LNX2V392MSEGBB

The LNX2V392MSEGBB is a screw-terminal aluminum electrolytic capacitor from Nichicon's LNX series, engineered for high-voltage, high-ripple applications. With a 3.9 mF capacitance at a 350 V rating and polarized screw-terminal construction, it is designed for robust power system integration.

This part targets industrial power electronics and general-purpose power supply applications where sustained ripple handling and long operational life are required. Key value propositions include high ripple-current capability, an extended 20,000-hour life at +85°C, and RoHS compliance.

Key Features

• Capacitance & Voltage — 3.9 mF rated capacitance at 350 V, with tolerance ±20% (120 Hz, 20°C).
• High Ripple Current — Rated ripple current of 10.4 A at 120 Hz (low frequency) and 14.56 A at 100 kHz (high frequency) to support heavy AC ripple loads.
• Long Endurance — Endurance specified as 20,000 hours at +85°C when exposed to rated ripple current, supporting long-term reliable service in continuous-duty systems.
• Loss and Leakage — Tangent of loss angle (tan δ) 0.2 (measured at 120 Hz, 20°C) and leakage current specified at 3,500 µA, enabling predictable ESR and leakage behavior for design margining.
• Screw-Terminal Package — Radial can with screw terminals provides secure, low-resistance external connections suited to industrial assemblies.
• Operational Temperature & Low-Temp Stability — Operating range from −25°C to +85°C; impedance ratio Z(−25°C)/Z(+20°C) up to 8 as specified for low-temperature performance.
• Compliance & Packaging — RoHS compliant; delivered in cardboard packing and intended for mass production deployment.

Typical Applications

• Industrial Power Supplies — Suited for inverter circuitry and industrial supply designs that require high-voltage bulk capacitance and sustained ripple handling.
• High-Voltage Power Conversion — 350 V rating and high ripple-current capability make this capacitor suitable for high-voltage smoothing and decoupling in power conversion modules.
• General-Purpose Power Systems — Use where polarized, high-capacitance components are needed for energy storage, filtering, or smoothing in robust assemblies.

Unique Advantages

• High ripple tolerance: Dual-specified ripple currents at low and high frequency allow designers to accommodate broad ripple spectra without overspecifying multiple parts.
• Extended operational life: 20,000-hour endurance at +85°C supports long maintenance intervals and predictable lifetime budgeting in continuous-duty applications.
• Screw-terminal reliability: Robust terminal mounting simplifies secure connections in power racks and industrial enclosures, improving mechanical and electrical durability.
• Definitive electrical parameters: Specified tan δ and leakage current values provide clear inputs for thermal and leakage budgeting in high-voltage designs.
• RoHS-compliant, production-ready packaging: Cardboard packing and mass-production status streamline procurement and assembly workflows for volume designs.

Why Choose LNX2V392MSEGBB?

The LNX2V392MSEGBB balances high-voltage capability (350 V) with substantial capacitance (3.9 mF) and significant ripple-current ratings to meet the demands of industrial power electronics and general-purpose power systems. Its screw-terminal construction and defined endurance characteristics make it suitable for engineers specifying reliable bulk storage and smoothing capacitors with predictable lifetime behavior.

This part is appropriate for design teams focused on durability and maintainability in high-ripple, high-voltage environments. The clear electrical specifications, RoHS compliance, and mass-production packaging support straightforward integration into production designs and supply-chain planning.

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