LNUN7102MSEFBN

The LNUN7102MSEFBN is a screw-terminal aluminum electrolytic capacitor designed for high-voltage industrial power systems. It delivers 1000 µF at DC 525 V in a radial can with screw terminals, optimized for inverter circuitry, high-frequency regenerative voltage and demanding charge–discharge applications.

Engineered for robust thermal and electrical performance, this capacitor supports continuous operation from −40°C to +105°C with a 5000-hour rated life under rated ripple at 105°C, making it suitable for industrial inverter and motor-drive environments.

Key Features

• High Voltage Rating — Rated up to DC 525 V (rated voltage range 400–525 V), enabling use in high-voltage inverter and power-supply stages.
• Capacitance & Tolerance — 1000 µF nominal capacitance with ±20% tolerance (120 Hz, 20°C), providing bulk energy storage for power-conditioning and regenerative circuits.
• Temperature & Lifetime — Operates from −40°C to +105°C with a rated load life of 5000 hours at 105°C when subjected to rated ripple current.
• High Ripple Current Capability — Ripple current handling of 5.4 A at 120 Hz and 7.56 A at 10 kHz supports high-frequency inverter and regenerative applications.
• Screw Terminal Package — Radial can with screw terminals for secure, low-inductance connections in industrial assemblies; nominal bolt size M5.
• Robust Electrical Integrity — Leakage current specification: after 5 minutes at rated voltage, leakage ≤ 3√(C·V) µA or 5 mA (whichever is smaller). Insulation resistance >100 MΩ at DC 500 V between terminal and bracket; withstands AC 2500 V for 1 minute between terminal and bracket.
• Endurance & Charge–Discharge Durability — Meets specified characteristics after 5000 hours endurance at 105°C under rated ripple, and after 50 million charge–discharge cycles (ΔV = rated voltage ±0.3, 3 Hz).
• Compact High-Voltage Form Factor — Smaller sized than preceding LNT series with dimensions L: 9.5 cm × D: 5.1 cm and a seated height up to 3.74 inch, enabling space-efficient high-voltage designs.
• Environmental Compliance — RoHS compliant (2011/65/EU, (EU)2015/863).

Typical Applications

• Industrial Power Supplies — Bulk energy storage and smoothing in high-voltage industrial supplies serving inverters and drive electronics.
• Inverter Circuits — DC link and filtering capacitor for general inverters where high voltage and high ripple handling are required.
• AC Servomotor Drives — Support for high-frequency regenerative voltage in servomotor systems and drive regenerative circuits.
• High-Speed Charge–Discharge Systems — Applications requiring repeated fast charge/discharge cycles, backed by specified charge–discharge endurance characteristics.

Unique Advantages

• High Voltage Capacity: Rated to DC 525 V (400–525 V range), enabling use in higher-voltage inverter and power-conversion topologies.
• Designed for High Ripple and Frequency: Specified ripple currents at 120 Hz and 10 kHz support high-frequency regenerative and inverter applications.
• Extended Thermal Endurance: 5000-hour life at 105°C under rated ripple current ensures reliable operation in hot industrial environments.
• Durable Charge–Discharge Performance: Validated to withstand 50 million charge–discharge cycles (ΔV = rated ±0.3, 3 Hz), addressing aggressive cycling use cases.
• Secure, Low-Inductance Connections: Screw-terminal radial can package with M5 nominal bolt diameter simplifies robust mechanical and electrical integration.
• Compliance-Ready: RoHS conformity for installations requiring restriction of hazardous substances.

Why Choose LNUN7102MSEFBN?

The LNUN7102MSEFBN combines a high-voltage rating, substantive capacitance, and high ripple-current capability in a compact screw-terminal package designed for industrial inverter and regenerative applications. Its specified endurance at elevated temperature and validated charge–discharge performance make it appropriate for designs that demand sustained reliability under thermal and electrical stress.

This capacitor is well suited for engineers and procurement teams building inverter stages, servo drives, and high-frequency regenerative circuits who need a verified high-voltage aluminum electrolytic solution with clear electrical and mechanical specifications and RoHS compliance.

Request a quote or submit an inquiry for the LNUN7102MSEFBN to evaluate its fit for your power electronics design and receive pricing and availability information tailored to your project needs.