LGU2F331MELC

The LGU2F331MELC from Nichicon is a snap-in, polarized aluminum electrolytic capacitor rated 330 µF at 315 V. It is part of the LGU series designed for standard 105°C operation and general-purpose power applications.

This module offers robust ripple-current handling and long-term endurance—specified for 3000 hours at 105°C—delivered in a radial snap‑in can (φ35 × 25 mm) with tray packing for production assembly.

Key Features

• Capacitance & Voltage 330 µF nominal capacitance with ±20% tolerance and a 315 V rated voltage for high-voltage DC applications.
• Thermal & Endurance Designed for operation from −25°C to +105°C and specified to withstand 3000 hours of rated ripple current at 105°C.
• Ripple Current Performance Low-frequency ripple current of 1.33 A at 120 Hz and high-frequency ripple capability of 1.902 A at 50 kHz, enabling effective smoothing under continuous load.
• Loss & Leakage Tangent of loss angle (tan δ) 0.15 measured at 20°C, 120 Hz; measured leakage current 960 µA (datasheet leakage definition: I ≤ 3CV after 5 minutes at 20°C).
• Package & Mounting Snap‑in radial can (φ35 × 25 mm) for secure board mounting and fast insertion; supplied in tray packing for production handling.
• Environmental Compliance RoHS-compliant construction for regulated market acceptance.

Typical Applications

• Power supplies and converters Bulk smoothing and DC-link energy storage at up to 315 V where continuous ripple endurance and elevated-temperature performance are required.
• Industrial control equipment Filtering and decoupling in motor drives, inverters, and industrial power subsystems operating at elevated temperatures.
• Energy storage / smoothing Pulse and low-frequency ripple handling in systems that demand sustained ripple current over long operating periods.

Unique Advantages

• High-voltage rating (315 V) Supports higher DC-link voltages without additional series components.
• Long endurance at elevated temperature Rated for 3000 hours with applied rated ripple current at 105°C, providing predictable lifetime behavior under thermal stress.
• Measured ripple capability Specified ripple currents at both 120 Hz and 50 kHz give designers clear performance targets across frequency ranges.
• Compact snap-in form factor φ35 × 25 mm radial can with snap‑in terminals enables secure mechanical mounting and efficient PCB layout in power assemblies.
• Clear electrical characterization Specified tan δ, leakage current, and tolerance figures provide verifiable parameters for design validation and reliability planning.

Why Choose LGU2F331MELC?

The LGU2F331MELC combines a high 315 V rating, substantial capacitance, and defined ripple-current capability in a snap‑in radial package suited for continuous power applications. Its 3000-hour endurance at 105°C and defined electrical parameters (tan δ, leakage, and tolerance) make it a predictable choice for engineers designing DC-link filtering, smoothing, and energy storage into industrial and power-conversion systems.

As part of Nichicon’s LGU series, this capacitor is specified for robust operation and straightforward integration into production assemblies, particularly where elevated-temperature endurance and reliable ripple handling are required.

Request a quote or contact sales to discuss availability, lead times, and volume pricing for LGU2F331MELC.