LNU2W562MSEJ

The LNU2W562MSEJ is a screw‑terminal aluminum electrolytic capacitor engineered for industrial power applications. It is a polarized, high‑voltage DC capacitor in the Nichicon LNU series, designed for use in inverter circuitry, high‑frequency regenerative voltage and other industrial power supplies.

Key value propositions include high voltage capability (series rated up to DC525V, this part rated 450V), elevated temperature performance to 105°C, and a compact radial can package with screw terminals for robust mounting and high ripple current handling.

Key Features

• Capacitance & tolerance: 5.6 mF nominal with ±20% tolerance (120Hz, 20°C), providing substantial bulk energy storage for DC‑link and regenerative circuits.
• Rated voltage: 450 V DC (part level); LNU series rated up to DC525V, supporting high‑voltage industrial power designs.
• High operating temperature: Specified for −40°C to +105°C continuous operation, enabling use in demanding industrial environments.
• High ripple current capability: 19.6 A at 120 Hz and 27.44 A at 10 kHz, allowing reliable operation under high AC ripple and fast charge/discharge cycles.
• Long life under load: 5000 hours at 105°C with rated ripple current applied; capacitance, dissipation factor and leakage current meet the series endurance criteria after this test.
• Package & mounting: Radial can with screw terminals for secure, serviceable connections in power racks and switchgear assemblies.
• Reliability & safety: Leakage current specified as not more than 3√(C·V) μA or 5 mA (after 5 minutes at 20°C); insulation resistance >100 MΩ at DC 500V between terminal and bracket; AC 2500V dielectric proof between terminal and bracket for 1 minute.
• Charge/discharge endurance: Passed repetitive charge‑discharge testing (50 million cycles at ΔV = rated voltage ±0.3, 3 Hz) within the series performance criteria.
• RoHS compliant: Conforms to the RoHS directive (2011/65/EU, (EU)2015/863).
• Physical dimensions: Body dimensions L: 10.5 × D: 9 cm; height seated max 4.134 inch; supplied with separate bracket(s) as applicable.

Typical Applications

• Industrial inverters and motor drives: Bulk DC‑link and smoothing for inverter circuitry used in variable‑frequency drives and industrial power supplies.
• AC servomotor regenerative circuits: Energy storage and high‑frequency regenerative voltage absorption for servo drives where fast charge/discharge is required.
• High‑frequency switching power supplies: DC filtering and ripple suppression in high‑speed switching or regenerative topologies.
• General industrial power systems: Robust polarized capacitance for industrial controllers, power conditioning and energy buffer applications.

Unique Advantages

• High‑voltage capability: 450 V DC rating for this part (series up to 525 V) enables designs requiring elevated DC bus voltages without moving to larger families.
• Compact, screw‑terminal packaging: Radial can with screw terminals simplifies installation and serviceability while providing secure connections for high current paths.
• Designed for high ripple and fast cycles: Significant ripple current ratings at both low and high frequency (19.6 A at 120 Hz, 27.44 A at 10 kHz) suit aggressive switching and regenerative loads.
• Elevated temperature endurance: 5000‑hour load life at 105°C under rated ripple current gives predictable aging and reliability in hot industrial enclosures.
• Series‑level safety measures: Defined leakage current limits, insulation resistance and dielectric proof testing improve system safety margins in high‑voltage installations.
• RoHS compliance: Meets current RoHS requirements for environmental and regulatory alignment.

Why Choose LNU2W562MSEJ?

LNU2W562MSEJ delivers a balanced combination of high voltage, elevated temperature tolerance and high ripple current capability in a screw‑terminal radial package. It is well suited to engineers specifying DC‑link and regenerative energy storage components in industrial inverter, servo and high‑frequency power applications that require robust performance over extended life at 105°C.

This part is aimed at design and procurement teams building industrial power electronics who need verifiable endurance and electrical performance tied to clear series test criteria, including leakage, insulation, dielectric proof and long‑term load life evaluations.

Request a quote or submit an inquiry to receive pricing and availability for LNU2W562MSEJ and support for integrating this capacitor into your power system designs.