LQR2G153MSEJBB

The LQR2G153MSEJBB is a Nichicon LQR series aluminum electrolytic capacitor in a screw-terminal can designed for high-speed charge–discharge applications. It offers 15,000 µF capacitance at a 400 V rated voltage and is optimized for high-frequency regenerative voltage and inverter power circuits.

Built for demanding power-electronics environments, this screw-terminal capacitor supports applications such as AC servomotor regenerative circuits, general inverters, voltage-doubler rectifiers and equipment operating in voltage-fluctuating areas, while operating across –25 °C to 85 °C.

Key Features

• Capacitance & Voltage — 15,000 µF (15 mF) capacitance with a 400 V rated voltage, providing bulk energy storage for high-voltage power circuits.
• High-speed charge–discharge design — Engineered for high-speed charge–discharge behavior and suited to high-frequency regenerative voltages used in motor drives and inverters.
• Ripple current capability — Rated ripple current of 43 A at 120 Hz and 60.2 A at 10 kHz to handle sustained AC ripple in power-conversion applications.
• Equivalent series resistance (ESR) — 150 mΩ at 120 Hz, helping control internal losses and heating in high-current conditions.
• Temperature and endurance — Operating temperature range of –25 °C to 85 °C with an endurance rating of 5,000 hours at 85 °C under DC bias plus rated ripple current.
• Mounting and package — Screw terminal radial can package for secure electrical and mechanical connection in high-current assemblies.
• RoHS compliant — Conforms to the RoHS Directive (2011/65/EU, (EU)2015/863).

Typical Applications

• AC servomotor regenerative circuits — Smooths and stores regenerative energy in high-frequency motor drive applications.
• General inverters — Provides high-voltage bulk storage and ripple handling for inverter DC bus stabilization.
• Voltage-doubler rectifier circuits — Suited for use in rectifier stages such as voltage doublers where high voltage and capacitance are required.
• Equipment in voltage-fluctuating environments — Designed to tolerate fluctuating supply conditions while maintaining capacitance and leakage performance.

Unique Advantages

• High energy storage at high voltage: 15,000 µF at 400 V supports large bulk energy requirements for power-conversion systems.
• High ripple-current endurance: 43 A (120 Hz) and 60.2 A (10 kHz) ratings allow the capacitor to manage sustained AC ripple in demanding circuits.
• Robust thermal endurance: Rated for 5,000 hours at 85 °C under bias, offering predictability for elevated-temperature deployments.
• Screw-terminal reliability: Radial can with screw terminals provides secure, low-impedance connections for high-current assemblies.
• Measured ESR specification: 150 mΩ at 120 Hz gives a clear, verifiable parameter for thermal and loss calculations in design.
• Regulatory compliance: RoHS conformity supports environmental requirements in product design.

Why Choose LQR2G153MSEJBB?

LQR2G153MSEJBB combines high capacitance, a 400 V rating and engineered charge–discharge endurance to meet the needs of power-electronics designs where large energy storage, high ripple handling and reliable terminal connections are required. Its screw-terminal can package and specified ESR and ripple-current ratings make it suitable for integration into regenerative motor drives, inverters and rectifier circuits operating in fluctuating-voltage environments.

This capacitor is well suited to engineers and procurement teams specifying components for robust industrial power systems that require long-term performance data, clear electrical parameters and RoHS compliance.

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