LNU2W562MSEH

The LNU2W562MSEH is a screw-terminal aluminum electrolytic capacitor in Nichicon’s LNU series, rated at 5600 µF and 450 V with a –40 °C to +105 °C operating range. It is a high-voltage, smaller-sized design intended for industrial power electronics.

Designed for inverter circuitry and high-frequency regenerative applications such as AC servomotor and general inverter systems, this capacitor delivers extended high-temperature life and support for high-speed charge–discharge loading while complying with RoHS (2011/65/EU, (EU)2015/863).

Key Features

• Capacitance and Voltage: 5600 µF nominal capacitance with a rated voltage of 450 V (rated voltage range in the series up to DC 525 V).
• Screw Terminal Mounting: Radial can with screw terminals for secure, high-current connections in industrial assemblies.
• High Temperature Endurance: Designed for operation from –40 °C to +105 °C with a load life of 5000 hours at 105 °C under rated ripple conditions.
• High Ripple Current Capability: Rated ripple current 20.5 A at 120 Hz and 28.7 A at 10 kHz to support demanding power-conditioning and inverter loads.
• Charge–Discharge Durability: Engineered to cope with high-speed charge–discharge loading; series endurance includes charge–discharge testing (50 million cycles at specified conditions).
• Polarized Aluminum Electrolyte: Polar capacitor construction with ±20% capacitance tolerance (120 Hz, 20 °C) and leakage current limits per datasheet.
• Compact High-Voltage Footprint: Smaller-sized than comparable high-voltage models in the family, with physical dimensions L: 15 × D: 7.62 cm and screw-terminal accommodation for M5 bolts.
• RoHS-compliant: Conforms to RoHS directive (2011/65/EU, (EU)2015/863).

Typical Applications

• Industrial Power Supplies: Bulk energy storage and smoothing in inverter front-ends and industrial DC bus systems.
• Inverter Drives: DC link capacitor for general inverter circuitry where high-voltage capability and high ripple handling are required.
• Regenerative Motor Systems: Energy buffering for high-frequency regenerative voltage in AC servomotor and drive circuits.
• High-Frequency Charge/Discharge Systems: Applications requiring repeated fast charge–discharge cycles at elevated temperatures and voltages.

Unique Advantages

• High-voltage capability: Rated at 450 V with series ratings up to DC 525 V, enabling use in higher-voltage DC bus and inverter applications.
• Elevated temperature reliability: 5000-hour load life at 105 °C provides predictable long-term performance in hot operating environments.
• Robust ripple handling: Specified ripple currents at both 120 Hz and 10 kHz support low-frequency smoothing and high-frequency switching loads.
• Durable under rapid cycling: Series test data includes endurance for extensive charge–discharge cycles, supporting applications with rapid energy exchange.
• Secure, serviceable connections: Screw terminal construction with M5 bolt accommodation simplifies installation and maintenance in industrial systems.
• Regulatory compliance: RoHS conformity supports regulatory requirements for electronics manufacturing.

Why Choose LNU2W562MSEH?

LNU2W562MSEH combines a high nominal capacitance and high-voltage rating with an industrial-grade thermal endurance profile, making it well suited to inverter, drive, and regenerative energy applications that demand reliable DC bus energy storage and high ripple tolerance. Its screw-terminal construction and compact, smaller-sized form factor simplify integration into power assemblies.

This capacitor is intended for designers and purchasers seeking a proven electrolytic solution for industrial power electronics where elevated operating temperature, repeated charge–discharge performance, and compliance with RoHS are required. The LNU series’ documented endurance and electrical characteristics provide a clear basis for system-level reliability and lifecycle planning.

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