LQR2G222MSEFBB

The LQR2G222MSEFBB is an aluminum electrolytic capacitor in a screw-terminal radial can designed for high-speed charge–discharge applications. It provides 2200 µF capacitance at a 400 V rating and is intended for power-electronics use where regenerative or fluctuating voltages are present.

Engineered for industrial power systems, this capacitor supports high-frequency regenerative voltage for AC servomotors and general inverters, and is suitable for rectifier circuits such as voltage doublers. It is RoHS compliant and rated for operation from −25 °C to 85 °C.

Key Features

• Capacitance & Rated Voltage: 2200 µF (2.2 mF) nominal capacitance at 400 V rated voltage, with a tolerance of −20% to +20%.
• Screw Terminal Package: Radial can with screw terminals simplifies robust electrical connections and mechanical mounting for power electronics assemblies.
• High-Speed Charge–Discharge: Designed for 85 °C high-speed charge–discharge performance; the series specification explicitly supports rapid charge–discharge cycles.
• ESR and Ripple Handling: Equivalent series resistance of 150 mΩ at 120 Hz, with ripple current capability of 10.4 A at 120 Hz and 14.56 A at 10 kHz.
• Operating Range & Lifetime: Rated for operation from −25 °C to 85 °C with a specified lifetime of 5000 hours at 85 °C under rated conditions.
• Endurance for Charge–Discharge Behavior: Series data specify endurance under repeated charge–discharge cycles (specified test: 20 million cycles at ΔV = 0.3 × rated V, 3 Hz), supporting pulse and regenerative use cases.
• Polarized Design: Polar aluminum electrolytic capacitor construction for DC power applications.
• Compliance: RoHS compliant (2011/65/EU, (EU)2015/863).
• Form Factor: Size dimension L: 11 × D: 5.1 cm for planning mechanical integration.

Typical Applications

• AC Servomotor Regeneration: Energy buffering and regenerative voltage support in servo drive systems where high-frequency charge–discharge is required.
• General Inverters and Power Converters: DC-link and smoothing duties in inverter topologies exposed to fluctuating supply or regenerative events.
• Rectifier / Voltage Doubler Circuits: Use in rectifier stages and voltage doubler configurations where stable DC smoothing at high voltage is needed.
• Pulsed Charge–Discharge Circuits: Circuits requiring repeated high-speed charge–discharge cycles benefit from the specified endurance characteristics.
• Equipment in Voltage-Fluctuating Environments: Systems operating under variable or unstable input conditions that require robust DC energy storage and ripple handling.

Unique Advantages

• Designed for Regenerative Loads: Specified for high-frequency regenerative voltage in servomotor and inverter applications, providing targeted suitability for these power-electronics use cases.
• High Ripple Current Capacity: Rated ripple currents at both low and high frequency (10.4 A at 120 Hz and 14.56 A at 10 kHz) reduce heating and extend service life in high-stress systems.
• Endurance Under Repeated Cycling: Documented charge–discharge endurance supports applications with frequent energy transfer cycles and pulse loads.
• Robust Thermal Performance: Operation from −25 °C to 85 °C with a 5000-hour endurance rating at 85 °C supports sustained use in warm industrial environments.
• Secure Mechanical & Electrical Connections: Screw terminal radial can package facilitates reliable installation and maintenance in power racks and cabinets.
• Regulatory Compliance: RoHS conformity helps meet environmental and regulatory requirements for industrial equipment.

Why Choose LQR2G222MSEFBB?

The LQR2G222MSEFBB is positioned for engineers specifying DC energy storage and smoothing components in regenerative and inverter power systems. Its combination of 2200 µF at 400 V, defined ESR and ripple-current ratings, and documented charge–discharge endurance make it a practical choice where repeated high-speed energy transfer and voltage fluctuation tolerance are required.

This capacitor is appropriate for industrial power designs that demand predictable thermal and electrical behavior over time. The screw-terminal radial package eases integration into power assemblies, and RoHS compliance supports broader equipment compliance goals.

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