LNU2G392MSEGBN

The LNU2G392MSEGBN is a screw‑terminal aluminum electrolytic capacitor rated at 3900 µF and 400 V, designed for industrial power electronics. It is a high‑voltage, compact screw‑terminal can intended for applications such as inverter circuitry and high‑frequency regenerative circuits for AC servomotors and general inverters.

Built for robust thermal and electrical performance, this part supports operation from −40 °C to +105 °C and is specified for a 5000‑hour load life at 105 °C under applied ripple current. The series also supports rated voltages up to DC 525 V and is RoHS compliant.

Key Features

• Capacitance & Voltage — 3.9 mF (3900 µF) nominal capacitance with a 400 V rated voltage for high‑energy storage in compact footprint.
• High Voltage Range (Series) — Series rated voltage range extends up to DC 525 V, supporting higher voltage system designs.
• Thermal Range & Endurance — Operates from −40 °C to +105 °C with a specified load life of 5000 hours at 105 °C when subjected to rated ripple current.
• High Ripple Current Capability — Demonstrated ripple performance of 14.6 A at 120 Hz and 20.44 A at 10 kHz, suitable for high‑current and high‑frequency applications.
• Mechanical & Mounting — Screw terminal, radial can package for secure electrical and mechanical connection in industrial assemblies.
• Electrical Reliability — Leakage current specified as not more than 3√CV (µA) or 5 mA after 5 minutes at 20 °C; insulation resistance >100 MΩ at DC 500 V between terminal and bracket; voltage proof AC 2500 V for 1 minute between terminal and bracket.
• Endurance & Cycling — Meets capacitance, loss tangent, and leakage current requirements after 5000 hours at elevated temperature and after extensive charge–discharge endurance testing (50 million cycles at specified conditions).
• Polarized Design & Tolerance — Polarized capacitor with capacitance tolerance of ±20% (120 Hz, 20 °C).
• Regulatory — RoHS compliant (2011/65/EU, (EU)2015/863).

Typical Applications

• Industrial Inverters and Servo Drives — Energy storage and smoothing in inverter DC bus and regenerative circuits for AC servomotors and industrial drives.
• Power Supplies for Motor Control — Bulk and decoupling capacitance in industrial power supplies where high voltage and high ripple capability are required.
• High‑Frequency Regenerative Systems — Suitable for applications that require rapid charge–discharge cycles and high‑frequency ripple handling.

Unique Advantages

• High‑Voltage Capability: Rated at 400 V for the part and a series range up to DC 525 V, enabling use in higher‑voltage industrial systems.
• Compact, Screw‑Terminal Format: Screw terminal radial can offers rugged mechanical connection and straightforward assembly for power modules and cabinets.
• Designed for Elevated Temperatures: Specified operation to 105 °C and a 5000‑hour load life at that temperature for long‑term reliability in hot environments.
• High Ripple Endurance: Measured ripple currents at 120 Hz and 10 kHz support high‑current, high‑frequency power conversion loads.
• Proven Durability: Meets endurance and charge‑discharge cycle requirements, including long‑term storage and extensive cycling, for demanding industrial use.
• Regulatory Compliance: RoHS compliance supports deployment in regulated markets and products.

Why Choose LNU2G392MSEGBN?

LNU2G392MSEGBN combines high capacitance and high voltage in a screw‑terminal aluminum electrolytic can optimized for inverter, drive, and regenerative power applications. Its thermal rating to 105 °C, 5000‑hour load life under ripple, and measured high‑frequency ripple capability make it suitable for industrial power supplies and high‑speed charge/discharge environments.

This part is aimed at designers and procurement teams building industrial power conversion and motor control systems who need robust, high‑voltage bulk capacitance with proven endurance and regulatory compliance. The LNU2G392MSEGBN delivers quantifiable electrical and mechanical characteristics that support long‑term system reliability.

Request a quote or contact sales to discuss availability, lead times, and pricing for the LNU2G392MSEGBN.