LQR2G562MSEG

The LQR2G562MSEG is a screw-terminal aluminum electrolytic capacitor designed for high speed charge–discharge applications. It provides a 5.6 mF (5600 µF) capacitance at a 400 V rating in a radial can with screw terminals, optimized for power-electronics environments.

This part is suited for high-frequency regenerative voltages and fluctuating-voltage applications such as AC servomotors, general inverters and rectifier/voltage-doubler circuits. Key value comes from its high ripple-current capability, robust endurance characteristics and RoHS compliance.

Key Features

• Capacitance & Rated Voltage — 5.6 mF (5600 µF) nominal capacitance with a 400 V rated voltage and ±20% tolerance.
• Package & Mounting — Screw terminal, radial can package designed for secure bolted connections; package dimensions provided as L: 17 × D: 6.35 cm and a maximum seated height of 6.693 inch.
• Operating Range & Lifetime — Rated for operation from −25 °C to +85 °C with a specified lifetime of 5000 hours at 85 °C under rated conditions.
• High Ripple Current Capability — Handles 22 A at 120 Hz and 30.8 A at 10 kHz, supporting high-frequency DC-link ripple in power converters.
• Endurance and Charge–Discharge Durability — Meets endurance requirements after 5000 hours at 85 °C with D.C. bias plus rated ripple current; also specified for 20 million charge–discharge cycles (ΔV = rated voltage × 0.3 at 3 Hz) with defined performance limits.
• Leakage Current & Low-Temperature Behavior — Leakage current specified as not more than 3√V (µA) or 5 mA after 5 minutes (whichever is smaller); impedance ratio Z(−25 °C)/Z(+20 °C) ≤ 8.
• Polarized Design & RoHS Compliance — Polarized electrolytic construction and compliant with the RoHS Directive (2011/65/EU, (EU)2015/863).

Typical Applications

• AC servomotor drives — Smooth and absorb high-frequency regenerative voltages on the DC bus to improve inverter stability and energy recovery.
• General inverters and motor drives — Provide DC-link smoothing where voltage can fluctuate and high ripple currents are present.
• Rectifier and voltage-doubler circuits — Used in DC filtering and energy storage in rectifier topologies including voltage doublers.
• High cycle power electronics — Suited for systems requiring frequent charge–discharge cycles thanks to specified endurance up to 20 million cycles.

Unique Advantages

• Designed for high-frequency ripple — High ripple-current ratings at both 120 Hz and 10 kHz support demanding DC-link environments.
• Proven endurance under load — Specified endurance of 5000 hours at 85 °C under DC bias plus rated ripple current ensures stable performance over long service intervals.
• Charge–discharge durability — Capability to meet performance criteria after 20 million charge–discharge cycles reduces maintenance and replacement in high-duty applications.
• Secure screw-terminal connections — Bolt-down terminals provide reliable high-current connections for industrial power assemblies.
• Wide operating temperature range — −25 °C to +85 °C rating accommodates a broad set of industrial environments.
• RoHS compliant — Meets current RoHS requirements for restricted substances.

Why Choose LQR2G562MSEG?

The LQR2G562MSEG combines high capacitance and a 400 V rating with robust ripple-current handling and proven endurance, making it a strong choice for DC-link and regenerative-energy applications in power conversion systems. Its screw-terminal construction and defined mechanical dimensions support secure installation in industrial equipment.

This capacitor is well suited to engineers and procurement teams specifying components for inverters, motor drives and rectifier circuits where frequent charge–discharge cycles, voltage fluctuation and high-frequency ripple are present. The specified lifetime, leakage limits and RoHS compliance provide verifiable, application-oriented value.

Request a quote or contact sales to discuss availability, lead times and how the LQR2G562MSEG can fit your power-electronics design requirements.