LQR2V332MSEGBB

The LQR2V332MSEGBB is a screw-terminal aluminum electrolytic capacitor engineered for high-speed charge–discharge operation at up to 85°C. Designed for power-electronics environments, it supports high-frequency regenerative voltages and applications where supply voltage fluctuates.

With a 350 V rated voltage and 3.3 mF capacitance, this polarized radial can provides high ripple-current capability and long-term endurance for inverter, motor drive and rectifier circuits.

Key Features

• Capacitance & Voltage  3.3 mF nominal capacitance with a 350 V rated voltage and ±20% tolerance at 120 Hz, 20°C.
• Screw-Terminal Package  Radial can with screw terminals for secure electrical and mechanical connection in high-current installations.
• High-Speed Charge–Discharge  Rated for 85°C high-speed charge–discharge use, suitable for rapid cycling and regenerative events.
• Ripple Current Performance  Supports 11.9 A ripple at 120 Hz and 16.66 A ripple at 10 kHz, enabling use in high-frequency power circuits.
• Temperature Range & Stability  Operating temperature range −25°C to +85°C with an impedance ratio Z(−25°C)/Z(+20°C) ≤ 8 for low-temperature stability.
• Endurance & Charge–Discharge Durability  5000 hours endurance at 85°C under DC bias plus rated ripple current; also specified for 20 million charge–discharge cycles (ΔV = 0.3 × rated V, 3 Hz).
• Leakage Current  After 5 minutes at rated voltage (20°C) leakage current is limited to 3√V μA or 5 mA, whichever is smaller.
• RoHS Compliance  Compliant with the RoHS Directive (2011/65/EU, (EU)2015/863).

Typical Applications

• AC Servo and Motor Drives  Handles high-frequency regenerative voltage common in AC servomotor drive systems and regenerative braking circuits.
• General Inverters  Provides bulk energy storage and ripple handling in general-purpose inverter DC-link and power-conditioning stages.
• Voltage-Doubler Rectifiers  Suited for rectifier circuits in voltage-doubler topologies where voltage fluctuations are present.
• Equipments Operating in Fluctuating-Voltage Areas  Built for environments with varying supply conditions, offering stable capacitance and leakage performance under stress.

Unique Advantages

• High ripple-current capability: Specified 11.9 A at 120 Hz and 16.66 A at 10 kHz to support high-frequency and high-current power stages.
• Designed for rapid cycling: Endurance tested for 5,000 hours at 85°C and 20 million charge–discharge cycles, making it reliable in frequent-charge/discharge systems.
• Robust temperature performance: −25°C to +85°C operating range and controlled impedance increase at low temperature (Z(−25°C)/Z(+20°C) ≤ 8) for dependable performance across conditions.
• Predictable leakage behavior: Leakage current limit defined by 3√V μA or 5 mA after initial application, simplifying thermal and leakage budgeting in designs.
• Screw-terminal connectivity: Facilitates secure high-current terminations and straightforward installation in power assemblies.
• Regulatory compliance: RoHS conformity supports use in regulated markets and simplifies environmental compliance efforts.

Why Choose LQR2V332MSEGBB?

The LQR2V332MSEGBB is positioned for power-electronics designers who need a high-capacitance, high-voltage screw-terminal solution that tolerates frequent charge–discharge cycles and elevated ripple currents. Its combination of 350 V rating, 3.3 mF capacitance, and validated endurance at 85°C make it suitable for inverter, motor drive regenerative and rectifier applications where supply voltages fluctuate.

This capacitor delivers predictable electrical behavior (leakage, impedance and capacitance stability) with RoHS compliance, supporting durable designs and streamlined compliance management for industrial and power-control equipment.

If you need pricing, lead time or to start a procurement request, submit a quote request or contact the sales team with your project details and requirements.