LQR2W182MSEFBB

The Nichicon LQR2W182MSEFBB is a screw‑terminal, radial can aluminum electrolytic capacitor offering 1800 µF capacitance at a 450 V rating. It is part of the LQR series designed for high‑speed charge‑discharge and high ripple current performance in power applications.

Typical use cases include power conversion and regenerative systems where high-voltage energy storage, robust ripple handling and elevated‑temperature endurance are required. The device combines a high voltage rating, screw‑terminal mounting and datasheet‑specified endurance to support demanding industrial power designs.

Key Features

• High Capacitance and Voltage: 1.8 mF (1800 µF) nominal capacitance at a 450 V rated voltage for high‑energy storage in compact can form.
• Screw Terminal, Radial Can Package: Screw terminal mounting and radial can construction simplify installation and wiring in power racks and busbar layouts.
• Operating Temperature and Lifetime: Rated for −25 °C to +85 °C with a 5000 hour endurance at 85 °C under D.C. bias plus rated ripple current as specified in the datasheet.
• High Ripple Current Capability: Designed for high ripple environments with specified ripple current of 7.4 A at 120 Hz and 10.36 A at 100 kHz.
• Charge‑Discharge Endurance: Engineered for repetitive charge/discharge use; datasheet qualification includes 20 million cycles (ΔV = rated × 0.3, 3 Hz) at room temperature.
• Leakage and Loss Characteristics: Leakage current after 5 minutes at 20 °C is limited to 3√(V) µA or 5 mA (whichever is smaller); tangent of loss angle and impedance characteristics are defined in the LQR series datasheet.
• RoHS Compliant: Manufactured in accordance with RoHS requirements documented for the LQR series.
• Size: Package dimensions L: 11 cm × D: 5.1 cm (radial, can with screw terminals) suitable for cabinet and chassis mounting.

Typical Applications

• AC Servo and Motor Drives: Supports high‑frequency regenerative voltage handling in servomotor and drive circuits.
• Inverters and Power Conversion: Used in general inverter DC‑bus and energy buffering where high voltage and ripple tolerance are required.
• Voltage Doubler and Rectifier Circuits: Suitable for rectifier circuits including voltage doubler topologies that require high‑voltage capacitance.
• Equipment in Fluctuating‑Voltage Environments: Fits systems exposed to varying supply conditions where sustained endurance and leakage control are important.

Unique Advantages

• High‑Voltage Energy Storage: 450 V rating combined with 1800 µF capacitance delivers significant stored energy for DC bus and pulse loads.
• Designed for High Ripple Loads: Specified ripple current values at 120 Hz and 100 kHz allow designers to quantify thermal and lifetime performance under real operating conditions.
• Proven Endurance Specification: 5000 hours at 85 °C under rated conditions and explicit charge/discharge cycle qualification provide measurable reliability margins for long‑running systems.
• Robust Mounting and Connectivity: Screw‑terminal radial can packaging enables secure, low‑impedance connections for power systems and simplifies assembly.
• Controlled Leakage and Loss: Datasheet limits on leakage current and tan δ provide predictable standby and loss behavior for power management design.
• Regulatory Compliance: RoHS compliance supports use in regulated markets and simplifies environmental qualification.

Why Choose LQR2W182MSEFBB?

The LQR2W182MSEFBB positions itself as a datasheet‑defined, high‑voltage electrolytic solution for industrial power electronics where ripple current, charge/discharge endurance and elevated‑temperature life are critical. Its screw‑terminal package and radial can form factor make it straightforward to integrate into power cabinets and DC‑link assemblies.

This capacitor is suited to engineers specifying components for inverters, regenerative drives and rectifier/voltage‑doubler circuits who need verifiable performance metrics (ripple current, leakage, endurance and temperature range) documented by the LQR series specifications from Nichicon.

If you need pricing, availability details or a formal quote for LQR2W182MSEFBB, request a quote or contact sales to discuss lead times and volume options.