LGUW6221MELZ

The LGUW6221MELZ is a Nichicon LGU-series aluminum electrolytic capacitor in a snap-in terminal can, rated 420 V and 220 µF with ±20% tolerance. It is designed for general-purpose power applications that require high-voltage capability, high-temperature endurance and robust ripple handling.

With a 105°C endurance rating and 3000 hours of life at rated conditions, this snap-in radial can is suited for board-level power filtering and energy storage in industrial and commercial equipment where long-term stability and reliable mounting are important.

Key Features

• Rated Voltage and Capacitance — 420 V rated voltage with 220 µF capacitance and ±20% tolerance, specified at 120 Hz, 20°C.
• High-Temperature Endurance — Specified for operation up to 105°C and guaranteed for 3000 hours under rated ripple and DC bias conditions per the LGU series endurance criteria.
• Snap-in Radial Can Package — Secure snap-in terminals for board-mounted applications; package dimensions φ22 × 50 mm provide a compact, serviceable form factor.
• Ripple Current Capability — Low-frequency ripple current of 1.1 A at 120 Hz and high-frequency ripple handling of 1.573 A (specified), supporting demanding AC ripple environments.
• Leakage Current — Initial leakage current specified at 910 µA after rated voltage application at 20°C.
• Polarized Electrolytic Design — Standard polarized construction for DC filtering and energy storage in power circuits.
• RoHS Compliant — Manufactured in compliance with RoHS directive requirements.

Typical Applications

• Power Supplies — Bulk filtering and smoothing in high-voltage AC/DC and DC/DC converter stages for industrial and commercial equipment.
• Industrial Power Electronics — Energy storage and ripple suppression in motor drives, inverters and high-voltage control modules.
• Energy Conditioning — DC link and reservoir capacitor duties where high voltage rating and sustained ripple endurance are required.

Unique Advantages

• High-Voltage Capability: 420 V rating enables use in higher-voltage sections of power systems without series arrangements.
• Proven Endurance: 3000-hour life at 105°C under rated ripple current provides predictable long-term performance for thermal and electrical stress.
• Robust Ripple Handling: Specified ripple currents at both low and high frequencies support diverse switching and line-frequency environments.
• Secure Board Mounting: Snap-in terminal can design offers reliable mechanical retention for panel and board assemblies.
• Compact Footprint: φ22 × 50 mm can size balances capacitance and volume for space-constrained power designs.
• Regulatory Compliance: RoHS compliance supports environmental and regulatory requirements for commercial and industrial products.

Why Choose LGUW6221MELZ?

The LGUW6221MELZ combines high-voltage capability, substantial capacitance and long-term thermal endurance in a snap-in radial can well suited to general-purpose power electronics. Its specified ripple current ratings and leakage current provide clear, engineer-friendly parameters for reliable filtering and energy-storage designs.

This part is appropriate for designers and procurement teams specifying capacitors for industrial and commercial power supplies, DC link stages and other high-voltage applications that require predictable performance over extended high-temperature operation. Support from the LGU series datasheet ensures measurable endurance and stability characteristics for production designs.

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