LGU2W151MELA

The LGU2W151MELA is a snap‑in terminal, aluminum electrolytic capacitor from Nichicon’s LGU series designed for general‑purpose power applications. It combines a 450 V rated voltage with 150 µF capacitance in a radial snap‑in can package, offering robust ripple handling and long endurance at elevated temperatures.

Engineered for equipment that requires high‑voltage DC smoothing and stable performance up to 105°C, this part delivers measurable ripple current capability, low leakage, and RoHS compliance for reliable integration into industrial and power electronics designs.

Key Features

• Rated Capacitance and Tolerance — 150 µF with ±20% tolerance (measured at 120 Hz, 20°C), suitable for bulk filtering and energy storage in high‑voltage circuits.
• High Voltage Rating — 450 V rated voltage for applications requiring high DC blocking or smoothing voltages.
• Snap‑in Package — Radial, can‑type snap‑in terminals for secure board mounting and simplified assembly.
• High Temperature Endurance — Qualified for 3000 hours at 105°C under rated ripple conditions, supporting long service life in elevated temperature environments.
• Ripple Current Capability — Low‑frequency ripple current of 880 mA at 120 Hz and high‑frequency ripple current of 1.258 A at 50 kHz, enabling effective ripple handling across frequency ranges.
• Low Leakage and Dissipation — Specified leakage current of 770 µA (after 5 minutes at 20°C) and tangent of loss angle measured at 120 Hz, 20°C (tan δ per 450 V = 0.20), supporting stable DC performance.
• Operating Temperature Range — Rated for −25°C to 105°C, matching the LGU series’ high‑temperature standard for higher‑voltage parts.
• Packaging and Production — Supplied in tray packing and available in mass production quantities.
• RoHS Compliant — Meets RoHS directive requirements.

Typical Applications

• Power Supplies — Bulk filtering and DC smoothing in high‑voltage power supplies where 450 V ratings and robust ripple handling are required.
• Industrial Power Equipment — Energy storage and decoupling in industrial converters and control systems operating at elevated temperatures.
• Inverters and Motor Drives — DC link smoothing and ripple suppression in high‑voltage inverter stages.
• Backup Power / UPS Systems — Bulk capacitance for hold‑up and filtering functions in uninterruptible power supplies and related equipment.

Unique Advantages

• High‑Voltage Capability: 450 V rating enables use in high DC applications without series stacks or complex topologies.
• Long Endurance at Elevated Temperature: 3000‑hour life at 105°C supports higher reliability in thermally demanding installations.
• Wide Ripple Frequency Support: Specified ripple currents at both 120 Hz and 50 kHz demonstrate usable performance across common power‑conversion frequencies.
• Compact Snap‑in Form Factor: φ25 × 35 mm can with snap‑in terminals simplifies board mounting while providing substantial capacitance per volume.
• Predictable Electrical Characteristics: Defined tan δ and leakage current specifications enable straightforward design margins and validation.
• Production‑Ready Packaging: Tray packing and mass production status support volume manufacturing and assembly workflows.

Why Choose LGU2W151MELA?

LGU2W151MELA positions itself as a practical, high‑voltage electrolytic capacitor that balances capacitance, ripple capability, and long‑term endurance for general‑purpose power electronics. Its snap‑in package and clearly specified electrical characteristics make it suitable for engineers designing high‑voltage DC smoothing and energy storage stages that must operate reliably up to 105°C.

This part is well suited to procurement and design teams targeting robust, production‑ready components with RoHS compliance and defined lifecycle performance. The combination of 450 V rating, 150 µF capacitance, and 3000‑hour endurance provides a clear specification baseline for system qualification and long‑term deployment.

Request a quote or contact sales to discuss pricing, lead times, and volume availability for LGU2W151MELA.