LQR2W152MSEFBB

The LQR2W152MSEFBB is an aluminum electrolytic capacitor in a screw-terminal radial can designed for high-speed charge–discharge applications. With a rated capacitance of 1500 µF and a 450 V rating, it is engineered for industrial power electronics where voltage regeneration and fluctuating line conditions are common.

Targeted use cases include high-frequency regenerative voltage handling for AC servomotors and general inverters, equipment operating in voltage-fluctuating environments, and rectifier circuits such as voltage doublers. The part offers a combination of high-voltage energy storage, robust ripple handling, and proven endurance at elevated temperature.

Key Features

• Capacitance & Voltage: 1500 µF nominal capacitance at a 450 V rated voltage, providing substantial energy storage for high-voltage power circuits.
• Screw-Terminal Radial Can: Screw terminal mounting for secure, low-resistance connections in industrial enclosures and power assemblies.
• High-Speed Charge–Discharge Design: Series-designated high-speed charge–discharge behavior suitable for frequent regenerative events and dynamic power conditions.
• Operating Temperature Range: Rated for −25 °C to +85 °C operation, with endurance specified for 5000 hours at 85 °C.
• Ripple Current Capability: Handles 6.3 A at 120 Hz and 8.82 A at 10 kHz, supporting both low- and high-frequency ripple demands.
• Endurance & Charge–Discharge Lifetime: Endurance defined at 5000 hours (85 °C) and verified charge–discharge endurance of 20 million cycles (ΔV = rated voltage × 0.3, 3 Hz) at room temperature per series specifications.
• Polarized with ±20% Tolerance: Polarized electrolytic construction with capacitance tolerance of −20% to +20% at 120 Hz, 20 °C.
• Compact Can Dimensions: Physical size documented as L: 10 × D: 5.1 cm for mounting and layout planning.

Typical Applications

• Motor Drives & Servo Systems: Energy buffering and handling of high-frequency regenerative voltage in AC servomotor drives and motion controllers.
• Inverter Power Stages: Bulk storage and smoothing for general inverters where voltage fluctuation and regenerative events occur.
• Rectifier / Voltage Doubler Circuits: DC-link and smoothing capacitor in rectifier circuits and voltage-doubler topologies requiring high-voltage capacitance.
• Industrial Power Supplies: High-voltage energy storage for equipment operating in environments with unstable or fluctuating input voltages.

Unique Advantages

• High-voltage energy storage: 450 V rating provides substantial DC-link capability for industrial converters and rectifiers.
• Designed for frequent charge–discharge: High-speed charge–discharge characteristics and verified 20 million cycle endurance improve reliability in regenerative and pulsed-power applications.
• Robust ripple handling: Specified ripple current values at 120 Hz and 10 kHz support both low- and high-frequency power stages without premature degradation.
• Long elevated-temperature endurance: Endurance specified as 5000 hours at 85 °C ensures predictable performance in hot operating environments.
• Secure mechanical and electrical connection: Screw-terminal radial can simplifies assembly and delivers low-resistance, mechanically robust terminations.
• Explicit leakage and stability specifications: Leakage current and impedance stability at low temperature are defined in the series datasheet for informed thermal and electrical design tradeoffs.

Why Choose LQR2W152MSEFBB?

The LQR2W152MSEFBB positions itself as a practical, specification-driven solution for industrial power electronics that require high-voltage energy storage with reliable charge–discharge behavior. Its combination of 1500 µF at 450 V, screw-terminal packaging, and documented endurance at 85 °C makes it suitable for inverter DC-links, regenerative motor drives, and rectifier circuits operating under fluctuating voltage conditions.

Engineers and procurement teams designing robust power systems will value the clear electrical and mechanical specifications—ripple current ratings, temperature range, tolerance, and lifecycle endurance—that enable predictable integration and long-term performance in demanding industrial environments.

Request a quote or submit an inquiry to receive pricing and availability for the LQR2W152MSEFBB and to discuss suitability for your specific power-design requirements.