LNU2G392MSEGBB

The LNU2G392MSEGBB is a screw‑terminal aluminum electrolytic capacitor designed for high‑voltage power electronics. It provides 3.9 mF capacitance at a 400 V rating in a compact, high‑temperature 105°C construction suitable for industrial power applications.

Built for inverter and regenerative circuits, this radial can with screw terminals offers high ripple handling and long endurance for demanding charge/discharge and high‑frequency loading environments.

Key Features

• Capacitance & Voltage: 3.9 mF (3900 µF) rated at 400 V DC, polarized design for bulk energy storage in power systems.
• High‑Temperature Endurance: Rated operating temperature −40°C to +105°C with a load life of 5000 hours at 105°C under rated ripple current.
• Ripple Current Capability: 14.6 A at 120 Hz and 20.44 A at 10 kHz, supporting high ripple and high‑frequency applications.
• Loss and Leakage: Specified tangent of loss angle (tan δ) 0.2 and measured leakage current of 3.74 mA, enabling predictable dissipation and sizing for power designs.
• Mechanical & Mounting: Screw terminal, radial can package (φ63.5 × 100 mm) with M5 bolt provisions for secure power connections and easy serviceability.
• Robust Endurance Tests: Designed to withstand high‑speed charge/discharge loading and a 50 million cycle charge/discharge endurance test as defined for the LNU series.
• Compliance: RoHS compliant and supplied in cardboard packing; product is in mass production.

Typical Applications

• Industrial Inverters: Bulk energy buffering and DC link filtering in inverter circuitry used for motor drives and industrial power control.
• AC Servomotor Drives: Handles high‑frequency regenerative voltage and fast charge/discharge cycles in servomotor regenerative circuits.
• Power Supplies: Energy storage and ripple smoothing in high‑voltage power supplies for industrial equipment.
• High‑Frequency Power Circuits: Suitable for circuits that require sustained ripple current and stable performance at 10 kHz and above.

Unique Advantages

• High‑Voltage, Compact Form: 400 V rating in a φ63.5 × 100 mm can offers a space‑efficient high‑voltage energy storage option.
• Elevated Temperature Reliability: 5000‑hour life at 105°C supports sustained operation in harsh thermal environments.
• Strong Ripple Handling: High ripple current specs at both low and high frequencies reduce overheating and extend service life in power circuits.
• Charge/Discharge Durability: Engineered for repeated high‑speed charge/discharge loading, delivering predictable aging and performance over long cycle counts.
• Secure, Serviceable Connections: Screw terminal mounting and M5 bolt provisions simplify installation and maintenance in industrial panels and racks.
• Regulatory Compliance: RoHS compliance aligns with modern environmental requirements for industrial assemblies.

Why Choose LNU2G392MSEGBB?

The LNU2G392MSEGBB positions itself as a reliable, high‑voltage capacitor for power electronics designers who need compact energy storage with validated endurance at elevated temperatures. Its combination of 400 V rating, high ripple capability, and 5000‑hour life at 105°C makes it appropriate for inverter, servo, and industrial power supply designs requiring sustained performance under thermal and electrical stress.

Available in mass production with screw‑terminal packaging and RoHS compliance, this component supports robust system designs where predictable leakage, loss tangent, and long cycle endurance are required.

Request a quote or contact sales to discuss pricing, lead times, and volume availability for the LNU2G392MSEGBB.