LNU2G332MSEGBN

The LNU2G332MSEGBN is a Nichicon LNU series screw‑terminal aluminum electrolytic capacitor rated at 3300 µF and 400 V DC. It is a high‑voltage, screw‑terminal radial can designed for industrial power electronics where robust bulk capacitance and high ripple handling are required.

Suited for use in industrial power supplies, inverter circuitry and high‑frequency regenerative circuits such as AC servomotors and general inverters, this part combines high ripple capability, a 105°C operating range and a 5000‑hour load life for reliable performance in demanding applications.

Key Features

• High Capacitance: 3300 µF (3.3 mF) nominal capacitance to provide substantial energy storage and smoothing in power rails.
• 400 V Rated Voltage: Designed for high‑voltage DC applications common in industrial power supplies and inverter systems.
• Screw Terminal Mounting: Robust screw‑terminal radial can package for secure electrical and mechanical connections in power assemblies.
• High Ripple Current Capability: 13.6 A at 120 Hz (low frequency) and 19.04 A at 10 kHz (high frequency), enabling sustained ripple handling across typical power converter bandwidths.
• Thermal and Lifetime Performance: Rated for −40°C to +105°C operation with a specified load life of 5000 hours at 105°C under rated ripple conditions.
• Low Loss and Leakage: Specified tan δ of 0.2 and a leakage current of 3.44 mA, supporting efficient energy conversion and predictable self‑discharge behavior.
• Compact Mechanical Footprint: 63.5 mm diameter by 95 mm length (L: 9.5 × D: 6.35 cm) offers a high capacitance density in a screw‑terminal can.
• RoHS Compliant: Meets RoHS requirements for restricted substances.

Typical Applications

• Industrial Power Supplies: Bulk smoothing and energy storage for high‑voltage DC rails in switch‑mode and industrial power supply designs.
• Inverter and Motor Drive Circuits: DC link and regenerative energy buffering for inverter systems and AC servomotor drives.
• High‑Frequency Power Electronics: Applications requiring sustained ripple performance at both low and high frequencies, such as PWM converters and regenerative converters.
• Charge‑Discharge Systems: Circuits that undergo frequent charge/discharge cycles, leveraging the LNU series’ specified endurance for repeated cycling.

Unique Advantages

• Designed for High‑Voltage Systems: 400 V rating enables use in elevated DC bus applications without additional series capacitors.
• High Ripple Endurance: Specified ripple currents at 120 Hz and 10 kHz reduce thermal stress and extend operational stability under real‑world converter loading.
• Long High‑Temperature Life: 5000 hours at 105°C under rated ripple current provides predictable lifetime performance in hot industrial environments.
• Secure, Serviceable Connections: Screw‑terminal design simplifies installation, replacement and maintenance in power assemblies.
• Predictable Electrical Behavior: Defined tan δ, leakage current and ±20% capacitance tolerance support reliable design margining and simulation.
• RoHS Compliance: Facilitates regulatory alignment in assemblies where restricted substance compliance is required.

Why Choose LNU2G332MSEGBN?

The LNU2G332MSEGBN positions itself as a reliable bulk energy storage solution for industrial and inverter‑grade power electronics. With a 3300 µF capacitance at 400 V, high ripple current ratings across low and high frequencies, and a proven 5000‑hour life at 105°C, it delivers the electrical and thermal performance engineers need for DC link and regenerative applications.

This part is well suited to design teams and procurement specialists specifying capacitors for inverter circuits, motor drives and industrial power supplies where secure screw‑terminal connections, predictable electrical characteristics and RoHS compliance are required for volume production and long‑term operation.

Request a quote or submit an inquiry to receive pricing, availability and technical support for the LNU2G332MSEGBN.