LNU2W472MSEH

The LNU2W472MSEH is a screw-terminal aluminum electrolytic capacitor designed for high-voltage industrial power applications. As part of Nichicon's LNU series, it combines a compact high-voltage form factor with screw-terminal connectivity for robust electrical and mechanical connections.

Engineered for inverter circuitry and regenerative voltage environments, this capacitor supports high-frequency charge–discharge loading and offers a rated voltage of 450 V (with a rated voltage range up to DC525V) and an operating temperature range of –40°C to +105°C.

Key Features

• Capacitance & Voltage: 4.7 mF (4700 µF) nominal capacitance with a 450 V rated voltage; rated voltage range specified up to DC525V.
• Screw Terminal Package: Radial can with screw terminals for secure, low-resistance connections; nominal bolt diameter M5 for the 76.2 mm diameter case.
• High-Temperature Endurance: Designed for operation from –40°C to +105°C with a load life of 5000 hours when exposed to DC bias plus rated ripple current at 105°C.
• High Ripple Current Capability: Handles 17.9 A at 120 Hz and 25.06 A at 10 kHz, supporting high-frequency and high-ripple applications.
• High-Speed Charge–Discharge Tolerance: Constructed to cope with loading from high-speed charge–discharge cycles and high-frequency regenerative voltages.
• Tolerance & Leakage: Capacitance tolerance ±20% (120 Hz, 20°C); leakage current after 5 minutes is specified as not more than 3√CV (µA) or 5 mA, whichever is smaller.
• Compact High-Voltage Design: Part of the LNU family noted as smaller sized than comparable high-voltage types, providing a space-efficient option for high-voltage designs.
• RoHS Compliant: Meets RoHS directive requirements (2011/65/EU, (EU)2015/863).
• Physical Dimensions: Length 13 cm × Diameter 7.62 cm (radial can style).

Typical Applications

• Industrial Power Supplies (Inverters): Energy storage and smoothing in inverter front-ends and industrial power-supply stages.
• AC Servomotor Regenerative Circuits: Designed for high-frequency regenerative voltage applications in servomotor drives.
• General Inverters and Motor Drives: Supports high-voltage, high-ripple environments typical of inverter-based motor control systems.
• High-Frequency Power Electronics: Suited for circuits requiring reliable performance under fast charge–discharge cycles and elevated ripple currents.

Unique Advantages

• High-voltage capability: 450 V rated with a range up to DC525V enables use in a wide range of industrial high-voltage systems.
• Robust ripple performance: Specified ripple currents at both low and high frequencies reduce thermal stress in demanding power-electronics applications.
• Long high-temperature life: 5000 hours endurance at 105°C under rated ripple and DC bias supports extended service life in hot environments.
• Secure mechanical and electrical connection: Screw-terminal radial-can design with M5 bolt nominal diameter provides durable, low-resistance terminations.
• Space-efficient high-voltage solution: Smaller sized than comparable LNT series products, offering high-voltage performance in a compact package.
• Regulatory readiness: RoHS compliance helps meet environmental requirements for commercial and industrial products.

Why Choose LNU2W472MSEH?

The LNU2W472MSEH is positioned for engineers specifying capacitors for industrial inverter, regenerative, and high-frequency power-electronics designs that demand high-voltage handling, robust ripple capability, and sustained performance at elevated temperatures. Its screw-terminal radial-can construction and defined leakage and endurance characteristics make it suitable for systems where reliable electrical connections and long-term stability are required.

For projects that require high-voltage energy storage with proven endurance at 105°C and clear, verifiable electrical specifications, the LNU2W472MSEH provides a technical balance of capacitance, ripple capability, and mechanical robustness within the LNU series footprint.

Request a quote or submit a quotation request to receive pricing and availability information for the LNU2W472MSEH. Provide part number and quantity when inquiring to help expedite your response.