LQR2G182MSEFBN

The LQR2G182MSEFBN is a screw-terminal aluminum electrolytic capacitor offering 1.8 mF (1800 µF) capacitance at a 400 V rating. It is built for high-capacity, high-frequency charge–discharge environments and supplied in a radial can with screw terminals for secure connections.

Designed for long-life operation, the unit features 5000 h endurance at 85°C and a wide operating temperature range from -25°C to 85°C. With robust ripple current capability at both low and high frequencies, it is targeted at demanding power-electronics applications.

Key Features

• Capacitance & Voltage — 1.8 mF (1800 µF) nominal capacitance rated for 400 V operation, with capacitance tolerance of ±20% (120 Hz, 20°C).
• Endurance & Temperature — Rated for 5000 h endurance at 85°C and specified for operation from -25°C to 85°C.
• High-frequency charge–discharge — Series design noted for 85°C high-speed charge-discharge performance, suitable for rapid cycling in power circuits.
• Ripple Current Performance — High ripple capability: 9.1 A at 120 Hz and 12.74 A at 100 kHz, supporting heavy AC and switching loads.
• Equivalent Series Resistance (ESR) — 150 mΩ measured at 120 Hz, enabling effective filtering and energy transfer in power stages.
• Mounting & Package — Screw terminal radial can package for reliable, serviceable connections in industrial assemblies; package dimensions L: 9 × D: 5.1 cm.
• Polarization & Construction — Polarized aluminum electrolytic design for energy storage and smoothing in DC power circuits.
• Environmental Compliance — RoHS compliant.

Typical Applications

• Inverters and Motor Drives — Energy storage and smoothing for general inverters and AC servomotor drives, including high-frequency charge–discharge environments.
• Regenerative Braking/Regenerative Circuits — Suited for high-frequency regenerative voltage in servo and drive systems where rapid charge/discharge cycles occur.
• Voltage-doubler Rectifiers — Use in rectifier circuits such as voltage doublers that require large capacitance at high voltage.
• Power Electronics with Fluctuating Voltage — Designed for equipment operating in areas with voltage fluctuations where robust smoothing and ripple handling are required.

Unique Advantages

• High energy capacity: 1800 µF at 400 V provides substantial stored energy for smoothing, buffering, and peak-demand support.
• Durable under thermal stress: 5000 h endurance at 85°C offers predictable long-term performance in high-temperature installations.
• Strong ripple-handling capability: Rated ripple currents at 120 Hz and 100 kHz enable reliable operation in both low-frequency and high-frequency switching environments.
• Serviceable screw-terminal connection: Screw terminals simplify secure wiring and field serviceability in industrial assemblies.
• Low ESR for efficient power transfer: 150 mΩ ESR at 120 Hz helps reduce losses and improves filtering effectiveness in power stages.
• Produced for mass production: Supplied in cardboard packing and manufactured for high-volume applications.

Why Choose LQR2G182MSEFBN?

The LQR2G182MSEFBN is positioned for engineers and procurement teams who need a high-capacity, high-voltage electrolytic solution for demanding power-electronics designs. Its combination of 1800 µF at 400 V, extended endurance at elevated temperature, and strong ripple-current capability make it well suited to inverters, regenerative circuits, and rectifier applications where reliable energy storage and rapid charge–discharge behavior are required.

Produced by Nichicon for mass production and supplied in serviceable screw-terminal format, this capacitor delivers a balance of performance, robustness, and installability for industrial power systems and backing energy-storage stages.

Request a quote or submit a pricing inquiry to evaluate the LQR2G182MSEFBN for your next power-electronics design.