LGU2W181MELA

The LGU2W181MELA is a snap‑in terminal aluminum electrolytic capacitor rated for 450 V and 180 µF with ±20% tolerance. Designed for general‑purpose applications, it delivers high ripple handling and extended endurance for demanding high‑voltage circuits.

Key performance attributes include a 105°C rated operating temperature, 3000 hours endurance at 105°C under rated ripple conditions, and robust leakage and dissipation characteristics suitable for high‑voltage power designs.

Key Features

• High Voltage Rating — 450 V rated voltage for high‑voltage power rails and DC link applications.
• Capacitance and Tolerance — 180 µF with ±20% tolerance, specified at 120 Hz and 20°C.
• Snap‑In Radial Can Package — Snap‑in terminal mounting in a radial can (φ25 × 40 mm) for secure board retention and easy installation.
• Ripple Current Capability — 1000 mA at low frequency (120 Hz) and 1430 mA at high frequency (50 kHz) to support high ripple environments.
• Low Leakage and Loss — Specified leakage current of 850 µA and a dissipation factor (tan δ) of 0.20, supporting stable performance under DC bias.
• Extended Endurance — Rated for 3000 hours at 105°C with verified capacitance, tan δ and leakage retention after endurance testing.
• Operating Temperature Range — −25°C to 105°C, suitable for elevated temperature operation in high‑voltage systems.

Typical Applications

• General‑Purpose Power Supplies — Bulk smoothing and filtering on high‑voltage rails where 450 V handling and high ripple endurance are required.
• DC Link and Power Conversion — Energy storage and ripple absorption in DC link stages of converters and inverters operating at elevated voltages.
• High‑Voltage Filtering — Noise suppression and decoupling for high‑voltage circuits that demand stable leakage and dissipation performance.

Unique Advantages

• High‑Voltage Capability: 450 V rating enables use on demanding high‑voltage buses without overspecifying components.
• Proven Endurance: 3000 hours at 105°C under rated ripple conditions demonstrates long‑term stability in elevated temperature environments.
• Robust Ripple Handling: Specified ripple currents at both low and high frequencies support a wide range of switching and line‑frequency applications.
• Secure Snap‑In Mounting: Snap‑in radial can provides reliable mechanical retention for through‑hole assembly and vertical mounting.
• Controlled Leakage and Dissipation: Low leakage current (850 µA) and a defined tan δ (0.20) support predictable circuit behavior under DC bias.
• Compact High‑Voltage Form Factor: φ25 × 40 mm can delivers substantial capacitance at 450 V in a space‑efficient package.

Why Choose LGU2W181MELA?

LGU2W181MELA combines high voltage capability (450 V) with substantial capacitance (180 µF), engineered ripple performance, and extended 105°C endurance for reliable operation in high‑voltage power circuits. Its snap‑in radial can package and controlled electrical characteristics make it well suited to designers specifying components for robust general‑purpose power systems.

This part is ideal for engineers and procurement teams specifying capacitors for high‑voltage smoothing, DC link energy buffering, and filtering tasks where long life, predictable leakage, and high ripple tolerance are critical.

Request a quote or contact our sales team to get pricing, lead‑time information, and assistance integrating LGU2W181MELA into your next design.