LAQ2G331MELB45

The LAQ2G331MELB45 is a snap-in terminal aluminum electrolytic capacitor from Nichicon’s LAQ series, rated at 330 µF with ±20% tolerance and a 400 V working voltage. It is a polarized, radial can snap-in package designed for general-purpose DC applications where high voltage handling and reliable long-term performance are required.

Key attributes include a −25°C to +105°C operating range, 2000 hours endurance at 105°C, specified ripple current at both low and high frequencies, and a compact φ30 × 45 mm size supplied in tray packing for mass production environments.

Key Features

• Capacitance & Voltage — 330 µF nominal capacitance with ±20% tolerance and a 400 V rated voltage for high-voltage DC applications.
• High-temperature Endurance — Designed to meet endurance specifications after 2000 hours at 105°C (DC bias plus rated ripple), with defined limits for capacitance change, tan δ, and leakage current.
• Operating Temperature Range — Rated for −25°C to +105°C operation, supporting elevated ambient conditions specified in the series datasheet.
• Snap-in Radial Can Package — φ30 × 45 mm can with snap-in terminals for secure board mounting and mechanical stability in production assemblies.
• Ripple Current Specifications — 1.47 A at 120 Hz (low frequency) and 1.6905 A at 10 kHz (high frequency) for handling AC ripple under rated conditions.
• Leakage Current — Specified leakage current of 1080 µA after standard application of rated voltage, enabling predictable DC performance.
• Safety Vent and Marking — Pressure relief vent designed to operate without flames or hazardous dispersion; capacitors are printed with white lettering on a black sleeve for clear identification.
• Production-ready Packing — Tray packing and mass production availability to support manufacturing throughput.

Typical Applications

• General-purpose power systems — Use as a polarized DC smoothing/bulk capacitor where a 400 V rating and 330 µF capacitance are required.
• High-temperature environments — Suitable for equipment requiring operation up to 105°C with verified 2000 h endurance under rated conditions.
• Boards requiring secure mounting — Snap-in radial can package provides robust mechanical retention for high-vibration or assembly-line installations.
• Production assemblies — Tray-packed format and mass production status support volume manufacturing and automated handling.

Unique Advantages

• 400 V rated capability — Enables use in higher-voltage DC circuits without stepping up component count.
• Specified ripple performance at multiple frequencies — Rated ripple currents at 120 Hz and 10 kHz allow engineers to model thermal and ripple-handling behavior across operating conditions.
• Long-term reliability at elevated temperature — 2000 hours endurance at 105°C provides a defined reliability baseline for thermal design and lifetime planning.
• Compact, robust snap-in package — φ30 × 45 mm radial can with snap-in terminals balances board space and mechanical stability for assembly environments.
• Clear electrical limits — Defined leakage current and tolerance enable predictable charge/discharge and leakage budgeting in DC designs.
• Production-friendly packaging — Tray packing streamlines high-volume assembly and inventory management.

Why Choose LAQ2G331MELB45?

LAQ2G331MELB45 combines a high 400 V rating with a substantial 330 µF capacitance in a compact snap-in can, providing a practical solution for general-purpose DC applications that require defined ripple handling and temperature endurance. The product’s specified leakage, ripple currents at multiple frequencies, and 2000-hour endurance at 105°C give engineers verifiable parameters for thermal management and lifetime planning.

This part is suited to designers and procurement teams building equipment that needs predictable high-voltage bulk capacitance, secure board mounting, and production-ready packaging. Its clear datasheet-backed limits and series-level safety features support confident integration into volume assemblies.

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