LQR2V822MSEHBN

The Nichicon LQR2V822MSEHBN is an aluminum electrolytic capacitor in a screw-terminal, radial can package, rated at 8200 µF (8.2 mF) and 350 V. It is designed for high-speed charge–discharge environments and applications that require robust handling of regenerative or fluctuating voltages.

Typical use cases include high-frequency regenerative voltage handling for AC servomotors and general inverters, rectifier circuits such as voltage doublers, and equipment operating in areas with significant voltage fluctuation. The part is RoHS compliant and optimized for reliability under continuous ripple and charge–discharge stress.

Key Features

• Capacitance & Voltage — 8200 µF (8.2 mF) nominal capacitance with a 350 V rated voltage and ±20% tolerance, providing bulk energy storage for power-conversion and regenerative circuits.
• Screw Terminal Mounting — Radial can with screw terminals for secure, low-impedance connections and robust mechanical installation in power assemblies.
• High Ripple Handling — Ripple current capability of 26.4 A at 120 Hz and 36.96 A at 10 kHz, suitable for sustained ripple in inverter and motor-drive topologies.
• Endurance & Charge–Discharge Durability — Rated for 5000 hours at 85°C under DC bias plus rated ripple current; specified charge–discharge endurance for 20 million cycles (ΔV = rated × 0.3, 3 Hz cycle) with defined performance retention.
• Operating Range & Low-Temp Stability — Operating temperature range −25°C to +85°C with impedance stability characterized down to −25°C (Z(−25°C)/Z(+20°C) ≤ 8).
• Leakage & Loss Characteristics — Leakage current limited per datasheet formula (max 3√V μA or 5 mA after 5 minutes at 20°C); tan δ and impedance characteristics specified for design verification.
• Mechanical Size — Physical footprint L: 15 × D: 7.62 cm with a seated height specification to assist layout and bracket design; package case: radial, can with screw terminals.
• Regulatory Compliance — Compliant with the RoHS directive (2011/65/EU, (EU)2015/863).

Typical Applications

• AC Servo & Motor Drives — Energy buffering and regenerative voltage handling for servo amplifiers and motor-control inverters that demand rapid charge–discharge response.
• General Inverters — Bulk energy storage and ripple smoothing in inverter DC-link stages exposed to high-frequency switching and variable voltage conditions.
• Voltage Doubler / Rectifier Circuits — Use in rectifier and voltage-doubler topologies where high capacitance at elevated voltages is required for stable DC output.
• Equipment in Fluctuating-Voltage Environments — Stabilization and transient energy absorption for industrial equipment operating where line or load voltages vary frequently.

Unique Advantages

• High energy density at 350 V: 8200 µF capacitance at a 350 V rating delivers substantial bulk storage for DC-link and regenerative applications.
• Designed for high-frequency ripple: Specified ripple currents at both 120 Hz and 10 kHz enable confident selection for switched and regenerative power stages.
• Durability under thermal stress: 5000 hours endurance at 85°C under DC bias plus rated ripple current supports long-term operation in elevated-temperature power cabinets.
• Charge–discharge endurance: Validated performance after 20 million charge–discharge cycles (ΔV = 0.3 × rated) provides confidence for applications with repetitive regenerative events.
• Robust, serviceable connections: Screw-terminal packaging simplifies assembly and maintenance while providing reliable electrical contact for high-current paths.
• Low-temperature performance characterized: Impedance stability specified to −25°C assists designs that must operate across wide ambient ranges.

Why Choose LQR2V822MSEHBN?

The LQR2V822MSEHBN combines high capacitance and a 350 V rating with screw-terminal robustness and specific ripple and endurance specifications to meet the demands of regenerative and high-frequency power electronics. It is suited to designers who require a proven aluminum electrolytic solution for DC-link energy storage, regenerative braking, and rectifier circuits in environments with fluctuating voltages.

This capacitor offers a balance of energy capacity, ripple capability, and long-term endurance at elevated temperature, making it a practical choice for industrial and power-conversion systems where sustained performance and reliable electrical connections are essential.

Request a quote or contact sales to discuss availability, lead times, and how the LQR2V822MSEHBN can be integrated into your power electronics designs.