LGNW6391MELC35

The LGNW6391MELC35 from Nichicon is a snap‑in terminal aluminum electrolytic capacitor in the LGN series, offering 390 µF capacitance at a 420 V rating. Designed for general‑purpose power applications, it combines high working voltage, compact radial snap‑in packaging, and extended endurance for reliable bulk energy storage and smoothing.

This part is specified for operation from −25°C to +105°C and is rated for 3000 hours of endurance at 105°C, making it suitable for equipment where long life at elevated temperature and stable performance under DC bias and ripple are required.

Key Features

• High voltage rating: 420 V nominal voltage suitable for high‑voltage power circuits requiring substantial bulk capacitance.
• Capacitance and tolerance: 390 µF with ±20% tolerance at 120 Hz, 20°C — provides predictable bulk energy storage and decoupling.
• Endurance at elevated temperature: Specified to withstand rated ripple current for 3000 hours at 105°C, supporting long service life under thermal stress.
• Low loss (tan δ): tan δ ≤ 0.15 (measured at 120 Hz, 20°C) for controlled dissipation in high‑voltage filter applications.
• Ripple current capability: Rated ripple current of 1.61 A at 120 Hz and 2.302 A at 100 kHz, enabling effective AC ripple handling in power circuits.
• Snap‑in radial can package: φ35 × 35 mm (L × D: 3.5 × 3.5 cm) snap‑in terminals for secure chassis or PCB mounting and simplified assembly; supplied in tray packing for mass production.
• Polarized construction: Standard polarity marking and polarized design for DC smoothing and energy storage applications.
• RoHS compliant: Meets RoHS requirements as stated in the product information.

Typical Applications

• General‑purpose power electronics — Bulk filtering and smoothing where 420 V working voltage and substantial capacitance are needed.
• Industrial power supplies — Provides bulk capacitance and ripple handling in industrial converters and rectifier stages.
• DC‑link and energy storage — Used as DC‑link smoothing in high‑voltage circuits requiring extended endurance at elevated temperature.
• Power conditioning modules — Stabilizes DC rails and reduces ripple in general‑purpose power modules and assemblies.

Unique Advantages

• High working voltage with substantial capacitance: 420 V and 390 µF combine to deliver significant bulk energy storage in a compact radial snap‑in can.
• Designed for long life at temperature: 3000‑hour endurance at 105°C supports extended maintenance intervals and predictable aging under rated ripple current.
• Measurable ripple performance: Published ripple current values at 120 Hz and 100 kHz allow designers to size and predict thermal behavior accurately.
• Low dissipation: Maximum tan δ of 0.15 helps limit self‑heating and preserves capacitance stability in high‑voltage filtering roles.
• Production‑ready packaging: Tray packing and snap‑in terminals simplify handling and assembly for volume manufacturing.
• Regulatory compliance: RoHS compliance supports use in regions and projects that require restricted‑substance adherence.

Why Choose LGNW6391MELC35?

The LGNW6391MELC35 delivers a balanced combination of high voltage capability, significant capacitance, and proven endurance characteristics from the Nichicon LGN series. Its snap‑in radial can form factor and specified ripple performance make it a practical choice for designers seeking reliable bulk capacitance and ripple handling in general‑purpose power applications.

Engineers specifying systems that need 420 V bulk energy storage with long‑term thermal endurance and clear, verifiable ripple ratings will find this part appropriate for production environments where tray packing and snap‑in mounting ease assembly and serviceability.

If you would like pricing, lead‑time details or a formal quote for LGNW6391MELC35, please request a quote or submit a specification inquiry to the sales team for assistance with availability and ordering.