LGU2F181MELY

The LGU2F181MELY is a snap-in terminal aluminum electrolytic capacitor from Nichicon’s LGU series, rated at 180 µF and 315 V. Designed for general-purpose power applications, it combines high-voltage capability with elevated temperature endurance to support mid-voltage power rails and power assembly designs.

Key value propositions include robust ripple-current handling, long endurance at high ambient temperature, and a compact φ20×40 mm can with snap-in mounting suitable for power modules and assemblies.

Key Features

• Capacitance & Voltage — 180 µF nominal capacitance with a rated voltage of 315 V and capacitance tolerance of ±20% (–20%~20%).
• High-temperature Endurance — Rated for operation up to 105°C and specified life of 3000 hours at 105°C under rated ripple conditions.
• Ripple Current Performance — Low-frequency ripple current 900 mA at 120 Hz and high-frequency ripple current 1.287 A at 50 kHz, supporting sustained AC ripple in power applications.
• Low Loss and Leakage — Dissipation factor (tan δ) of 0.15 (measured at 20°C, 120 Hz) and specified leakage current of 710 µA.
• Mounting & Package — Snap-in terminal radial can (φ20×40 mm) for secure board installation; supplied in tray packing for assembly handling.
• Regulatory — RoHS compliant.

Typical Applications

• Industrial power supplies — Bulk filtering and energy storage on 315 V rails in industrial and commercial power systems where elevated temperature endurance is required.
• Power conversion modules — Smoothing and ripple management in converters and power electronics that require sustained ripple handling at mid voltages.
• General-purpose assemblies — Board-level radial snap-in mounting for assemblies requiring compact high-voltage capacitors with long life at 105°C.

Unique Advantages

• Long rated life at high temperature: 3000 hours at 105°C under rated ripple current delivers predictable performance for designs exposed to elevated operating temperatures.
• High-voltage rating: 315 V nominal voltage supports mid-voltage power rails without additional series stacking.
• Robust ripple capacity: Specified ripple current values (900 mA @120 Hz, 1.287 A @50 kHz) help manage AC stress in power circuits.
• Compact, snap-in form factor: φ20×40 mm can with snap-in terminals simplifies mechanical retention and board-level assembly in power modules.
• Measured electrical characteristics: Low dissipation factor (tan δ = 0.15 at 20°C, 120 Hz) and specified leakage current (710 µA) provide predictable ESR and leakage behavior for circuit design.
• RoHS compliant: Meets environmental directive requirements for restricted substances.

Why Choose LGU2F181MELY?

LGU2F181MELY positions itself as a reliable, general-purpose snap-in electrolytic capacitor for mid-voltage power applications that require sustained ripple handling and high-temperature endurance. Its combination of 315 V rating, 180 µF capacitance, and 3000-hour life at 105°C makes it suitable for designers targeting long-term stability in power supplies and converter modules.

This part is well suited to engineers and purchasers specifying components for industrial power assemblies and power conversion designs that demand verified ripple performance, controlled leakage, and a compact radial snap-in package backed by Nichicon’s LGU series specifications.

If you would like pricing, availability, or to request a quote for LGU2F181MELY (tray packing), please submit a quote request or contact sales to discuss lead times and volume options.