LGX2W221MELA40

The LGX2W221MELA40 is a snap‑in terminal aluminum electrolytic capacitor from Nichicon's LGX series engineered for long‑life power applications. It delivers 220 µF capacitance at 450 V in a radial, snap‑in can designed for general‑purpose power filtering and rectifier circuits.

This part is built to withstand rated ripple current for 5000 hours at 105°C and is RoHS compliant, making it suitable for use in switching power supplies and general inverter rectifier stages where sustained high‑temperature performance is required.

Key Features

• Capacitance & Voltage — 220 µF nominal capacitance rated for 450 V DC, suitable for high‑voltage power filtering and energy storage in power conversion stages.
• Long‑life, High‑Temperature Endurance — Endurance rating of 5000 hours at 105°C with DC bias plus rated ripple current, providing predictable life in elevated temperature environments.
• Ripple Current Performance — Rated ripple current of 1.03 A at 120 Hz and 1.473 A at 50 kHz, supporting AC ripple handling in rectifier and switching applications.
• Operating Temperature Range — −25°C to +105°C, enabling operation across typical industrial ambient conditions.
• Package and Mounting — Snap‑in terminal, radial can package for secure board mounting and ease of assembly in power modules.
• Polarized Design — Polarized electrolytic construction for DC bulk capacitance and smoothing applications.
• Tolerance — ±20% capacitance tolerance at 120 Hz, 20°C, for planning expected capacitance variation in designs.
• Compact Dimensions — Size approximately L: 4 × D: 2.5 cm, offering a compact footprint for high‑voltage bulk capacitance.
• RoHS Compliance — Meets RoHS directive requirements (2011/65/EU, (EU)2015/863).

Typical Applications

• Switching Power Supplies — Bulk smoothing and ripple filtering on the DC bus to stabilize supply output in switching regulators.
• Inverter Rectifier Circuits — DC link and rectifier smoothing in general inverters for industrial and power conversion equipment.
• General Power Filtering — Energy storage and transient suppression in high‑voltage power distribution and control modules.

Unique Advantages

• Predictable High‑Temperature Life: Rated for 5000 hours at 105°C with rated ripple current, enabling more reliable lifetime planning in thermally demanding systems.
• High Voltage Capability: 450 V rating provides headroom for high‑voltage DC bus applications without series stacking.
• Measured Ripple Performance: Specified ripple currents at both low (120 Hz) and high (50 kHz) frequencies allow accurate thermal and ripple budgeting in designs.
• Space‑efficient Snap‑In Package: Radial snap‑in can simplifies board mounting while delivering robust mechanical retention for power assemblies.
• Regulatory Compliance: RoHS compliance supports use in designs targeting regulated regions and reduces materials compliance work.

Why Choose LGX2W221MELA40?

LGX2W221MELA40 is positioned for designers who need a durable, high‑voltage electrolytic capacitor that balances compact packaging with long‑term thermal endurance. Its 450 V rating, specified ripple current performance, and 5000‑hour endurance at 105°C make it suitable for switching power supplies, inverter rectifier stages, and other high‑voltage power systems where predictable life and thermal robustness matter.

Manufactured by Nichicon and supplied in a snap‑in radial can, this part is a practical selection for engineers seeking verified specifications for capacitance, ripple handling, and operating temperature when planning industrial and power‑electronics designs.

If you need pricing, availability, or a formal quote for LGX2W221MELA40, submit a request to receive a quote and technical support information.