LAQ2G121MELZ35ZB

The LAQ2G121MELZ35ZB from Nichicon is a snap‑in terminal aluminum electrolytic capacitor in the LAQ series, specified at 120 µF and 400 V. It is designed as a general‑purpose power capacitor with a compact φ22 × 35 mm can and snap‑in mounting for robust board installation and mass production handling (tray packing).

This part delivers elevated ripple‑current capability and long‑term endurance for equipment operating in environments with voltage fluctuation. Key electrical characteristics include rated ripple current performance at both low and high frequencies, controlled leakage, and a 2000‑hour lifetime at 105°C.

Key Features

• Electrolytic Core Aluminum electrolytic construction providing 120 µF capacitance with ±20% tolerance at 120 Hz, 20°C.
• High Voltage Rating Rated for 400 V DC to support higher‑voltage power applications.
• Snap‑In Mounting Radial, can‑type snap‑in package (φ22 × 35 mm) for secure board retention and ease of manual or automated assembly.
• Ripple Current Performance Rated ripple current of 760 mA at 120 Hz and 874 mA at 10 kHz to handle AC ripple and switching noise in power circuits.
• Low Leakage Specified leakage current of 0.65 mA (after application of rated voltage as specified for this part), supporting stable DC bias conditions.
• High‑Temperature Endurance Designed for 2000 hours of operation at 105°C under rated ripple and DC bias conditions, with defined limits on capacitance change, tan δ, and leakage after the endurance test.
• Operating Temperature Range Rated for −25°C to +105°C to cover a wide range of industrial and electronic environments.
• Safety and Compliance LAQ series features improved safety performance including a pressure relief vent; the series is noted as compliant to the RoHS directive.

Typical Applications

• Industrial Power Supplies Bulk smoothing and ripple handling in power conversion modules where 400 V DC ratings and sustained ripple current are required.
• Equipment Subject to Voltage Fluctuations Suited for equipment operating in environments with varying supply conditions—LAQ series design emphasizes stability under fluctuating voltage.
• General‑Purpose Electronic Equipment General‑purpose DC filtering and energy storage in commercial and industrial electronics that require long‑life capacitors and secure snap‑in mounting.

Unique Advantages

• Rated for 400 V operation: Enables use in higher‑voltage DC bus and filtering applications without series stacking.
• High ripple capability at multiple frequencies: Ripple ratings at 120 Hz and 10 kHz support both line‑frequency and switching‑frequency applications.
• Long endurance at elevated temperature: 2000‑hour life at 105°C under rated conditions provides predictable aging and reliability metrics for design validation.
• Robust snap‑in package: φ22 × 35 mm can with snap‑in terminals simplifies mechanical retention and is suited for tray packing and mass production workflows.
• Safety design considerations: Series pressure relief vent and improved safety performance reduce risk under abnormal overvoltage conditions.
• RoHS compliance: Meets RoHS directive requirements as documented for the LAQ series, supporting regulatory needs.

Why Choose LAQ2G121MELZ35ZB?

LAQ2G121MELZ35ZB combines 120 µF capacitance with a 400 V rating and elevated ripple current capability in a compact snap‑in package. Its 2000‑hour endurance at 105°C and controlled leakage characteristics make it suitable for designs that demand stable bulk filtering and reliable performance under thermal and electrical stress.

This part is positioned for engineers and procurement teams building general‑purpose power systems, industrial supplies, and other equipment that benefits from high‑voltage electrolytic capacitors with long life and secure board mounting. Tray packing and suitability for mass production help streamline volume assembly and inventory handling.

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