LGY1C473MELC45

The LGY1C473MELC45 is an aluminum electrolytic capacitor from Nichicon’s LGY series, featuring a snap-in terminal package designed for high-reliability power applications. It delivers long-life performance with an endurance rating of 5000 hours at 105°C and is specified for use in industrial power supplies and ballast applications.

This polarized, radial can (snap-in) capacitor provides robust ripple handling and a wide operating temperature range, making it suitable where dependable bulk energy storage and smoothing are required under elevated temperature and ripple stress.

Key Features

• Type / Package Snap-in terminal, radial can package for secure board mounting and mechanical retention in through-hole power assemblies.
• Capacitance and Voltage Rated capacitance 47 mF with a rated voltage of 16 V and polarization as a polarized electrolytic.
• Reliability / Long Life Long life assurance: specified to withstand 5000 hours of DC bias plus rated ripple current at 105°C.
• Operating Temperature Wide ambient capability from −40°C to +105°C for use in demanding thermal environments.
• Ripple Current Capability Rated ripple current of 4.7 A at 120 Hz (low frequency) and 5.405 A at 50 kHz (high frequency), supporting high-ripple power circuits.
• Leakage Current Leakage current specified as I ≤ 3√CV (μA) after 5 minutes’ application of rated voltage at 20°C, per the series specification.
• Dimensional / Mounting Physical size L: 4.5 × D: 3.5 cm with a seated height specification provided for integration into enclosures and assemblies.
• RoHS Compliant Conforms to RoHS directives (2011/65/EU, (EU)2015/863).

Typical Applications

• Industrial Power Supplies Bulk energy storage and smoothing in industrial converters and supply rails where sustained ripple and elevated operating temperatures are common.
• Ballast Applications Designed for ballast use cases where long-term reliability and continuous ripple endurance at high temperature are required.
• General Purpose Power Filtering General-purpose bulk filtering and decoupling in power assemblies that require polarized electrolytic capacitance with high ripple capability.

Unique Advantages

• Guaranteed Long-Life Endurance: 5000 hours at 105°C under rated ripple conditions provides predictable life performance for long-term installations.
• High Ripple Handling: Specified ripple currents at both low (120 Hz) and high (50 kHz) frequencies enable use in a range of switching and line-frequency applications.
• Wide Temperature Range: −40°C to +105°C operating range supports deployment in thermally challenging industrial environments.
• Robust Mounting: Snap-in radial can package simplifies secure through-hole mounting in power assemblies, improving mechanical stability.
• Measured Leakage Specification: Leakage current defined by I ≤ 3√CV (μA) provides a measurable performance baseline for design validation.
• Regulatory Compliance: RoHS compliance supports environmental and regulatory requirements for commercial and industrial equipment.

Why Choose LGY1C473MELC45?

The LGY1C473MELC45 is positioned for engineers and procurement teams designing power systems that require dependable bulk capacitance with demonstrable long-life performance. Its 47 mF capacitance at 16 V, combined with specified ripple current ratings and 5000-hour endurance at 105°C, make it well suited for industrial power supplies and ballast applications where sustained thermal and electrical stress is expected.

Choose this part when you need a polarized, snap-in aluminum electrolytic with clear, verifiable specifications for ripple handling, leakage behavior, and temperature endurance, backed by Nichicon’s LGY series documentation and RoHS compliance.

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