LGX2G331MELB35

The LGX2G331MELB35 is a snap‑in terminal aluminum electrolytic capacitor from Nichicon’s LGX series, designed for long‑life power applications. It delivers 330 µF capacitance at a 400 V rating in a compact snap‑in can for radial mounting.

Engineered for rectifier circuits in general inverters and switching power supplies, this capacitor provides long life assurance with endurance under rated ripple current at elevated temperature, making it suited for demanding power filtering and energy‑storage roles.

Key Features

• High Voltage Rating: 400 V rated voltage suitable for medium‑voltage power circuits and rectifier applications.
• Capacitance & Tolerance: 330 µF nominal capacitance with ±20% tolerance at 120 Hz, 20°C for predictable filtering performance.
• Long Life Assurance: Endurance specified at 5000 hours at 105°C under DC bias plus rated ripple current, maintaining capacitance and leakage within specified limits after test.
• Wide Operating Temperature: Rated for operation from −25°C to +105°C to support elevated‑temperature power environments.
• Snap‑in Radial Package: Snap‑in terminal, radial can package for secure board mounting and high‑current terminal connections.
• Ripple Current Performance: Rated ripple current of 1.43 A at 120 Hz and 2.045 A at 100 kHz to handle AC ripple in switching and rectifier stages.
• Polarized Construction: Polarized electrolytic design for use in DC filter and energy‑storage circuits.
• Environmental Compliance: RoHS compliant (2011/65/EU, (EU)2015/863) for regulated substance requirements.
• Compact Dimensions: Smaller‑sized snap‑in can with physical size listed as L: 3.5 × D: 3 cm for space‑constrained power assemblies.

Typical Applications

• Inverter Rectifier Circuits: Used as the primary smoothing capacitor on rectifier outputs in general inverter designs to stabilize DC bus voltage.
• Switching Power Supplies: Provides bulk filtering and ripple absorption in SMPS front ends and intermediate DC links.
• General Power Filtering: Suited for general-purpose DC filtering and energy storage where high voltage and long operational life are required.

Unique Advantages

• Designed for Long Operational Life: 5000‑hour endurance at 105°C under rated ripple current supports extended service life in high‑temperature power applications.
• High Ripple Handling: Specified ripple currents at both low and high frequencies (1.43 A at 120 Hz, 2.045 A at 100 kHz) enable effective suppression of AC ripple across a range of switching conditions.
• Robust Voltage Capability: 400 V rating addresses medium‑voltage DC bus requirements common in inverters and power supplies.
• Space‑efficient Snap‑in Form Factor: Snap‑in radial can offers secure mounting and compact footprint for densely packed power assemblies.
• Polarized Electrolytic Performance: Reliable DC energy storage and smoothing behavior tailored to power electronics topologies.
• Regulatory Compliance: RoHS compliance supports environmental and regulatory needs during procurement and product development.

Why Choose LGX2G331MELB35?

Part of Nichicon’s LGX series, the LGX2G331MELB35 combines a 400 V rating, 330 µF capacitance and snap‑in radial packaging with long‑life endurance at elevated temperature. It is positioned for engineers designing inverter rectifiers, switching supplies, and other power electronics where extended operational life and reliable ripple handling are required.

For designs needing predictable filtering performance, compact board mounting, and regulatory compliance, this capacitor offers a balance of electrical capability and thermal endurance suited to long‑running power applications.

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