LNC2W123MTEJ

The LNC2W123MTEJ is a stud bolt mount aluminum electrolytic capacitor in Nichicon’s LNC series, designed for industrial power applications. It provides 12,000 µF capacitance at a 450 V rating in a radial screw-terminal can, optimized for high ripple handling and compact installation.

Suited for inverter circuitry and regenerative voltage circuits, the part is in mass production and delivers a combination of high-frequency performance and long load life for industrial power supplies and motor drive systems.

Key Features

• Capacitance & Tolerance: 12,000 µF nominal with a tolerance of −20% to +20% measured at 120 Hz, 20°C.
• Voltage Rating: 450 V DC rated voltage for high-voltage power applications.
• High Ripple Current: Low-frequency ripple current 38.2 A at 120 Hz and high-frequency ripple current 53.48 A at 100 kHz, enabling substantial AC loading capability.
• Endurance: Load life of 5,000 hours at 85°C when rated ripple is applied; designed to meet endurance characteristics defined in the series datasheet.
• Loss Characteristics: Tangent of loss angle (tan δ) of 0.2 measured at 20°C, 120 Hz.
• Leakage Current: Specification shown as 5,000 µA initial leakage current.
• Temperature Range: Operates from −40°C to +85°C, accommodating a broad range of industrial environments.
• Mechanical & Mounting: Stud bolt mount, radial can with screw terminals; physical size φ90 × 185 mm (L: 18.5 × D: 9 cm) for system-level planning.
• RoHS Compliant: Meets RoHS requirements as stated for the LNC series.

Typical Applications

• Industrial Inverters: Used in inverter power stages where high DC link capacitance and high ripple handling are required for motor drives and variable-frequency drives.
• Regenerative Drives: Applied in AC servomotor regenerative circuits to absorb and filter high-frequency regenerative voltage and charge-discharge loads.
• High-Frequency Power Supplies: Suitable for switch-mode power supplies and converters that require compact, high-capacitance bulk storage with strong high-frequency ripple performance.

Unique Advantages

• High AC Load Capability: Delivers 38.2 A at 120 Hz and 53.48 A at 100 kHz, supporting heavy ripple currents common in industrial power electronics.
• Designed for Long Service Life: 5,000 hours rated life at 85°C under rated ripple conditions provides predictable endurance for continuous industrial operation.
• Compact, High-Capacitance Form Factor: 12,000 µF in a φ90 × 185 mm can balances bulk energy storage with a stud mount footprint for secure mechanical installation.
• High-Frequency Performance: Specified tan δ and high-frequency ripple capability enable reliable filtering and smoothing in fast charge-discharge environments.
• Robust Operating Range: −40°C to +85°C operation covers typical industrial temperature extremes without derating the core specifications.
• Regulatory Compliance: RoHS compliance aligns with common environmental and procurement requirements.

Why Choose LNC2W123MTEJ?

LNC2W123MTEJ positions itself as a reliable, high-capacitance solution for industrial power electronics where high ripple currents, long endurance, and compact mounting are required. Its 450 V rating, substantial ripple-current specifications, and 5,000-hour life at 85°C make it suitable for inverter circuitry, regenerative drives, and high-frequency power supplies that demand sustained performance under load.

Engineers and procurement teams looking for a mass-production, stud-mount aluminum electrolytic capacitor with clearly specified electrical, thermal, and mechanical characteristics can leverage this part to streamline design choices and system-level reliability planning.

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