LQR2V332MSEGBN

The LQR2V332MSEGBN is an aluminum electrolytic capacitor in a screw-terminal radial can designed for high-power applications. It provides 3.3 mF (3300 µF) capacitance at a 350 V rating and is specified for operation to 85°C.

Engineered for power conversion and regenerative circuits, this screw-terminal capacitor is intended for use in AC servomotor regenerative voltage, general inverters, voltage-doubler rectifiers and equipment operating in voltage-fluctuating environments. The component is RoHS compliant.

Key Features

• Electrical rating: 3.3 mF (3300 µF) capacitance with a 350 V rated voltage and ±20% tolerance.
• High ripple capability: Ripple current up to 11.9 A at 120 Hz and 16.66 A at 10 kHz, supporting heavy AC ripple and high-frequency regenerative currents.
• Screw terminal mounting: Radial can with screw terminals for secure, low-impedance power connections suitable for high-current installations.
• Operating temperature and endurance: Rated for −25°C to +85°C operation with a lifetime specification of 5000 hours at 85°C under DC bias plus rated ripple current.
• Reliability under stress: Endurance criteria (after 5000 h at 85°C) specify capacitance change within ±20%, tan δ up to 300% of initial, and leakage current not exceeding initial specified value.
• Charge-discharge durability: Specified to withstand 20 million charge-discharge cycles (ΔV = rated × 0.3, 3 Hz) at room temperature while meeting endurance characteristics.
• Leakage current limit: After 5 minutes at rated voltage, leakage current is ≤ 3√V (µA) or 5 mA, whichever is smaller (at 20°C), per datasheet definition.
• Mechanical dimensions and package: Radial can with screw terminals; size L: 9 cm × D: 6.35 cm and marking printed in white on a dark brown sleeve.
• Environmental compliance: RoHS directive compliant (2011/65/EU, (EU)2015/863).

Typical Applications

• AC servomotor regenerative circuits: Handles high-frequency regenerative voltages and repeated charge-discharge cycles in motor drive systems.
• Inverters and power converters: Bulk energy storage and ripple smoothing in general inverters and power conversion stages where high ripple current is present.
• Voltage-doubler rectifier circuits: Suitable for rectifier stages using voltage-doubler topologies that require high-voltage DC storage.
• Systems operating in fluctuating-voltage environments: Designed for equipment exposed to wide voltage variation, leveraging endurance and leakage specifications to maintain performance.

Unique Advantages

• High-voltage energy storage: 350 V rating combined with 3.3 mF capacitance provides substantial DC energy storage for power electronics.
• Screw-terminal power connection: Robust screw terminals allow secure, low-impedance connections for high-current and industrial installations.
• High-frequency ripple support: Significant ripple current ratings at both 120 Hz and 10 kHz make the part suitable for both mains-frequency and high-frequency converter applications.
• Long endurance at elevated temperature: 5000 hours at 85°C specification ensures predictable performance under continuous thermal and electrical stress.
• Charge-discharge robustness: Qualified for 20 million charge-discharge cycles under the specified test conditions, supporting regenerative and cycling applications.
• RoHS compliant: Meets current RoHS directive requirements for use in regulated markets and projects.

Why Choose LQR2V332MSEGBN?

The LQR2V332MSEGBN delivers a combination of high-voltage capacitance, strong ripple-current handling, and screw-terminal mechanical reliability tailored for power-conversion and regenerative designs. Its endurance and charge-discharge qualifications make it a practical choice where repeated energy cycling and voltage fluctuation tolerance are required.

This capacitor is suited for design teams specifying components for industrial drives, inverters, and rectifier systems that need measurable endurance and clear, datasheet-backed electrical limits. The Nichicon LQR series specifications provide designers with the test parameters and operating boundaries required for robust system integration.

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