LNU2G272MSEGBB

The LNU2G272MSEGBB is a screw-terminal aluminum electrolytic capacitor designed for high-voltage industrial power applications. It provides 2700 µF capacitance at a 400 V rating in a radial can with screw terminals, supporting inverter and regenerative circuits where high-voltage energy storage and high-speed charge–discharge are required.

Built for demanding environments, the part is specified for operation from −40°C to +105°C, a rated voltage range up to DC525 V for the series, and a guaranteed load life of 5000 hours at 105°C under rated ripple conditions.

Key Features

• Rated Performance — 2700 µF capacitance at 400 V nominal; capacitance tolerance ±20% (120 Hz, 20°C).
• High-Voltage Series — Series rated voltage range up to DC525 V; suitable for high-voltage DC link and inverter use.
• Screw-Terminal Mounting — Radial can with screw terminals for robust mechanical and electrical connections in industrial assemblies.
• Temperature and Lifetime — Operating range −40°C to +105°C with a rated load life of 5000 hours at 105°C under ripple current loading.
• High Ripple Current Capability — Specified ripple current: 11.9 A at 120 Hz (low frequency) and 16.66 A at 100 kHz (high frequency), supporting demanding ripple workloads.
• Charge–Discharge Endurance — Designed to cope with high-speed charge–discharge cycles; series endurance tested for extensive charge–discharge cycles per datasheet.
• Leakage and Insulation — Leakage current after 5 minutes is limited by datasheet formula (3√CV µA or 5 mA, whichever is smaller); insulation resistance more than 100 MΩ at DC 500 V between terminal and bracket.
• RoHS Compliant — Meets RoHS directive requirements (2011/65/EU, (EU)2015/863).

Typical Applications

• Industrial Inverters — DC link and smoothing capacitor for inverter circuitry in industrial power supplies and motor drives.
• Regenerative Drives — Energy absorption and smoothing for high-frequency regenerative voltages in AC servomotors and general inverter systems.
• High-Speed Charge–Discharge Systems — Applications requiring rapid energy transfer and frequent charge–discharge cycles.

Unique Advantages

• High-Voltage Capability: Rated at 400 V for this part with series capability up to DC525 V, enabling use in higher-voltage DC bus designs.
• Compact High-Voltage Form Factor: Offers high capacitance in a smaller footprint compared to previous series, enabling space-efficient layouts.
• Robust Ripple Handling: Specified ripple current values at both low and high frequencies support demanding power-conditioning tasks.
• Designed for Harsh Thermal Duty: 5000 hours load life at 105°C provides predictable long-term performance in high-temperature operating environments.
• Durable Mechanical Termination: Screw terminal package simplifies secure electrical and mechanical connections in rugged industrial installations.
• Regulatory Compliance: RoHS compliance supports use in projects requiring restricted-substance conformity.

Why Choose LNU2G272MSEGBB?

The LNU2G272MSEGBB combines high-capacitance energy storage with a high-voltage screw-terminal package tailored for industrial inverter, regenerative drive, and high-speed charge–discharge applications. Its 400 V nominal rating, elevated ripple-current capability, and 5000-hour life at 105°C make it a practical choice for engineers designing robust DC-link and energy-buffer circuits.

This part is appropriate for designs that require reliable, repeatable performance under thermal and electrical stress, and for teams seeking a RoHS-compliant, mechanically secure capacitor solution for industrial power assemblies.

Request a quote or contact sales to discuss pricing, availability, and lead times for the LNU2G272MSEGBB.