LGX2G471MELB45

The LGX2G471MELB45 is a snap‑in terminal aluminum electrolytic capacitor from Nichicon's LGX series, offering 470 µF capacitance at a 400 V rating. It is designed for long‑life operation in power electronics, providing endurance under rated ripple current at elevated temperature.

Targeted at power conversion applications, this capacitor is suited for rectifier circuits in general inverters and switching power supplies, delivering reliable smoothing and ripple handling in demanding operating conditions.

Key Features

• Capacitance & Voltage — 470 µF capacitance rated at 400 V for high‑voltage DC bus and rectifier applications.
• Long‑Life Endurance — Designed to withstand 5000 hours of rated ripple current at 105°C, maintaining capacitance, tan δ and leakage within the specified limits after endurance testing.
• High Ripple Capability — Rated ripple currents of 1.81 A at 120 Hz and 2.588 A at 50 kHz support AC ripple handling in switching environments.
• Wide Operating Temperature — Operational range from −25°C to +105°C for thermal robustness in elevated ambient conditions.
• Snap‑In Package — Radial can with snap‑in terminals for secure board mounting and mechanical stability in power assemblies.
• Compact Footprint — Dimension L: 4.5 × D: 3 cm provides a smaller‑sized solution within the LGX series for space‑constrained designs.
• RoHS Compliant — Conforms to RoHS directive (2011/65/EU, (EU)2015/863).

Typical Applications

• General Inverters — Used in rectifier circuits to smooth DC bus voltage and handle ripple current in inverter front ends.
• Switching Power Supplies — Provides bulk energy storage and ripple suppression where reliable high‑voltage capacitors are required.
• General Purpose Power Electronics — Suitable for a variety of power conversion and filtering roles in industrial and commercial equipment.

Unique Advantages

• Proven high‑temperature endurance: 5000 hours at 105°C under rated ripple current supports long service life in hot operating environments.
• High‑voltage capability: 400 V rating enables use on higher DC rails without additional series components.
• Measured ripple performance: Specified ripple currents at both 120 Hz and 50 kHz allow designers to size capacitors against known ripple loads.
• Secure snap‑in mounting: Snap‑in terminals simplify PCB assembly and provide robust mechanical retention in power modules.
• Space‑aware form factor: Compact L × D dimensions offer a smaller‑sized option within the LGX family for tighter layouts.
• Regulatory compliance: RoHS compliance supports environmental and regulatory requirements for commercial products.

Why Choose LGX2G471MELB45?

The LGX2G471MELB45 combines a 400 V rating and 470 µF capacitance with long‑life endurance at 105°C, making it a practical choice for power designers who need stable bulk capacitance and reliable ripple performance in inverters and switching power supplies. Its snap‑in package and compact footprint simplify integration into PCB power assemblies.

As part of Nichicon's LGX series, this capacitor offers a focused balance of voltage handling, ripple endurance and temperature capability for engineers designing industrial and commercial power systems that require durable, RoHS‑compliant components.

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