LQR2G153MSEJBN

The LQR2G153MSEJBN is an aluminum electrolytic capacitor in a screw-terminal radial can designed for high-energy, high-voltage applications. It provides 15,000 µF capacitance at a 400 V rating and is polarized for use where substantial energy storage and robust DC bus filtering are required.

It is targeted at industrial power systems such as AC servomotor drives and general inverters where high-frequency regenerative voltages, voltage fluctuation tolerance and rectifier voltage-doubler circuits are common. The device combines high capacitance and rated voltage with series-level endurance characteristics and RoHS compliance.

Key Features

• High Capacitance & Voltage: 15,000 µF nominal capacitance at a 400 V rated voltage for large energy storage on DC buses and regenerative circuits.
• Screw Terminal Mounting: Radial can with screw terminals for secure high-current connections in industrial power assemblies.
• Designed for Regenerative and Fluctuating Voltages: Specified as suited for high-frequency regenerative voltage applications (AC servomotor, general inverter) and equipment in voltage-fluctuating areas, as well as rectifier circuits using voltage doublers.
• Ripple Current Handling: Rated ripple current of 43 A at 120 Hz and 60.2 A at 10 kHz, supporting both low- and high-frequency ripple conditions.
• Temperature & Endurance: Operating temperature range −25 °C to +85 °C with endurance defined as 5,000 hours at 85 °C under D.C. bias plus rated ripple current.
• Charge–Discharge Durability: Series endurance includes performance after 20 million charge–discharge cycles (ΔV = rated × 0.3, 3 Hz), demonstrating suitability for repeated regenerative events.
• Capacitance Tolerance & Polarization: Capacitance tolerance ±20% (−20% to +20%) and polarized construction for DC applications.
• Leakage Current Specification: Leakage current after 5 minutes is specified per datasheet formula: not more than 3√(√V) μA or 5 mA, whichever is smaller (at 20 °C).
• RoHS Compliant: Conforms to the RoHS directive (2011/65/EU, (EU)2015/863).
• Compact Package Dimensions: Provided dimensions include SizeDimension L: 22 × D: 9 cm (radial can with screw terminals).

Typical Applications

• Motor drives and servomotors: Energy buffering and regenerative voltage handling in AC servomotor and inverter systems.
• General inverters: DC-link capacitance for smoothing and stabilizing DC buses where voltage can fluctuate.
• Rectifier circuits (voltage doubler): Bulk energy storage and smoothing in rectifier topologies that require higher DC rail voltages.
• Industrial power equipment: Systems exposed to frequent voltage fluctuations that need robust, long-life capacitors with high ripple capability.

Unique Advantages

• Large energy storage at high voltage: 15,000 µF at 400 V provides substantial DC-bus energy capacity in a single component.
• High ripple capability across frequencies: Specified ripple current values at 120 Hz and 10 kHz support both mains-frequency and high-frequency regenerative currents.
• Designed for repeated charge–discharge cycles: Endurance validated for 20 million charge–discharge cycles (ΔV = rated × 0.3), beneficial for regenerative and cycling applications.
• Robust thermal endurance: 5,000 hours rated endurance at 85 °C under D.C. bias plus rated ripple current for reliable operation in elevated-temperature environments.
• Secure, serviceable connections: Screw-terminal radial can package simplifies high-current installation and maintenance in industrial assemblies.
• Regulatory compliance: RoHS conformity supports restricted-substance requirements for regulated markets.

Why Choose LQR2G153MSEJBN?

The LQR2G153MSEJBN positions itself as a high-capacity, high-voltage screw-terminal aluminum electrolytic solution for industrial power designs that demand large energy storage, robust ripple handling and endurance under repeated regenerative events. Its 15,000 µF/400 V rating, combined with specified ripple current and a 5,000-hour endurance at 85 °C, makes it suitable for DC-link buffering in drives, inverters and rectifier circuits where voltage fluctuation and frequent charge–discharge cycles occur.

This part is appropriate for design engineers and procurement teams building or servicing industrial power systems who need verifiable performance tied to datasheet specifications and RoHS compliance. The product’s mechanical and electrical characteristics simplify integration into high-current power assemblies while providing long-term operational traceability through established endurance parameters.

Request a quote or contact sales to discuss availability, lead times and technical details for integrating the LQR2G153MSEJBN into your design.