LNX2V123MSEJBN

The LNX2V123MSEJBN is a screw-terminal aluminum electrolytic capacitor in Nichicon’s LNX series, specified for high-ripple, extra-high-voltage applications. It is a polarized, radial can capacitor designed for industrial power electronics where robust DC link and filtering performance are required.

Key value propositions include a 12,000 µF capacitance at 350 V, high rated ripple-current capability, and a long operational life rating under rated ripple current at +85°C, making it suited for inverter circuitry and industrial power supplies.

Key Features

• Capacitance & Voltage: 12,000 µF nominal capacitance with a rated voltage of 350 V, suitable for high-voltage DC bus and bulk energy storage applications.
• Ripple Current Performance: High ripple capability with 24.8 A at 120 Hz and 34.72 A at 100 kHz, enabling effective smoothing under heavy AC ripple loads.
• Long Life & Endurance: Specified for 20,000 hours of operation at +85°C when operated at the rated ripple current; endurance and shelf-life characteristics are provided by the LNX series datasheet.
• Temperature Range: Operating range from −25°C to +85°C as specified for the part.
• Electrical Characteristics: Capacitance tolerance ±20% (measured at 120 Hz, 20°C); leakage current specification follows the series guideline of not more than 3√(C·V) µA or 5 mA after 5 minutes at 20°C.
• Package & Mounting: Radial can with screw terminals for secure, low-impedance high-current connections; mounting intended for screw-terminal installations.
• Mechanical Size: Physical dimensions include L: 15 × D: 9 cm and a seated height up to 5.906 inches as provided for the part.
• Safety & Materials Options: Flame-retardant electrolyte type is available in the LNX series; the product is RoHS compliant (2011/65/EU, (EU)2015/863).

Typical Applications

• Industrial Power Supplies: Bulk filtering and DC-link decoupling in industrial power supplies where sustained ripple handling and long life are required.
• Inverter Circuits: Energy smoothing and DC bus conditioning for inverter modules and motor-drive power stages.
• High-Voltage Power Conditioning: Bulk energy storage and ripple suppression in extra-high-voltage applications up to the part’s 350 V rating.

Unique Advantages

• High-Ripple Capability: Designed to tolerate substantial ripple currents (24.8 A at 120 Hz, 34.72 A at 100 kHz), reducing thermal stress in high-power designs.
• Extended Operational Life: Rated for 20,000 hours at +85°C under rated ripple current, supporting long maintenance intervals in industrial systems.
• Screw-Terminal Robustness: Screw terminals provide reliable, low-impedance connections for high-current paths and simplify wiring for serviceability.
• Clear Electrical Limits: Leakage current and capacitance tolerance are specified per the LNX series datasheet, enabling predictable design margins.
• Compliance and Safety Options: RoHS compliance and availability of flame-retardant electrolyte types address regulatory and safety considerations in industrial environments.

Why Choose LNX2V123MSEJBN?

The LNX2V123MSEJBN combines high capacitance and a 350 V rating with strong ripple-current capability and a long rated life at elevated temperature, making it a practical choice for industrial power conversion and inverter designs that demand durable DC-link components. Its screw-terminal radial can construction supports secure high-current connections and straightforward mechanical integration.

This part is well suited for engineers specifying bulk DC energy storage and filtering where verifiable endurance, explicit leakage and tolerance limits, and RoHS compliance are required. The LNX series datasheet provides additional series-level details to support system-level qualification and thermal/ripple budgeting.

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