LGX2W271MELA50

The LGX2W271MELA50 is a snap‑in terminal aluminum electrolytic capacitor from Nichicon’s LGX series designed for high‑voltage power applications. It offers 270 µF capacitance at a 450 V rating in a radial, can‑style snap‑in package and is polarized for use in DC filter and energy‑storage roles.

Engineered for long life at elevated temperature, this part withstands 5000 hours of rated ripple current at 105°C and is specifically suited to rectifier circuits for general inverters and switching power supplies, providing reliable smoothing and energy buffering in demanding power designs. The product is RoHS compliant.

Key Features

• Capacitance & Voltage — 270 µF rated capacitance at 450 V for high‑voltage DC filter and smoothing applications.
• Long‑Life Endurance — Endurance guaranteed for 5000 hours at 105°C when subjected to DC bias plus rated ripple current, supporting stable long‑term performance in hot operating environments.
• High Temperature Range — Operating temperature range from −25°C to +105°C to match elevated ambient conditions in power electronics racks and enclosures.
• Ripple Current Capability — Rated ripple current of 1.31 A at 120 Hz and 1.873 A at 50 kHz, enabling effective AC ripple handling in rectifier and converter outputs.
• Package & Mounting — Radial, can — snap‑in mounting provides secure PCB attachment for high‑current, high‑vibration environments.
• Leakage and Loss Characteristics — Leakage current conforms to I ≤ 3√(C·V) µA after 5 minutes at 20°C; tan δ limits and impedance stability values are specified in the LGX series datasheet for predictable performance.
• Environmental Compliance — RoHS compliant (2011/65/EU, (EU)2015/863).

Typical Applications

• Inverter Rectifier Circuits — Acts as the main smoothing capacitor on rectifier outputs in general inverters, supporting stable DC bus voltage under ripple stress.
• Switching Power Supplies — Provides DC filtering and energy storage on high‑voltage rails in SMPS topologies.
• Industrial Power Conversion — Suitable for general purpose power electronics requiring high voltage handling and long thermal endurance.
• General Purpose High‑Voltage Filtering — Useful in designs that need polarized, high‑capacitance components with robust ripple current capability.

Unique Advantages

• Validated High‑Temperature Life: 5000 hours endurance at 105°C under rated ripple current reduces replacement cycles and supports uptime in hot enclosures.
• High Voltage Support: 450 V rating enables use on elevated DC buses without multiple series capacitors, simplifying BOM and layout.
• Designed for Ripple Demands: Measured ripple currents at both 120 Hz and 50 kHz provide known performance across common rectifier and switching frequencies.
• Robust Mounting: Snap‑in radial can design delivers mechanical stability for high‑current boards and eases assembly in power modules.
• Predictable Electrical Limits: Specified leakage current formula and tan δ bounds offer engineers verifiable parameters for thermal and ripple budgeting.
• Regulatory Compliance: RoHS conformance supports use in regulated markets and simplifies environmental compliance.

Why Choose LGX2W271MELA50?

The LGX2W271MELA50 positions itself as a reliable, long‑life solution for high‑voltage DC filtering and energy storage in power conversion systems. Its combination of 270 µF at 450 V, snap‑in mechanical robustness, specified ripple current ratings, and a 5000‑hour endurance at 105°C makes it well suited for designers of inverters, switching supplies, and other industrial power electronics seeking predictable electrical behavior under elevated temperature stress.

Engineers and procurement teams will find this part appropriate for designs that prioritize thermal endurance and verified ripple handling while maintaining RoHS compliance and standard snap‑in board assembly.

Request a quote or submit a pricing inquiry to receive availability and lead‑time information for the LGX2W271MELA50. Our team can provide datasheet details and support for integrating this capacitor into your design.