LNU2W682MSEJBN

The LNU2W682MSEJBN is a screw‑terminal aluminum electrolytic capacitor from Nichicon’s LNU series, specified at 6800 µF and a rated voltage of 450 V. Designed for industrial power electronics, this polarized, radial can package targets inverter circuitry and high‑frequency regenerative systems that demand high voltage handling and sustained ripple performance.

Built for high-temperature, high-stress environments, the part supports operation from −40 °C to 105 °C and a rated load life of 5000 hours at 105 °C. The LNU series offers rated voltages up to DC 525 V and is RoHS compliant.

Key Features

• Capacitance & Tolerance — 6800 µF nominal capacitance with ±20% tolerance (measured at 120 Hz, 20 °C).
• Rated Voltage — 450 V rated voltage for this part; LNU series rated voltage range extends up to DC 525 V.
• High Temperature Endurance — Specified for continuous operation from −40 °C to 105 °C and a 5000‑hour load life at 105 °C under rated ripple conditions.
• Ripple Current Capability — 22.5 A at 120 Hz and 31.5 A at 10 kHz, supporting high ripple and high‑frequency applications.
• Leakage Current Specification — After 5 minutes at rated voltage and 20 °C, leakage current is not more than 3√(C·V) µA or 5 mA, whichever is smaller.
• Construction & Mounting — Polarized, radial can with screw terminals and M5 stud bolt nominal terminal; bracket supplied separately.
• Durability under Cycling — Endurance includes charge‑discharge behavior verified for 50 million cycles (ΔV = rated voltage ±0.3, 3 Hz), with post‑test limits on capacitance, loss tangent, and leakage current.
• Regulatory Compliance — Compliant with the RoHS directive (2011/65/EU, (EU)2015/863).

Typical Applications

• Industrial Inverter Power Supplies — Energy storage and smoothing for inverter front ends and DC link circuits in industrial power supplies.
• AC Servomotor Regeneration — Handles high‑frequency regenerative voltage in AC servomotor drives to stabilize DC bus during braking and recuperation.
• High‑Frequency Charge/Discharge Systems — Suited for circuits requiring rapid charge‑discharge cycles thanks to series endurance and ripple handling.
• General Purpose Industrial Power Electronics — Bulk filtering and energy buffering in general inverter and industrial drive applications where high voltage and temperature endurance are required.

Unique Advantages

• High Voltage Capability: Rated at 450 V for this part with the series supporting up to DC 525 V, enabling higher DC bus voltages in compact packages.
• Robust High‑Temperature Life: 5000 hours at 105 °C under rated ripple current provides predictable long‑term performance in hot operating environments.
• Strong Ripple Performance: High ripple current ratings (22.5 A @ 120 Hz, 31.5 A @ 10 kHz) reduce heating and support reliable operation in high‑frequency circuits.
• Proven Cycling Endurance: Qualified for 50 million charge‑discharge cycles, preserving capacitance, dissipation factor, and leakage within specified limits.
• Screw‑Terminal Convenience: Robust M5 screw terminals simplify secure connections for high‑current bus implementations and serviceability in industrial installations.
• RoHS Compliant: Meets RoHS directive requirements for use in regulated markets and assemblies.

Why Choose LNU2W682MSEJBN?

This LNU series screw‑terminal capacitor is positioned for demanding industrial power designs that require high voltage handling, strong ripple capability, and proven endurance at elevated temperatures. Its combination of 6800 µF capacitance, 450 V rating, and high ripple current makes it suitable for DC link, smoothing, and regenerative duty in inverter and motor drive systems.

Engineers specifying LNU2W682MSEJBN benefit from measurable reliability data—load life, leakage limits, and cycling endurance—that support predictable system behavior and long service life in industrial applications.

Request a quote or submit an RFQ to evaluate LNU2W682MSEJBN for your next power electronics design or to obtain pricing and availability information.