LNK2W392MSEH

The LNK2W392MSEH from Nichicon is a screw-terminal aluminum electrolytic capacitor in the LNK series, offering 3.9 mF (3900 µF) capacitance at a 450 V rating. Designed for smaller-sized radial can installations, it provides high ripple current capability and secure screw-terminal connections for general-purpose high-voltage applications.

Engineered for elevated-temperature endurance, the LNK2W392MSEH supports continuous operation across a wide temperature range and long load-life performance, making it suitable where reliable bulk energy storage and high ripple handling are required.

Key Features

• Rated Voltage – 450 V Provides high-voltage capability for circuits requiring 450 V nominal ratings.
• Capacitance – 3.9 mF (3900 µF) Large bulk capacitance with tolerance of -20% to +20% for energy storage and smoothing.
• High Ripple Current Rated ripple current: 14.2 A at 120 Hz and 19.88 A at 10 kHz, supporting demanding AC ripple conditions.
• Screw Terminal, Radial Can Package Robust screw-terminal mounting and radial can form factor for secure electrical and mechanical connections.
• Operating Temperature & Endurance Specified for -25 °C to +85 °C with a load-life rating of 5000 hours at 85 °C when subjected to rated ripple and DC bias.
• Leakage and Insulation Characteristics Leakage current after 5 minutes is limited to 3√(C·V) µA or 5 mA (whichever is smaller) at 20 °C; insulation resistance more than 100 MΩ at DC 500 V between terminal and bracket.
• Voltage Withstand Voltage proof test: no abnormality during AC 2500 V applied for 1 minute between terminal and bracket.
• RoHS Compliant Conforms to RoHS directive (2011/65/EU, (EU)2015/863).
• Physical Dimensions Size: L: 11.0 cm × D: 7.62 cm in a smaller-sized LNK series can (radial screw-terminals).

Typical Applications

• Industrial Power Supplies Bulk energy storage and smoothing in high-voltage power supplies benefiting from the 450 V rating and high capacitance.
• Inverters and Motor Drives DC-link and filtering use where high ripple current capability and screw-terminal mounting support rugged connections.
• UPS and Energy Hold‑Up High-voltage smoothing and hold-up in uninterruptible power systems requiring long endurance at elevated temperature.
• General-Purpose High-Voltage Circuits Applications that require a compact, high-capacitance, high-voltage electrolytic with secure screw-terminal installation.

Unique Advantages

• High ripple handling capacity: Measured ripple current ratings (14.2 A @120 Hz, 19.88 A @10 kHz) enable reliable performance under substantial AC stress.
• Screw-terminal robustness: Facilitates secure electrical and mechanical connections for field serviceability and heavy-current paths.
• Designed for elevated-temperature endurance: 5000 hours load life at 85 °C when operated with rated ripple and DC bias supports long-term reliability.
• Clear, verifiable electrical limits: Defined leakage current formula and insulation resistance requirement support predictable behavior in system design and testing.
• RoHS compliance: Meets environmental directives for lead-free applications.
• Compact LNK-series form factor: Smaller-sized radial can provides a balance of high capacitance and space-efficient packaging.

Why Choose LNK2W392MSEH?

The Nichicon LNK2W392MSEH combines a 450 V rating, 3.9 mF capacitance and high ripple-current capability in a screw-terminal radial can optimized for smaller LNK-series installations. Its defined leakage, insulation and voltage proof characteristics, together with a 5000-hour load-life at 85 °C, provide engineers with predictable electrical behavior and long-term endurance in high-voltage, high-stress environments.

This part is well suited for design teams and procurement seeking a robust, RoHS-compliant aluminum electrolytic solution for high-voltage bulk storage, DC-link filtering and other general-purpose high-voltage applications where secure terminal connections and verified endurance matter.

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