LNC2W103MSEJBB

The LNC2W103MSEJBB is a screw-terminal aluminum electrolytic capacitor in Nichicon’s LNC series, offering 10,000 µF capacitance at a 450 V rated voltage. Engineered for industrial power electronics, it targets inverter circuitry and high-frequency regenerative applications where high ripple capability and long operational life are required.

This polarized, smaller-sized capacitor delivers high ripple current handling and a rated load life of 5000 hours at 85°C, while meeting RoHS environmental requirements. It is supplied in a radial can package with screw terminals for robust, high-current connections.

Key Features

• Capacitance & Voltage — 10,000 µF (10 mF) rated at 450 V, suitable for energy storage and smoothing in high-voltage power systems.
• Screw Terminal Mounting — Radial can with screw terminals provides secure, low-resistance connections for high-current applications and simplified field installation.
• High Ripple Current — Rated ripple current 34.1 A at 120 Hz and 47.74 A at 100 kHz, supporting heavy AC ripple and high-frequency charge/discharge cycles.
• Thermal & Lifetime Performance — Operating temperature range −40°C to +85°C with a load life of 5000 hours at 85°C under rated ripple conditions.
• Polarized Design — Standard polarized electrolytic capacitor construction for DC bulk energy and filtering duties.
• Leakage & Insulation Characteristics — Leakage current after 5 minutes is specified as not more than 3√(V) µA or 5 mA (at 20°C); insulation resistance >100 MΩ at DC 500 V between terminal and bracket.
• Durability & Endurance — Designed to withstand 50 million charge-discharge cycles (ΔV = rated voltage × 0.3, 3 Hz) with capacitance and loss-angle stability within specified limits.
• Mechanical & Size — Smaller-sized design within the LNC series; package case is radial can with screw terminals. Physical dimensions: L: 15.5 cm × D: 9 cm.
• Regulatory — Compliant with the RoHS directive.

Typical Applications

• Industrial Inverter Power Supplies — Bulk energy storage and smoothing for inverter DC buses, improving stability under high ripple currents.
• AC Servomotor Regeneration — Handles high-frequency regenerative voltages in servomotor drives and regenerative braking systems.
• High-Frequency Charge/Discharge Systems — Suited for circuits requiring rapid charge-discharge cycles thanks to its high ripple current capability and endurance.
• General Industrial Power Electronics — Filtering and energy buffering in industrial converters and power conditioning modules.

Unique Advantages

• High Ripple Handling — Specified ripple currents (34.1 A at 120 Hz, 47.74 A at 100 kHz) reduce thermal stress and support demanding power-electronic waveforms.
• Long Operational Life — 5000 hours at 85°C under rated ripple provides predictable service life for industrial deployments.
• Robust, Serviceable Connections — Screw terminal package enables reliable, low-resistance connections for high-current cables and easier maintenance or replacement.
• Designed for High-Frequency Regeneration — Series-level design emphasizes suitability for high-speed charge-discharge and regenerative voltage environments.
• Wide Ambient Range — −40°C to +85°C operating range accommodates a broad set of industrial environments.
• Environmental Compliance — RoHS-compliant construction supports regulatory requirements for end equipment.

Why Choose LNC2W103MSEJBB?

The LNC2W103MSEJBB combines high capacitance and 450 V rating with high ripple-current capability and a compact LNC-series footprint, making it a practical choice for inverter power supplies, regenerative drives, and other industrial power electronics. Its screw-terminal design and robust endurance characteristics are aimed at engineers who need reliable bulk energy storage with field-serviceable connections.

This part is appropriate for design teams focused on long-term reliability and predictable thermal performance in demanding high-frequency and high-ripple environments, while maintaining RoHS compliance.

Request a quote or contact sales to discuss availability, lead times, and application support for LNC2W103MSEJBB.