LGX2H221MELB45

The LGX2H221MELB45 is a snap‑in terminal aluminum electrolytic capacitor from Nichicon's LGX series. It delivers 220 µF at a 500 V rating in a radial, can-type snap‑in package designed for general purpose power applications.

Engineered for long life under elevated temperature, this capacitor withstands 5000 hours of rated ripple current at 105°C and is suited for rectifier circuits in general inverters and switching power supplies. It is RoHS compliant.

Key Features

• Electrical Performance — 220 µF capacitance with a 500 V rated voltage and ±20% tolerance, suitable for high‑voltage filtering and energy storage in power stages.
• Long‑Life Endurance — Designed to meet endurance requirements after 5000 hours of DC bias plus rated ripple current at 105°C, with capacitance and leakage current maintained within specified limits.
• Ripple Current Capability — Rated ripple currents of 1.33 A at 120 Hz and 1.902 A at 50 kHz, supporting continuous ripple handling in rectifier and power conversion circuits.
• Operating Temperature Range — Specified for −25°C to +105°C, enabling use across a wide range of industrial ambient conditions.
• Low Leakage Specification — Leakage current defined by the series formula I ≤ 3√(C·V) µA after 5 minutes at 20°C, providing predictable recovery and charge retention behavior.
• Robust Snap‑In Package — Radial, can-type snap‑in mounting for secure PCB retention and straightforward assembly; physical size approximately L: 4.5 × D: 3 cm with a seated height specification provided in series documentation.
• Regulatory Compliance — Compliant with RoHS directives (2011/65/EU, (EU)2015/863).

Typical Applications

• Rectifier stages for inverters — Provides high‑voltage filtering and energy buffering in the rectifier circuits of general inverter systems.
• Switching power supplies — Used for bulk capacitance and ripple suppression in high‑voltage switching power supplies.
• General purpose power electronics — Suited for a range of industrial power conversion and control circuits that require long life at elevated temperature.

Unique Advantages

• Proven high‑temperature endurance — Rated to survive 5000 hours under rated ripple at 105°C, supporting designs that require extended life in hot operating environments.
• High voltage capability — 500 V rating enables use in higher‑voltage rectifier and power conversion stages without series stacking.
• Measurable ripple performance — Published ripple current values at both 120 Hz and 50 kHz allow engineers to size capacitors against expected ripple loads.
• Predictable leakage behavior — Leakage current defined by the datasheet formula yields repeatable charge/discharge characteristics for design validation.
• Secure board mounting — Snap‑in radial can package provides stable mechanical retention for through‑hole power modules and assemblies.
• RoHS compliant — Conforms to applicable RoHS directives for environmental compliance in commercial and industrial products.

Why Choose LGX2H221MELB45?

The LGX2H221MELB45 positions itself as a reliable, high‑voltage bulk capacitor for engineers designing rectifier stages, switching power supplies, and other general power electronics. Its 500 V rating, specified ripple current performance, and long‑life endurance at 105°C provide a well‑documented balance of electrical performance and thermal reliability.

This part is appropriate for teams that need predictable behavior under continuous ripple and elevated temperatures, and who value standardized series specifications for qualification and lifecycle planning. Backed by Nichicon's LGX series documentation, it supports robust designs where long operating life and higher voltage handling are required.

Request a quote or contact sales to discuss availability, lead times, and how the LGX2H221MELB45 can be integrated into your power electronics designs.