LQR2G822MSEHBB

The LQR2G822MSEHBB is a screw‑terminal aluminum electrolytic capacitor designed for high‑energy storage and high‑speed charge/discharge applications. With 8200 µF capacitance at a 400 V rating and an operating temperature range of -25 °C to 85 °C, it is built for power electronics systems that require robust DC link and regenerative voltage handling.

Typical use cases include inverters and AC servomotor circuitry where high ripple handling and reliable endurance under fluctuating voltages are required. The product is RoHS compliant and offered by Nichicon as part of the LQR series optimized for high‑speed charge/discharge performance.

Key Features

• High Capacitance: 8.2 mF (8200 µF) provides substantial energy storage for DC link and smoothing applications.
• Rated Voltage: 400 V rating suitable for medium‑voltage inverter and regenerative circuits.
• Screw Terminal Mounting: Robust radial can with screw terminals for secure, low‑resistance power connections in high‑current systems.
• Ripple Current Handling: 28.6 A at 120 Hz and 40.04 A at 10 kHz, enabling effective ripple absorption across low and high frequencies.
• Low Equivalent Series Resistance (ESR): 150 mΩ at 120 Hz to support high ripple currents and reduce heating under load.
• Temperature Range and Endurance: Rated for -25 °C to 85 °C with an endurance specification of 5000 hours at 85 °C under rated bias and ripple conditions.
• Charge–Discharge Durability: Designed to meet endurance requirements after repetitive charge/discharge testing (20 million cycles at specified conditions).
• Polarized Construction: Electrolytic, polarized device for DC applications such as rectifier and DC link circuits.
• RoHS Compliant: Conforms to RoHS directive (2011/65/EU, (EU)2015/863).
• Physical Size: Package dimensions provided as L: 17 × D: 7.62 cm for layout and mechanical planning.

Typical Applications

• AC Servomotor Regeneration: Used in regenerative voltage circuits to absorb and store energy during high‑frequency charge/discharge events.
• General Inverters: Serves as DC link capacitors in inverters where stable voltage buffering and ripple suppression are needed.
• Voltage‑Fluctuating Equipment: Suitable for equipment operating in environments with variable supply voltages, providing smoothing and energy buffering.
• Rectifier / Voltage Doubler Circuits: Applied in rectifier stages and voltage doubler circuits that require large bulk capacitance and endurance under repetitive charging.

Unique Advantages

• Substantial Bulk Energy Storage: 8200 µF capacitance provides the stored energy needed for DC link stability and transient support.
• High Ripple Capability: Rated ripple currents at both 120 Hz and 10 kHz reduce the need for parallel components to handle AC ripple across frequency bands.
• Low ESR for Thermal Efficiency: 150 mΩ ESR at 120 Hz minimizes I²R losses and helps control self‑heating under continuous ripple.
• Engineered for Charge/Discharge Cycling: Endurance and charge/discharge behavior specifications target long service life in regenerative and repetitive duty applications.
• Secure Mechanical Termination: Screw‑terminal radial can simplifies high‑current wiring and mechanical mounting in power assemblies.
• Regulatory Compliance: RoHS compliance supports environmentally regulated designs and procurement requirements.

Why Choose LQR2G822MSEHBB?

The LQR2G822MSEHBB combines high capacitance, robust ripple handling, and screw‑terminal construction to meet the demands of power electronics designs such as inverters, motor drives, and regenerative converters. Its endurance at 85 °C and validated charge/discharge behavior make it appropriate for systems that experience frequent voltage swings or regenerative energy flow.

Manufactured by Nichicon and conforming to RoHS requirements, this capacitor is suited for engineers and procurement teams seeking a proven, specification‑driven component for medium‑voltage DC link and smoothing applications where reliable performance and clear, verifiable specifications are essential.

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