LGX2H391MELC50

The LGX2H391MELC50 is an aluminum electrolytic capacitor from Nichicon's LGX series, featuring a snap‑in terminal, polarized radial can package designed for general power electronics. It delivers 390 µF at a 500 V rating and is built for long‑life operation under elevated temperatures.

Designed for rectifier circuits in general inverters and switching power supplies, this part combines high voltage capability with long endurance to support reliable smoothing and energy storage in demanding power applications.

Key Features

• Capacitance & Voltage — 390 µF nominal capacitance with a 500 V rated voltage for high‑voltage power applications.
• Long‑Life Endurance — Specified to withstand 5000 hours of rated ripple current at 105°C, supporting extended runtime in high‑temperature environments.
• Snap‑In Radial Can — Snap‑in terminal, radial can package for secure mounting in power assemblies and ease of installation.
• Operating Temperature Range — Rated for −25°C to +105°C to cover a wide range of operating conditions.
• Ripple Current Performance — Rated ripple current of 1.78 A at 120 Hz and 2.545 A at 50 kHz, suitable for smoothing and filtering in rectifier and converter circuits.
• Polarized, Standard Tolerance — Polarized capacitor with capacitance tolerance of −20% to +20% for predictable design margin.
• Regulatory Compliance — RoHS compliant (2011/65/EU, (EU)2015/863), meeting standard environmental requirements.

Typical Applications

• Inverter rectifier circuits — Used for smoothing and energy storage in rectifier stages of general inverters.
• Switching power supplies — Employed for bulk filtering and ripple suppression in SMPS topologies.
• General power electronics — Suitable for general‑purpose power filtering and decoupling where high voltage and long life are required.

Unique Advantages

• High‑voltage capability: 500 V rating enables use in higher DC bus and rectifier circuits without series stacking.
• Extended high‑temperature life: 5000 hours at 105°C under rated ripple current provides predictable endurance for thermal stress conditions.
• Robust ripple handling: Specified ripple currents at both low (120 Hz) and higher (50 kHz) frequencies support diverse converter and rectifier designs.
• Practical mounting: Snap‑in radial can simplifies PCB assembly for power modules and chassis‑mounted power supplies.
• Wide operating range: −25°C to +105°C rating accommodates a broad set of industrial and commercial environments.
• RoHS compliance: Meets common environmental directives for easier regulatory alignment.

Why Choose LGX2H391MELC50?

LGX2H391MELC50 is positioned for designers who need a durable, high‑voltage electrolytic capacitor with proven ripple handling and long life at elevated temperatures. Its combination of 390 µF capacitance, 500 V rating, and 5000‑hour endurance at 105°C makes it well suited to rectifier and filtering roles in inverter and switching power supply designs.

Built on Nichicon's LGX series specifications and delivered in a snap‑in radial can, this capacitor offers a practical balance of performance, reliability, and assembly convenience for power electronics and general-purpose power applications.

Request a quote or submit a procurement inquiry for LGX2H391MELC50 to confirm availability, pricing, and lead time for your design needs.