LNU2W822MTEJ

The LNU2W822MTEJ is a screw-terminal aluminum electrolytic capacitor from Nichicon’s LNU series, offering 8.2 mF capacitance at a 450 V rating. Designed for stud bolt mount installations, it targets industrial power electronics where high-voltage filtering and high ripple handling are required.

With a 105 °C temperature rating and a 5000‑hour endurance at that temperature, this capacitor suits inverter circuitry, motor drive regeneration, and other high-frequency, high-energy power applications that demand reliable bulk energy storage and rapid charge–discharge capability.

Key Features

• Capacitance & Voltage: 8.2 mF (8200 µF) nominal capacitance with a rated voltage of 450 V and tolerance of −20% to +20%.
• High-temperature endurance: Rated for operation from −40 °C to +105 °C with a specified load life of 5000 hours at 105 °C under rated ripple conditions.
• High ripple current capability: Low-frequency ripple current 24.7 A (120 Hz) and high-frequency ripple current 34.58 A (10 kHz), supporting demanding switching and regenerative environments.
• Low-frequency loss characteristic: Tangent of loss angle (tanδ) of 0.2 measured at 20 °C, 120 Hz, providing predictable AC performance.
• Leakage current: Specified leakage current up to 5000 µA; series guidance also references the datasheet leakage criterion of not more than 3√(C·V) µA or 5 mA, whichever is smaller (measured at 20 °C after voltage application).
• Rugged mechanical package: Radial can with screw terminals for stud bolt mounting; physical size φ90 × 145 mm (L: 14.5 × D: 9 cm) for secure installation in power racks and cabinets.
• Compliance and supply status: RoHS‑compliant and listed as mass production, with cardboard packing for shipment.

Typical Applications

• Industrial inverter power supplies: Bulk energy smoothing and DC-link filtering for inverter circuitry in industrial power supplies.
• Servo and motor drive regeneration: Handling high-frequency regenerative voltages and rapid charge–discharge loads in AC servomotor and drive systems.
• High-frequency switching power electronics: Support for switching converters and supplies that require high ripple-current capability at both low and high frequencies.
• Energy buffering in power systems: Bulk storage and transient absorption where robust high-voltage capacitors are required for reliability under continuous ripple loading.

Unique Advantages

• High-voltage, high-capacity combination: 450 V rating with 8.2 mF capacitance provides substantial energy storage in a single component for DC-link and smoothing duties.
• Designed for heavy ripple loads: Rated ripple currents of 24.7 A (120 Hz) and 34.58 A (10 kHz) reduce the need for parallel capacitors or oversized solutions in high-power switching designs.
• Long life at elevated temperature: 5000‑hour load life at 105 °C supports reliable operation in high-heat enclosures and continuously loaded power electronics.
• Secure mechanical interface: Stud bolt mount with screw terminals enables robust electrical and mechanical connections in cabinet and rack-mounted equipment.
• Measured performance data: Specified tanδ and leakage current figures (measured conditions provided) allow predictable design margins and verification against system requirements.
• RoHS compliant and production-ready: Meets RoHS requirements and is available in mass production with standard packing for immediate procurement.

Why Choose LNU2W822MTEJ?

The LNU2W822MTEJ balances high-voltage capability, large capacitance, and sustained ripple handling in a stud-mounted screw-terminal package tailored for industrial power electronics. Its 105 °C rating and 5000‑hour endurance under rated ripple current deliver the robustness required for continuous operation in inverter, motor drive, and regenerative power applications.

Engineers specifying DC-link, bulk energy storage, or high-frequency regenerative capacitors will find this part suited to systems that demand predictable electrical characteristics and secure mechanical mounting. The LNU series’ emphasis on high voltage and compact sizing supports designs where volume and performance must be reconciled.

Request a quote or contact sales to discuss availability, pricing, and lead times for LNU2W822MTEJ.