LNU2W682MSEHBB

The LNU2W682MSEHBB is a screw-terminal aluminum electrolytic capacitor in Nichicon’s LNU series, rated 6.8 mF (6800 µF) at 450 V DC and specified for operation up to 105°C. It is a radial can with screw terminals designed for high-voltage industrial power applications where robust ripple handling, long life and secure electrical connections are required.

Typical use cases include industrial inverter and power-supply systems, regenerative circuits for motor control, and applications demanding sustained performance at elevated temperatures and ripple currents.

Key Features

• Capacitance & Voltage — 6.8 mF (6800 µF) nominal capacitance with a rated voltage of 450 V DC and ±20% tolerance.
• High-temperature rating — Operating temperature range from −40°C to +105°C, with a rated load life of 5000 hours at 105°C under applied ripple current.
• High ripple-current capability — Rated ripple current of 23.4 A at 120 Hz and 32.76 A at 10 kHz, supporting high-frequency and high-power applications.
• Screw terminal mounting — Radial can package with screw terminals for secure, low-impedance connections and easy integration into power racks and bus layouts.
• Mechanical size — Body diameter φ76.2 mm and length 170 mm (L), packaged as a radial can with screw terminals and supplied in cardboard packing for mass production handling.
• Polarized, industrial construction — Designed for polarized DC applications and suited to industrial power-supply environments.
• RoHS compliant — Conforms to RoHS directive requirements.

Typical Applications

• Industrial Inverters and Motor Drives — Bulk energy storage and filtering for inverter circuits and servo drives where high voltage and ripple tolerance are required.
• Regenerative Power Circuits — Energy absorption and smoothing in high-frequency regenerative systems such as AC servomotor braking or regenerative drives.
• Power Supply Filtering and Buffering — DC-link and bulk filtering in high-voltage power supplies to support transient loads and maintain voltage stability.
• High-speed Charge–Discharge Systems — Applications requiring repeated high-speed charge/discharge cycles, supported by the LNU series endurance and charge–discharge specifications.

Unique Advantages

• High-voltage capability in a compact screw-terminal can — 450 V DC rating with a φ76.2 × 170 mm form factor provides a high-voltage solution suitable for constrained power assemblies.
• Designed for high ripple and high-frequency use — Specified ripple currents at 120 Hz and 10 kHz enable reliable operation in both low- and high-frequency power circuits.
• Long operational life at elevated temperature — 5000 hours rated life at 105°C under applied ripple current supports long-term reliability in industrial environments.
• Secure, serviceable connections — Screw terminal package simplifies installation, replacement and maintenance in power systems.
• Wide temperature range — −40°C to +105°C operating range accommodates demanding ambient conditions common in industrial equipment.
• Regulatory compliance — RoHS compliance for materials management and environmental requirements.

Why Choose LNU2W682MSEHBB?

The LNU2W682MSEHBB provides a high-voltage, high-capacitance, screw-terminal solution tailored for industrial power electronics where sustained ripple handling, elevated temperature endurance and secure connections matter. Its 450 V rating, robust ripple-current specifications and 5000-hour life at 105°C make it suitable for inverter/DC-link, regenerative and high-speed charge–discharge applications.

This part is appropriate for engineers designing industrial inverters, motor-drive regenerators and high-voltage power supplies who need a proven electrolytic capacitor form factor with screw terminals and verified endurance characteristics.

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