LNU2W272MSEGBB

The LNU2W272MSEGBB from Nichicon is a screw-terminal aluminum electrolytic capacitor in the LNU series, rated 450 V DC with 2.7 mF (2700 µF) capacitance. It is engineered for industrial power electronics where high-voltage energy storage, robust ripple handling and secure screw-terminal connections are required.

Designed for demanding environments, this radial can package (screw terminals) combines high ripple-current capability with a long 5000-hour life at 105°C and a wide operating range from −40°C to 105°C.

Key Features

• Capacitance & Voltage — 2700 µF capacitance at a 450 V DC rated voltage, tolerance ±20% (120 Hz, 20°C).
• Package & Mounting — Radial can with screw terminals for secure, low-resistance connections; nominal diameter 63.5 mm and length 100 mm (L: 10.0 cm × D: 6.35 cm).
• Temperature & Endurance — Rated for −40°C to 105°C with a specified load life of 5000 hours at 105°C under rated ripple conditions.
• Ripple Current Performance — High ripple capability with 13.1 A at 120 Hz (low frequency) and 18.34 A at 10 kHz (high frequency) to support inverter and regenerative load profiles.
• Leakage & Loss — Specified leakage current of 3300 µA and tangent of loss angle (tan δ) of 0.2 for predictable dissipation characteristics.
• Compliance & Packaging — RoHS compliant and supplied in cardboard packing for bulk handling and protection during transport.

Typical Applications

• Industrial Power Supplies — Energy storage and smoothing in high-voltage power supplies and DC bus applications.
• Inverter and Motor Drive Systems — DC link and regenerative circuits for AC servomotors and general inverter platforms where high ripple and charge–discharge loading occur.
• High-Speed Charge–Discharge — Applications requiring frequent charge–discharge cycles thanks to the LNU series endurance characteristics.

Unique Advantages

• High‑Voltage Capability: 450 V DC rating provides headroom for high-voltage DC bus and inverter applications.
• High Ripple Handling: 13.1 A (120 Hz) and 18.34 A (10 kHz) ripple current ratings reduce heating and extend service life under AC-loading conditions.
• Long Endurance at Elevated Temperature: 5000 hours at 105°C under rated ripple current supports reliable long-term operation in thermally demanding systems.
• Screw‑Terminal Connectivity: Robust mechanical and electrical connection for high-current bus installations and repeatable assembly.
• Compact High‑Voltage Form Factor: 63.5 mm diameter × 100 mm length provides a dense energy-storage solution for space-constrained power modules.
• RoHS Compliance and Protective Packing: Environmentally compliant material selection and cardboard packing suitable for mass production shipping and handling.

Why Choose LNU2W272MSEGBB?

The LNU2W272MSEGBB delivers a combination of high-voltage rating, substantial capacitance and elevated ripple-current capability in a screw-terminal radial can engineered for industrial power electronics. Its 5000-hour life at 105°C and broad −40°C to 105°C operating range make it suitable for sustained operation in inverter, regenerative and DC-bus applications.

This part is well suited to engineers and procurement teams specifying robust energy-storage components for high-voltage power supplies, motor drives and regenerative systems where secure connections, predictable leakage and thermal endurance are required.

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