LGY1H392MELZ40

The LGY1H392MELZ40 is a Nichicon LGY series aluminum electrolytic capacitor in a snap-in terminal radial can. It provides 3.9 mF capacitance at a 50 V rated voltage and is polarized for DC applications.

Designed for industrial power electronics, this long-life unit is intended for applications where dependable performance and extended ripple-current endurance at elevated temperature are required, including ballast and general-purpose power supply uses.

Key Features

• Electrical Performance 3.9 mF capacitance with a rated voltage of 50 V and a tolerance of −20% to +20%.
• Ripple Current Endurance Rated ripple current of 1.9 A at 120 Hz and 2.185 A at 50 kHz for handling AC ripple in power circuits.
• High-Temperature Long Life Specified lifetime of 5000 hours at 105 °C under rated ripple conditions, supporting prolonged operation in hot environments.
• Mechanical and Mounting Snap-in terminal, radial can package (L: 4 × D: 2.2 cm) for secure PCB mounting and compact footprint; polarized construction for DC circuits.
• Operating Range and Compliance Operating temperature range −40 °C to 105 °C and RoHS compliant.

Typical Applications

• Industrial Power Supplies Used for bulk filtering and ripple handling where long-term reliability at elevated temperature is required.
• Ballast Applications Suited for ballast circuits that require stable capacitance and endurance under continuous ripple stress.
• General-Purpose Power Electronics Applicable to a wide range of general-purpose DC filtering and energy-storage needs in industrial electronics.

Unique Advantages

• Long-life assurance: Withstands 5000 hours of rated ripple current at 105 °C, supporting extended maintenance intervals and reliable field operation.
• High-temperature capability: Rated for operation from −40 °C to 105 °C to cover demanding thermal environments.
• Robust ripple handling: Specified ripple currents of 1.9 A (120 Hz) and 2.185 A (50 kHz) provide measurable performance for AC-stressed designs.
• Secure snap-in mounting: Radial, snap-in can design enables reliable board retention in power assemblies.
• Regulatory compliance: RoHS compliant for use in regulated markets.
• Compact form factor: Cylinder size L: 4 × D: 2.2 cm offers a balance of capacitance and PCB space efficiency.

Why Choose LGY1H392MELZ40?

The LGY1H392MELZ40 combines a high-capacitance 3.9 mF value with a 50 V rating and rated ripple-current performance to meet the needs of industrial power supply and ballast designs that demand reliable, long-term operation at elevated temperatures. Its 5000-hour endurance at 105 °C demonstrates suitability for applications where ripple stress and thermal loading are significant design considerations.

As part of Nichicon's LGY series, this snap-in radial can capacitor is aimed at engineers and procurement teams seeking a proven, RoHS-compliant component for general-purpose and industrial power electronics where durability and predictable electrical characteristics matter.

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