LQS2W271MELA50

The LQS2W271MELA50 from Nichicon is a snap‑in terminal aluminum electrolytic capacitor designed for high‑speed charge‑discharge applications. As part of the LQS series, it is optimized for high‑frequency regenerative voltages and environments with fluctuating supply levels.

With a 270 µF capacitance at 450 V rating, a –25 °C to 105 °C operating range and RoHS compliance, this capacitor addresses demanding power conversion needs in motor drives, inverters and rectifier circuits where robust high‑voltage performance and thermal endurance are required.

Key Features

• High Voltage & Capacitance — 270 µF nominal capacitance rated at 450 V for energy storage and DC link applications requiring high working voltage.
• 105 °C Rated Temperature — Specified operating range from –25 °C to 105 °C to support elevated‑temperature power electronics environments.
• High‑Speed Charge‑Discharge — Engineered for rapid charge/discharge cycles and endurance under repeated cycling; the LQS series is specified for high‑speed charge‑discharge behavior.
• Snap‑In Radial Can Package — Snap‑in terminal mounting simplifies board installation for power assemblies; package dimensions L: 5 × D: 2.5 cm support compact layout.
• Ripple Current Capability — Rated ripple current of 1.23 A at 120 Hz and 1.759 A at 50 kHz to support both low‑ and high‑frequency ripple conditions.
• Long Endurance — Endurance rating of 3000 hours at 105 °C under rated conditions for reliable long‑term operation.
• Polarized Electrolytic — Polarized construction suitable for DC link and rectifier circuits (observe correct polarity during installation).
• RoHS Compliant — Meets the RoHS directive (2011/65/EU, (EU)2015/863).

Typical Applications

• AC Servo and Motor Drives — Provides DC link and regenerative voltage handling for AC servomotor systems requiring frequent charge/discharge cycles.
• General Inverters — Suited for inverter designs exposed to voltage fluctuation and high‑frequency switching environments.
• Regenerative Power Circuits — Designed for high‑frequency regenerative voltage scenarios such as energy recovery and braking circuits.
• Voltage Doubler Rectifier Circuits — Applicable to rectifier stages using voltage‑doubler topologies where high DC voltage and stability are needed.

Unique Advantages

• High Voltage Handling: 450 V rating enables use in high‑voltage DC link and power conversion stages.
• Designed for High‑Frequency Duty: Specified ripple currents at 120 Hz and 50 kHz support both mains‑frequency and high‑frequency switching loads.
• Thermal and Time Endurance: 3000 hours at 105 °C endurance rating provides predictable aging performance in elevated temperature installations.
• Snap‑In Mounting: Radial can with snap‑in terminals allows secure, repeatable PCB mounting for power modules and assemblies.
• Application‑Focused Series: Part of the LQS family engineered for high‑speed charge/discharge and regenerative voltage use cases, simplifying component selection for power designers.
• Regulatory Compliance: RoHS compliance supports environmental and regulatory requirements for electronic assemblies.

Why Choose LQS2W271MELA50?

The LQS2W271MELA50 balances high voltage capability, thermal endurance and high‑frequency ripple performance in a snap‑in radial package tailored for power conversion systems. Its specifications—270 µF at 450 V, rated operation to 105 °C, and defined ripple current figures—make it a practical choice for engineers building inverters, motor drives and regenerative power circuits that face voltage fluctuation and demanding cycling.

Engineers and procurement teams looking for a Nichicon LQS series capacitor with predictable lifetime characteristics and clear electrical performance will find this part suitable for medium‑ and high‑voltage DC link applications where long endurance and high‑speed charge/discharge behavior are required.

If you would like pricing, availability or a formal quote for the LQS2W271MELA50, please request a quote or submit a pricing inquiry to receive detailed information and lead‑time options.