LNC2G392MTEH

The LNC2G392MTEH is a screw-terminal, stud bolt–mount aluminum electrolytic capacitor from Nichicon’s LNC series. It provides 3.9 mF capacitance at a 400 V rating in a compact, radial can with screw terminals for robust power connections.

Targeted at industrial power electronics, this capacitor is optimized for inverter circuitry, high-frequency regenerative voltage and other high ripple, high-speed charge–discharge applications where long life and reliable performance at elevated temperatures are required.

Key Features

• Rated Capacitance and Voltage: 3.9 mF (3900 µF) at 400 V, suitable for DC link and energy-buffering roles in power systems.
• High Ripple Current Capability: Low-frequency ripple current 17.1 A (120 Hz) and high-frequency ripple current 23.94 A (100 kHz), supporting demanding AC and switching environments.
• Endurance and Temperature Range: Load life rated 5000 hours at 85°C with rated ripple applied; operating temperature range −40°C to +85°C.
• Loss Characteristics: Dissipation factor (tan δ) 0.2 measured at 20°C, 120 Hz, for predictable dissipation behavior under typical measurement conditions.
• Leakage Current: Specified leakage current 3740 µA, measured after rated voltage application, enabling design of predictable startup and holding currents.
• Mechanical and Mounting: Stud bolt (screw terminal) mount in a radial, can-style package (φ76.2 × 80 mm), designed for secure electrical and mechanical attachment.
• Robust Insulation and Voltage Withstand: Insulation resistance >100 MΩ at DC 500 V between terminal and bracket; voltage proof of AC 2500 V for 1 minute between terminal and bracket.
• Reliability Tests: Meets endurance criteria (capacitance within ±20%, tan δ within 200% of initial, leakage ≤ initial) after 5000 h at 85°C; also specified for 50 million charge–discharge cycles at room temperature.
• Compliance: RoHS compliant (per provided directive information) and produced as part of Nichicon’s LNC series in mass production.

Typical Applications

• Industrial Inverters: DC link and smoothing in inverter power stages, where high ripple current and long life at elevated temperature are required.
• AC Servo Drives: Energy buffering and regenerative voltage handling for AC servomotor control systems and high-speed charge–discharge loads.
• Switch-Mode Power Supplies: Bulk energy storage and high-frequency filtering in industrial SMPS designs operating under heavy ripple stress.
• Regenerative and Braking Circuits: Handling high-frequency regenerative voltage peaks and fast charge–discharge cycles in motor control and braking systems.

Unique Advantages

• High Ripple Handling: Rated ripple currents of 17.1 A (120 Hz) and 23.94 A (100 kHz) reduce thermal stress and extend operational stability in switching environments.
• Long-Term Endurance: 5000-hour rated life at 85°C with specified performance retention delivers predictable lifetime behavior for continuous industrial operation.
• Compact Screw-Terminal Design: Stud bolt mount and screw terminals provide rugged, low-impedance connections suitable for high-current power applications.
• Designed for High-Speed Cycling: Qualified for 50 million charge–discharge cycles (ΔV = rated × 0.3 at 3 Hz), supporting frequent dynamic energy transfers.
• Robust Dielectric and Isolation: High insulation resistance and AC voltage proof between terminal and bracket enhance safety and system reliability.
• Series Proven Performance: Part of Nichicon’s LNC family, offering consistent mechanical and electrical characteristics for system designers specifying series components.

Why Choose LNC2G392MTEH?

The LNC2G392MTEH combines high capacitance and a 400 V rating with elevated ripple-handling capability and a 5000-hour endurance at 85°C, making it well suited for demanding industrial power electronics. Its screw-terminal stud mount and radial can package enable secure mechanical installation and reliable high-current connections.

This part is ideal for design teams developing inverter stages, servo drives, regenerative braking circuits and industrial SMPS where sustained ripple performance, predictable aging, and RoHS compliance are important selection criteria.

Request a quote or contact sales to discuss pricing, availability, and how LNC2G392MTEH can fit into your power electronics design and procurement requirements.