LNK2H392MSEJ

The LNK2H392MSEJ is a screw-terminal aluminum electrolytic capacitor from Nichicon's LNK series. It delivers a high 500 V rating combined with 3.9 mF (3900 µF) capacitance in a radial can with screw terminals, intended for general-purpose power applications.

Designed for applications that require high-voltage bulk capacitance and sustained ripple handling, this part provides defined lifetime and ripple-current performance at elevated temperature, along with RoHS compliance.

Key Features

• High voltage rating — 500 V Rated for high DC applications where elevated voltage handling is required.
• Large capacitance — 3.9 mF (3900 µF) Provides substantial bulk energy storage for smoothing and decoupling in power circuits.
• Screw terminal package Radial can with screw terminals enables secure, low-resistance connections for high-current and high-reliability assemblies.
• Load life — 5000 hours at 85°C Endurance specified for 5000 hours when D.C. bias plus rated ripple current is applied at 85°C, with post-test limits defined for capacitance, dissipation factor, and leakage.
• Ripple current capability Rated ripple currents of 14.4 A at 120 Hz and 20.16 A at 10 kHz support demanding AC ripple conditions.
• Operating temperature range Specified from −25°C to +85°C for stable operation across typical industrial temperature environments.
• Polarized electrolytic construction Standard polarized design for DC bulk storage and filtering applications.
• RoHS compliant Conforms to RoHS directive (2011/65/EU, (EU)2015/863) for regulated-substance control.
• Physical size Package dimensions: Length 12 cm × Diameter 9 cm; maximum seated height 4.724 inch.
• Capacitance tolerance ±20% at 120 Hz, 20°C.

Typical Applications

• General-purpose power systems — Bulk capacitance and smoothing in high-voltage DC systems where durable ripple handling and long-life endurance are required.
• Industrial power supplies — Energy storage and filtering for high-voltage supply rails in industrial equipment and power conversion modules.
• Inverters and motor drive support — DC link and smoothing applications where high voltage rating and robust ripple-current capability are needed.
• Energy buffering and decoupling — Local bulk storage to stabilize DC rails under varying load and ripple conditions.

Unique Advantages

• High-voltage, high-capacitance combination: 500 V rating with 3900 µF capacitance addresses applications requiring substantial energy storage at elevated voltages.
• Screw-terminal reliability: Mechanical screw terminals provide secure, low-resistance connections suitable for high-current installations and straightforward assembly.
• Defined ripple performance: Rated ripple currents at 120 Hz and 10 kHz enable designers to size capacitors for real-world AC ripple conditions.
• Proven endurance figure: 5000-hour load life at 85°C offers a known operational lifetime under rated ripple and bias conditions for planning maintenance and lifecycle expectations.
• Regulatory conformity: RoHS compliance supports use in regulated markets requiring restricted-substance adherence.
• Clear specification set: Leakage, impedance stability, insulation resistance, and voltage proof characteristics are defined for reliable electrical behavior and qualification.

Why Choose LNK2H392MSEJ?

The LNK2H392MSEJ is positioned for designs that need dependable high-voltage bulk capacitance with quantifiable ripple and lifetime characteristics. Its screw-terminal can package and robust ripple-current ratings make it suitable for industrial power systems and other general-purpose high-voltage applications where secure connections and long-term performance matter.

Backed by Nichicon's LNK series specifications, this capacitor offers designers a verifiable combination of capacitance, voltage, ripple handling and environmental compliance to help simplify component selection and lifecycle planning.

If you need pricing, availability, or a formal quotation for LNK2H392MSEJ, request a quote or contact our sales team with your project details and quantity requirements.