LNU2W103MSEJ

The LNU2W103MSEJ is a screw-terminal aluminum electrolytic capacitor designed for high-voltage industrial power applications. It provides 10,000 µF (10 mF) capacitance at a 450 V DC rating, packaged in a radial can with screw terminals for robust electrical and mechanical connections.

Built for inverter and regenerative systems, this part combines high voltage capability, a compact footprint (L: 16.5 × D: 9 cm), and a 105°C operating temperature rating to meet demanding power-supply and drive-system requirements.

Key Features

• High Capacitance and Voltage: 10,000 µF nominal capacitance at a 450 V rated voltage for energy storage and smoothing in high-voltage DC bus applications.
• Wide Operating Temperature Range: Rated for –40°C to +105°C to support industrial environments and elevated thermal stress.
• Screw Terminal Mounting: Radial can with screw terminals for secure, low-resistance connections suitable for high-current bus work.
• Long Load Life: Designed for a load life of 5000 hours at 105°C under applied ripple current, supporting sustained duty in power converters.
• High Ripple Current Capability: Rated ripple current of 27.3 A at 120 Hz and 38.22 A at 10 kHz for effective handling of low- and high-frequency ripple components.
• Polarized Electrolytic Construction: Polarized design optimized for DC bus applications in inverter and regenerative circuits.
• RoHS Compliant: Meets RoHS directive requirements for restricted substances.

Typical Applications

• Industrial Power Supplies: Energy storage and smoothing on DC buses for inverters and high-voltage power-supply stages.
• Inverter and Drive Systems: Bulk capacitance and ripple handling for general inverter modules and servo drive power sections.
• Regenerative AC Servomotors: Filtering and regenerative energy buffering in high-frequency regenerative voltage environments.

Unique Advantages

• High-voltage capability: 450 V DC rating provides ample margin for high-voltage DC bus designs in industrial equipment.
• Compact high-energy package: Large capacitance in a φ90 × 165-sized can with radial screw terminals enables dense power assemblies while retaining serviceable connections.
• Designed for sustained thermal stress: 5000 hours rated life at 105°C supports continuous operation in hot power-electronics enclosures.
• Strong ripple-current performance: Elevated ripple current ratings at both 120 Hz and 10 kHz reduce heating and improve reliability under mixed-frequency loading.
• Secure electrical termination: Screw terminals deliver reliable clamping for high-current, low-impedance connections in industrial installations.
• RoHS compliance: Meets environmental substance restrictions for modern industrial manufacturing requirements.

Why Choose LNU2W103MSEJ?

LNU2W103MSEJ is positioned for engineers specifying high-voltage bulk capacitance for inverter drives, regenerative servo systems, and industrial DC power supplies where long life, high ripple capability, and robust connections are required. Its 10,000 µF capacitance, 450 V rating, screw-terminal package, and 105°C endurance rating make it a practical choice for designs that must manage substantial energy and thermal stress over extended operating periods.

This capacitor is suited to development and production environments that prioritize reliable DC bus buffering, regenerative handling, and simplified installation using screw terminals—providing dependable performance and straightforward integration into industrial power systems.

Request a quote or submit an inquiry to get pricing and availability details for LNU2W103MSEJ and to discuss packaging or volume requirements.