LQR2V562MSEG

The LQR2V562MSEG from Nichicon is a screw-terminal aluminum electrolytic capacitor with a nominal capacitance of 5600 µF and a rated voltage of 350 V. It is built as a radial can with screw terminals for secure bolted connections and serviceable power-electronic assemblies.

Engineered for power-electronics environments, this capacitor is suited for high-frequency regenerative voltage applications such as AC servomotor drives and general inverters, equipment in voltage-fluctuating areas, and rectifier circuits using voltage doublers. The part is RoHS compliant and designed for continuous operation across a wide ambient range.

Key Features

• Capacitance & Voltage 5600 µF (5.6 mF) nominal capacitance at a rated voltage of 350 V with ±20% tolerance (measured at 120 Hz, 20°C).
• Screw-Terminal Mounting Radial can package with screw terminals for secure, low-inductance bolted connections and straightforward field servicing.
• High ripple and fast charge–discharge capability Specified ripple current of 20.4 A at 120 Hz and 28.56 A at 10 kHz; suitable for high-frequency regenerative voltage and frequent charge–discharge cycles.
• Temperature range & endurance Operating range from −25°C to +85°C with endurance specified at 5000 hours at 85°C under DC bias plus rated ripple current.
• Charge–discharge endurance Validated for 20 million charge–discharge cycles (ΔV = rated voltage × 0.3, 3 Hz) with limits on capacitance change, tan δ, and leakage current.
• Leakage and stability specs Leakage current after 5 minutes is limited to not more than 3√V µA or 5 mA (whichever is smaller); impedance and tan δ limits are defined for low-temperature stability and endurance.
• Compliance Compliant with the RoHS directive (2011/65/EU, (EU)2015/863).
• Physical footprint Radial can, screw terminal package with size dimensions L: 15 cm × D: 6.35 cm for planning installation and mounting.

Typical Applications

• AC servomotor drives — Handles high-frequency regenerative voltages and frequent charge–discharge cycles in servo power stages.
• General inverters — Provides energy buffering and smoothing in inverter DC-link and regenerative circuits where voltage can fluctuate.
• Voltage-doubler rectifiers — Suited for rectifier circuits that require large capacitance and stable performance under fluctuating input voltages.
• Industrial power electronics — Useful where robust screw-terminal connections and high ripple capability are required for maintenance-friendly installations.

Unique Advantages

• High stored energy at DC bus voltages 5600 µF at 350 V provides substantial energy storage for smoothing and regenerative buffering in power-electronics applications.
• Serviceable, secure connections Screw terminals permit bolted connections for secure electrical contact and simplified replacement or maintenance.
• Designed for high-frequency stress Measured ripple current ratings at both 120 Hz and 10 kHz and validated charge–discharge endurance make this capacitor suitable for regenerative and high-frequency environments.
• Long-term operational endurance Endurance specification of 5000 hours at 85°C under rated conditions and defined limits after endurance testing contribute to predictable life in demanding installations.
• Verified leakage and stability criteria Specified leakage current limits and impedance/ tan δ stability criteria support reliable performance and predictable ageing behavior.
• Regulatory compliance RoHS compliance supports use in applications where restricted substances requirements apply.

Why Choose LQR2V562MSEG?

The LQR2V562MSEG combines a high-capacitance 5.6 mF element with a 350 V rating and screw-terminal packaging to address energy-storage and smoothing needs in regenerative and fluctuating-voltage power systems. Its defined ripple current ratings, charge–discharge endurance, and 5000-hour endurance at 85°C provide quantifiable performance metrics for design validation.

Manufactured by Nichicon and compliant with RoHS, this capacitor is appropriate for engineers and procurement teams specifying components for industrial inverters, servo drives, and rectifier circuits that demand durable, serviceable, and well-characterized capacitors.

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