LNU2W103MTEJ

The LNU2W103MTEJ from Nichicon is a screw‑terminal aluminum electrolytic capacitor rated 10,000 µF at 450 V DC. Designed for stud/bolt mounting with a radial can and screw terminals, it targets industrial power electronics where high‑voltage, high‑ripple performance is required.

It is suited for inverter circuitry, high‑frequency regenerative voltage in AC servomotors and general inverters, and applications that demand high‑speed charge/discharge handling. The unit is RoHS compliant and built for continuous operation up to 105°C.

Key Features

• Electrical Capacity — 10,000 µF capacitance with ±20% tolerance (120 Hz, 20°C), polarized construction for DC energy storage.
• High Voltage Rating — Rated at 450 V DC; the LNU series supports rated voltages up to DC 525 V.
• High Ripple‑Current Capability — Rated ripple current of 27.3 A at 120 Hz and 38.22 A at 10 kHz to support inverter and regenerative loads.
• Thermal and Endurance Performance — Operating temperature range −40°C to +105°C with a load life of 5000 hours at 105°C under rated ripple conditions.
• Robust Mechanical Package — Screw‑terminal, stud/bolt mount radial can (φ90 × 165L) for secure connections in industrial assemblies.
• Reliability and Safety — Leakage current limits and endurance specifications per series datasheet; insulation resistance and voltage‑proof characteristics are specified for series products.

Typical Applications

• Industrial Power Supplies (Inverter Circuits) — Energy storage and smoothing for inverter front ends and DC bus stabilization under high voltage.
• AC Servomotor Regenerative Circuits — Handling high‑frequency regenerative voltages and repeated charge/discharge cycles in motor drive systems.
• General Inverters and Motor Drives — Bulk capacitance for DC link and intermediate circuit applications where high ripple current and temperature endurance are required.
• High‑Speed Charge/Discharge Applications — Suitable for applications that need rapid transient energy delivery and recovery at elevated voltages.

Unique Advantages

• High‑Voltage Capability: Rated 450 V (series up to 525 V), enabling DC link use in higher‑voltage inverter and industrial power systems.
• Designed for High Ripple Loads: Specified ripple currents at 120 Hz and 10 kHz support both low‑ and high‑frequency switching environments.
• Compact High‑Voltage Form Factor: LNU series is described as smaller‑sized for high voltage compared with prior designs, aiding space‑constrained installations.
• Long High‑Temperature Life: 5000 hours at 105°C under rated ripple ensures stable performance in hot industrial environments.
• Secure Mechanical Connections: Screw terminals and stud/bolt mounting provide reliable electrical and mechanical fastening for heavy current and vibration environments.
• RoHS Compliant: Conforms to RoHS directive (2011/65/EU, (EU)2015/863), supporting regulatory requirements for lead‑restricted products.

Why Choose LNU2W103MTEJ?

LNU2W103MTEJ positions itself as a practical choice for engineers specifying high‑voltage DC link capacitance in industrial power electronics. Its combination of 10,000 µF capacitance, 450 V rating, defined ripple‑current capability at both low and high switching frequencies, and 5000‑hour life at 105°C makes it suitable for inverter, motor drive, and regenerative applications where durability and thermal endurance matter.

Choose this Nichicon screw‑terminal capacitor when you need robust bulk energy storage with secure mounting and proven series-level specifications for high‑temperature and high‑frequency operation.

Request a quote or contact sales to discuss availability, volume pricing, and lead times for LNU2W103MTEJ.