LNU2H152MSEG

The LNU2H152MSEG is a screw-terminal aluminum electrolytic capacitor from Nichicon's LNU series designed for high-voltage industrial power electronics. It delivers 1.5 mF capacitance at a rated DC voltage of 500 V and is optimized for inverter and regenerative circuits that demand high-voltage handling and robust thermal endurance.

Built for demanding environments, this polarized, radial can package supports high-frequency charge/discharge and regenerative voltage use cases while offering long load life under elevated temperature and ripple stress.

Key Features

• Capacitance & Voltage — 1.5 mF capacitance rated at 500 V DC, suitable for high-voltage energy storage in inverter and regenerative circuits.
• High-Temperature Endurance — Rated for operation from −40 °C to +105 °C with a load life of 5000 hours when subjected to rated ripple at 105 °C.
• High Ripple Current Capability — Supports 6.6 A at 120 Hz and 9.24 A at 10 kHz, enabling effective filtering and charge/discharge in high-frequency applications.
• Polarized Screw-Terminal Package — Radial can with screw terminals for secure electrical and mechanical connections in industrial power assemblies.
• Compact High-Voltage Form Factor — Smaller sized within the LNU series while providing high voltage performance; package dimensions: L: 9 cm × D: 6.35 cm.
• Leakage & Insulation Characteristics — Leakage current limited to 3√CV (µA) or 5 mA (whichever is smaller) after 5 minutes at 20 °C; insulation resistance greater than 100 MΩ at DC 500 V between terminal and bracket.
• Designed for Charge–Discharge Duty — Engineered to cope with high-speed charge/discharge and high-frequency regenerative voltage conditions common in servo and inverter systems.
• RoHS Compliant — Conforms to RoHS directive (2011/65/EU, (EU)2015/863).

Typical Applications

• Industrial Inverter Power Supplies — Bulk energy storage and DC-link capacitance for inverter front ends used in industrial drives and power conversion.
• AC Servomotor Regenerative Circuits — Handles high-frequency regenerative voltage and rapid charge/discharge cycles in motor control systems.
• General Inverters and Power Modules — Provides high-voltage filtering and energy buffering for general-purpose inverter and regenerative power electronics.

Unique Advantages

• High-Voltage Capability: Rated at 500 V DC (series rated up to DC 525 V) to support demanding high-voltage power designs.
• Long High-Temperature Life: 5000-hour load life at 105 °C under rated ripple current delivers predictable longevity in elevated-temperature installations.
• Robust Ripple Handling: Specified ripple current values at both 120 Hz and 10 kHz enable reliable performance across a range of switching and line frequencies.
• Screw-Terminal Reliability: Heavy-duty screw terminals provide secure connections suitable for industrial assemblies and serviceability.
• Measured Leakage and Insulation: Clear leakage current limits and insulation resistance specifications support predictable performance and safety margins in system design.
• Compact High-Voltage Packaging: Smaller physical footprint within the LNU family enables space-efficient high-voltage capacitor implementations.

Why Choose LNU2H152MSEG?

The LNU2H152MSEG pairs high-voltage capability with engineered endurance for industrial power electronics, making it well suited for inverter, servo regenerative, and other high-frequency charge/discharge applications. Its combination of 500 V rating, substantial ripple current handling, and a 5000-hour life at 105 °C helps designers achieve reliable DC-link and energy-storage solutions in compact screw-terminal packaging.

Choose the LNU2H152MSEG when you need a proven high-voltage electrolytic capacitor for robust industrial power designs that require thermal and ripple resilience backed by Nichicon's LNU series specifications.

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