LNUN7222MSEHBB

The LNUN7222MSEHBB is a screw-terminal aluminum electrolytic capacitor in Nichicon’s LNU series designed for high-voltage industrial power applications. It provides 2.2 mF (2200 µF) capacitance at a DC rated voltage of 525 V and is optimized for inverter circuitry, high-speed charge–discharge loading, and high-frequency regenerative voltages.

Built for robust thermal and electrical performance, this radial can with screw terminals supports continuous operation from –40 °C to 105 °C and a rated load life of 5000 hours at 105 °C, making it suitable for industrial power supplies and regenerative drive systems.

Key Features

• Electrical Performance Rated capacitance 2200 µF with ±20% tolerance and a high DC rated voltage of 525 V for demanding power applications.
• High Ripple Current Capability Designed to handle ripple currents of 9.2 A at 120 Hz and 12.88 A at 10 kHz, supporting both low- and high-frequency inverter environments.
• Thermal and Lifetime Operating temperature range –40 °C to +105 °C with a load life of 5000 hours at 105 °C under rated ripple current conditions.
• Package and Mounting Radial can with screw terminals for secure, low-inductance connections in industrial power assemblies.
• Endurance and Charge–Discharge Robustness Specified to withstand charge–discharge cycling and regenerative voltages typical of AC servomotor and inverter systems.
• Environmental Compliance RoHS compliant (2011/65/EU, (EU)2015/863).
• Dimensions Compact footprint specified as L: 10 cm × D: 7.62 cm to aid dense power-module layouts.

Typical Applications

• Industrial Inverters Energy storage and smoothing in inverter front-ends for industrial drives and power conversion systems.
• Regenerative Drive Systems Filtering and energy buffering for high-frequency regenerative voltages in AC servomotor controllers.
• High-Speed Charge–Discharge Circuits Support for rapid cycling applications where charge–discharge robustness and high ripple capability are required.
• Industrial Power Supplies Bulk capacitance and voltage hold-up for industrial power modules and regenerative supplies.

Unique Advantages

• High Voltage Capability: DC rating up to 525 V enables use in higher-voltage power systems without series stacking.
• High Ripple Current Handling: Measured ripple ratings at both 120 Hz and 10 kHz support broadband inverter and switching environments.
• Extended High-Temperature Life: 5000 hours at 105 °C under rated ripple current provides predictable lifetime for industrial deployments.
• Compact High-Voltage Form Factor: Smaller physical sizing relative to earlier LNT series variants supports denser power designs.
• Robust Mechanical Termination: Screw-terminal radial can offers secure electrical and mechanical connection for industrial assemblies.
• RoHS Compliance: Meets current RoHS requirements for environmental and regulatory considerations.

Why Choose LNUN7222MSEHBB?

The LNUN7222MSEHBB combines high-voltage capability (up to DC525V), sizeable capacitance (2200 µF), and high ripple-current tolerance in a screw-terminal aluminum electrolytic package tailored for industrial power and inverter applications. Its rated operation to 105 °C and a 5000-hour load-life specification provide designers predictable performance and durability under continuous thermal and electrical stress.

This capacitor is well suited to engineers specifying components for regenerative motor drives, inverter front-ends, and other high-frequency power systems that require reliable bulk energy storage and filtering in a compact screw-terminal form factor.

Request a quote or submit an inquiry to discuss availability, lead times, and pricing for LNUN7222MSEHBB; our team can provide technical and purchasing support to help integrate this capacitor into your design.