LNU2G272MSEGBN

The LNU2G272MSEGBN is a screw‑terminal aluminum electrolytic capacitor from Nichicon’s LNU series. It delivers 2700 µF capacitance at a 400 V rated voltage in a compact radial can with screw terminals, designed for industrial power electronics.

Engineered for inverter and regenerative power circuits, this part supports high ripple currents and high‑speed charge/discharge duty cycles, with a rated lifetime of 5000 hours at 105°C and a rated voltage range up to DC 525 V for broader system headroom.

Key Features

• Capacitance & Voltage: 2.7 mF (2700 µF) nominal capacitance with a 400 V rated voltage and capacitance tolerance of ±20% (120 Hz, 20°C).
• High‑Temperature Endurance: Load life specified as 5000 hours at 105°C when rated ripple current is applied; endurance and shelf life criteria are defined in the datasheet.
• High Ripple‑Current Capability: Rated ripple current of 11.9 A at 120 Hz and 16.66 A at 10 kHz supports high‑frequency and high‑power applications.
• Charge‑Discharge Durability: Qualified for charge–discharge endurance (50 million cycles at specified ΔV and 3 Hz), with defined limits for capacitance change, tan δ, and leakage current.
• Operating Range: Polarized device rated for operation from −40°C to +105°C with insulation resistance and voltage‑proof performance specified in the datasheet.
• Robust Mechanical Package: Radial can with screw terminals (brackets supplied separately); physical size approximately 63.5 mm diameter × 80 mm length (L: 8 cm × D: 6.35 cm).
• Compliance: RoHS compliant (2011/65/EU, (EU)2015/863).
• Series Advantages: LNU series provides high voltage capability in a smaller footprint compared with the LNT series, per Nichicon product documentation.

Typical Applications

• Industrial Inverters: Bulk energy storage and ripple smoothing for inverter power supplies used in drives and factory automation.
• AC Servomotor Regeneration: Handling high‑frequency regenerative voltages and rapid charge/discharge cycles in servo and motion control systems.
• Power Supply Filter & DC Link: DC link smoothing and energy buffering in high‑voltage power conversion stages.

Unique Advantages

• High Voltage Headroom: Rated at 400 V with a series range up to DC 525 V, enabling designs that require elevated DC bus voltages.
• Designed for High Ripple Environments: Specified ripple current at both low and high frequencies supports demanding power electronics loads.
• Long High‑Temperature Life: 5000 hours at 105°C provides predictable aging for industrial applications with elevated ambient temperatures.
• Durable Charge/Discharge Performance: Endurance validated for extensive charge–discharge cycling (50 million cycles), helping maintain performance in regenerative systems.
• Screw‑Terminal Reliability: Robust screw terminals simplify high‑current connections and mechanical mounting in industrial assemblies.
• Regulatory Compliance: RoHS compliance supports use in applications that require restricted‑substance conformance.

Why Choose LNU2G272MSEGBN?

The LNU2G272MSEGBN is positioned for engineers who need a high‑voltage, high‑ripple aluminum electrolytic capacitor in a compact screw‑terminal package. Its combination of 2700 µF capacitance at 400 V, defined high‑temperature lifetime, and proven charge–discharge endurance makes it suitable for inverter DC links, regenerative drives, and other industrial power systems.

Choose this part when you require predictable long‑term performance under continuous ripple current and elevated temperatures, while benefiting from a mechanically robust screw‑terminal can and RoHS compliance for streamlined integration into industrial designs.

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