LNU2W272MSEG

The LNU2W272MSEG is a high-voltage aluminum electrolytic capacitor in a screw-terminal, radial can package designed for industrial power applications. It delivers 2700 µF at 450 V with polarized screw terminals and is engineered for demanding environments requiring high ripple handling and extended life at elevated temperatures.

This part is optimized for inverter and power-supply systems, offering high-voltage capability in a compact can (L: 10.0 cm × D: 6.35 cm) and reliable operation from −40 °C to +105 °C.

Key Features

• High Voltage & Capacitance — Rated at 450 V with 2700 µF nominal capacitance (±20%), suitable for high-voltage DC bus and energy-storage needs.
• Screw Terminal, Radial Can Package — Robust screw-terminal mounting for secure connections in heavy-current applications; radial can construction simplifies mechanical mounting and serviceability.
• Wide Temperature Range — Specified for operation from −40 °C to +105 °C to support industrial thermal requirements.
• Extended Load Life — Rated for 5000 hours at 105 °C under rated ripple current conditions, supporting long-term reliability in high-temperature installations.
• High Ripple Current Capability — 13.1 A at 120 Hz and 18.34 A at 10 kHz, enabling effective filtering and energy handling in both low- and high-frequency power stages.
• Durable Charge–Discharge Endurance — Series-level endurance includes charge–discharge testing up to 50 million cycles, demonstrating resilience under rapid cycling conditions.
• RoHS Compliant — Meets RoHS directives, supporting regulatory requirements for lead-free electronics.

Typical Applications

• Industrial Inverters — DC link and smoothing capacitor in inverter power stages where high voltage and ripple endurance are required.
• Servo Drives & Regenerative Systems — Energy buffering and high-frequency regenerative voltage handling in AC servomotor and drive systems.
• Power Supplies — Bulk storage and ripple suppression in high-voltage industrial power supplies and DC bus circuits.

Unique Advantages

• High Voltage in a Compact Form: 450 V rating combined with a φ63.5 × 100 mm can (L: 10.0 cm × D: 6.35 cm) provides substantial capacitance without excessive volume.
• Robust Termination: Screw-terminal connections ensure secure, low-impedance contact for high-current installations and simplified field maintenance.
• Designed for Elevated Temperatures: Specified life of 5000 hours at 105 °C gives predictable performance in hot industrial environments.
• Broad Ripple-Frequency Performance: Ripple current specifications at both 120 Hz and 10 kHz support filtering across typical power-conversion frequency ranges.
• Proven Endurance Characteristics: Endurance and charge–discharge testing details indicate suitability for repeated high-speed charge-discharge loading.

Why Choose LNU2W272MSEG?

LNU2W272MSEG combines high-voltage capacity, robust screw-terminal mechanics, and proven high-temperature endurance to meet the needs of industrial power conversion and energy-buffering applications. Its specification set—450 V, 2700 µF, wide operating temperature, extended life at 105 °C, and defined ripple-current ratings—aligns with designs that require reliable DC bus performance and high-frequency charge/discharge handling.

This part is well suited for engineers and procurement professionals specifying capacitors for inverters, servo drives, and industrial power supplies who require traceable specifications, long-term thermal endurance, and secure field connections.

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