuits without series stacking.
• Sustained high‑temperature endurance: 3000 hours at 105°C provides predictable long‑term performance under elevated operating temperatures.
• Robust ripple handling: Specified ripple currents at both 120 Hz and high frequency (50 kHz) support a wide range of power conversion and filtering scenarios.
• Low dissipation factor: tan δ = 0.15 at 20°C/120 Hz reduces AC losses and helps maintain efficiency in filtering roles.
• Tray packing for production: Delivered in tray format to streamline handling and assembly in mass production environments.
• Regulatory conformity: RoHS compliant for regulatory alignment in global electronics production.

Why Choose LGU2G271MELA?

LGU2G271MELA combines a high 400 V rating with substantial 270 µF capacitance and snap‑in packaging to meet the needs of high‑voltage, high‑ripple power designs. Its 3000‑hour endurance at 105°C and defined leakage, dissipation factor, and ripple specifications make it a reliable choice where long‑term thermal stability and predictable electrical behavior matter.

This part is well suited for engineers designing industrial power supplies, converters, and other general‑purpose power electronics that require robust bulk capacitance, repeatable performance, and RoHS compliance. Its tray packing and mass production status support scalable sourcing for production programs.

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