LGR2W221MELB50

The LGR2W221MELB50 is an aluminum electrolytic capacitor in Nichicon’s LGR long‑life series. It is a snap‑in terminal type designed for long‑duration operation at elevated temperature, providing 220 µF capacitance at a rated voltage of 450 V.

Built for general‑purpose applications that require high voltage handling, sustained ripple current capability and extended life at 105 °C, this component delivers a combination of electrical robustness and mounting convenience with RoHS compliance.

Key Features

• Electrical Performance — 220 µF capacitance with a 450 V rated voltage and ±20% tolerance delivers high‑voltage energy storage for demanding circuits.
• Ripple Current Endurance — Rated ripple current of 1 A at 120 Hz and 1.43 A at 50 kHz supports continuous AC ripple loading within specified limits.
• Thermal & Long‑Life Assurance — Designed to withstand 10,000 hours of rated ripple current at 105 °C, ensuring long operational life under elevated temperature stress.
• Operating Temperature Range — Specified for −25 °C to 105 °C operation to match higher‑temperature system environments for this voltage class.
• Mechanical & Mounting — Snap‑in (radial can) package for secure chassis or board mounting and straightforward installation.
• Polarized Design — Polar capacitor construction for correct orientation in DC circuits.
• Regulatory Compliance — Conforms to RoHS directive (2011/65/EU, (EU)2015/863).

Typical Applications

• General‑purpose high‑voltage systems — Suitable where a 450 V, high‑capacitance, long‑life electrolytic capacitor is required for energy storage or smoothing.
• Power conversion and supply modules — Used to handle bulk capacitance and ripple currents in higher‑voltage power circuits within general‑purpose equipment.
• Industrial electronics — Applicable in industrial systems that require extended life at elevated temperatures and reliable snap‑in mounting.

Unique Advantages

• High‑voltage capability: 450 V rating enables use in circuits demanding elevated DC voltage handling without series stacking.
• Long operational life at temperature: 10,000‑hour endurance at 105 °C under rated ripple current reduces maintenance and replacement frequency.
• Proven ripple performance: Specified ripple current values at both low and high frequencies support stable operation across common power converter frequencies.
• Robust mounting: Snap‑in radial can simplifies mechanical retention and integration into assemblies.
• RoHS compliant: Meets current RoHS requirements for environmental and regulatory compatibility.

Why Choose LGR2W221MELB50?

The LGR2W221MELB50 positions itself as a reliable, high‑voltage aluminum electrolytic solution within Nichicon’s LGR long‑life series. With 220 µF at 450 V, rated ripple performance at multiple frequencies, and a guaranteed 10,000‑hour endurance at 105 °C, it addresses designs that require sustained performance under elevated temperature and ripple stress.

This part is well suited for engineers and procurement teams specifying general‑purpose, high‑voltage capacitors where long operational life, secure snap‑in mounting and RoHS compliance are key selection criteria.

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