LNUN7222MSEH

The LNUN7222MSEH is a high-voltage aluminum electrolytic capacitor in a screw-terminal radial can designed for industrial power applications. It provides 2200 µF capacitance at a rated DC voltage of 525 V and is optimized for inverter and regenerative power circuitry where high-voltage handling and frequent charge–discharge cycles are required.

Built for robust thermal and electrical performance, the LNUN7222MSEH is rated for operation from −40 °C to +105 °C, offers a 5000-hour load life at 105 °C under rated ripple conditions, and is RoHS compliant.

Key Features

• High Voltage Capability Rated up to DC 525 V, suitable for industrial inverter and regenerative circuits requiring elevated DC bus voltages.
• Capacitance and Tolerance 2200 µF nominal capacitance with ±20% tolerance (measured at 120 Hz, 20 °C), providing bulk energy storage for power supply smoothing and DC link applications.
• Screw Terminal, Radial Can Package Screw-terminal mounting and radial can construction simplify installation and robust electrical connections in power assemblies.
• Thermal and Lifetime Specification Operating temperature range −40 °C to +105 °C and a rated load life of 5000 hours at 105 °C when subjected to rated ripple current.
• High Ripple and High-Frequency Performance Ripple current capability of 9.2 A at 120 Hz and 12.88 A at 10 kHz supports both low-frequency smoothing and high-frequency regenerative or switching environments.
• Durability Under Rapid Cycling Designed to withstand high-speed charge–discharge loading; charge–discharge endurance testing is performed up to 50 million cycles (3 Hz) per series test conditions.
• Electrical Insulation and Withstand Insulation resistance specified at greater than 100 MΩ at DC 500 V between terminal and bracket; voltage proof test at AC 2500 V for one minute is specified in the series data.
• Regulatory Compliance Compliant with the RoHS directive (2011/65/EU, (EU)2015/863).

Typical Applications

• Industrial Inverter DC Links Provides bulk energy storage and smoothing on DC bus circuits for general inverters and motor-drive power electronics.
• Regenerative Power Circuits Suited for high-frequency regenerative voltage handling in AC servomotor drives and other braking/regeneration circuits.
• High-Speed Charge–Discharge Systems Used where frequent or rapid charge–discharge cycles occur, benefiting from the series’ endurance testing and construction.
• Power Supply Filtering Acts as a high-voltage smoothing capacitor in industrial power supplies and high-voltage converters.

Unique Advantages

• High-Voltage Energy Storage: 525 V rating enables use in elevated DC bus and inverter environments without series stacks.
• Proven Thermal Endurance: 5000-hour load life at 105 °C under rated ripple current supports long-term reliability in hot operating conditions.
• Dual-Frequency Ripple Handling: Specified ripple current at both 120 Hz and 10 kHz accommodates low- and high-frequency switching applications.
• Robust Mechanical Termination: Screw-terminal radial can ensures reliable, low-resistance connections suitable for industrial assemblies.
• Charge–Discharge Durability: Series-level testing to 50 million charge–discharge cycles demonstrates suitability for applications with frequent voltage swings.
• Regulatory Compliance: RoHS compliance simplifies integration into assemblies intended for regulated markets.

Why Choose LNUN7222MSEH?

The LNUN7222MSEH positions itself as a practical high-voltage energy storage component for industrial power electronics, delivering 2200 µF at a 525 V rating in a screw-terminal radial-can form factor. Its combination of high ripple capability, wide operating temperature range, and extended load-life testing makes it suitable for inverter DC links, regenerative drives, and other demanding power-conversion applications.

Engineers and procurement teams looking for a RoHS-compliant, durable aluminum electrolytic solution for high-voltage, high-cycle environments will find the LNUN7222MSEH offers verifiable electrical and mechanical performance backed by series-level endurance and insulation specifications.

Request a quote or submit an inquiry to our sales team to discuss availability, lead times, and integration support for LNUN7222MSEH in your next power-electronics design.