LNK2W332MSEG

The LNK2W332MSEG from Nichicon is a screw-terminal aluminum electrolytic capacitor in the LNK series, offering 3.3 mF capacitance at a 450 V rated voltage. It is a radial can with screw terminals designed for general-purpose power applications that require high-voltage bulk capacitance in a compact, serviceable package.

Key value comes from its combination of high capacitance and voltage rating, screw-terminal mounting for secure electrical connections, and a rated lifetime of 5000 hours at 85°C for robust performance in industrial and power-electronics environments.

Key Features

• Capacitance & Voltage: 3.3 mF (3300 μF) nominal capacitance with a 450 V rated voltage and ±20% tolerance, suitable for high-voltage energy storage and filtering.
• Package & Mounting: Radial can with screw terminals (can-type screw-terminal package) for secure, low-impedance connections; nominal terminal bolt size M5 for the φ63.5 case.
• Thermal & Lifetime: Rated for operation from −25°C to +85°C with an endurance rating of 5000 hours at 85°C under rated ripple and DC bias conditions.
• Ripple Handling: Specified ripple current of 12.1 A at 120 Hz and 16.94 A at 10 kHz, supporting demanding ripple environments in power systems.
• Electrical Loss & Leakage: Dissipation factor (tan δ) of 0.2 and a typical leakage current of 3650 μA, offering predictable loss and leakage characteristics for design calculations.
• Form Factor: Physical size φ63.5 × 115 mm (D × L) / L: 11.5 cm × D: 6.35 cm, providing a compact high-voltage solution for cabinet-mounted equipment.
• Compliance: RoHS compliant as supplied by Nichicon.

Typical Applications

• General-purpose power systems: Bulk energy storage and smoothing where 450 V rated voltage and high capacitance are required.
• Industrial power electronics: DC-link and filtering in industrial converters and power modules, leveraging high ripple current capability and screw-terminal connections.
• Uninterruptible power and backup supplies: Energy buffering and smoothing in high-voltage power supplies with long endurance requirements.

Unique Advantages

• High-voltage energy storage: 450 V rating combined with 3.3 mF capacitance enables substantial bulk storage in a single component, reducing board-level component count.
• Secure, serviceable connections: Screw-terminal mounting allows robust, low-resistance electrical connections and simplified installation or replacement in field service scenarios.
• Designed for continuous operation: Endurance rating of 5000 hours at 85°C provides predictable life in higher-temperature operating environments.
• Engineered ripple capability: Ripple current specifications at 120 Hz and 10 kHz support a range of switching and line-frequency power designs.
• Clear electrical characterization: Specified tan δ and leakage current values aid in thermal and leakage budgeting during design validation.
• Regulatory compliance: RoHS compliance simplifies selection for markets requiring restricted-substance conformity.

Why Choose LNK2W332MSEG?

The LNK2W332MSEG combines high capacitance and high-voltage capability in a compact screw-terminal aluminum can from Nichicon’s LNK series, making it well-suited for designers of power supplies, industrial converters, and backup power systems who need robust bulk capacitance with durable mechanical connections. Its specified ripple currents, defined dissipation factor, and rated lifetime at elevated temperature provide the predictable electrical and thermal behavior engineers rely on for system-level design.

This part is targeted at applications that demand reliable high-voltage smoothing and energy storage with serviceable mounting. For projects where long-term performance, clear specification data, and RoHS compliance are important, the LNK2W332MSEG offers a practical, verifiable choice from a known capacitor series.

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