LAK2G820MELB20ZB

The LAK2G820MELB20ZB is an aluminum electrolytic capacitor in a snap-in, radial can package designed for 400 V applications. It delivers 82 µF capacitance with ±20% tolerance and is specified for continuous operation up to 105°C.

Built for general-purpose power applications and equipment exposed to fluctuating voltages, this Nichicon LAK series part combines high-voltage capability, extended endurance and safety features for reliable performance in demanding environments.

Key Features

• Rated Capacitance and Voltage — 82 µF at 400 V for bulk energy storage and high-voltage smoothing in general-purpose power circuits.
• High-Temperature Endurance — Specified 2000 hours life at 105°C with rated ripple current applied; designed for sustained elevated-temperature operation.
• Snap-in Radial Can Package — φ30 × 20 mm can with snap-in terminals for secure mounting in power assemblies.
• Ripple Current Performance — 500 mA at 120 Hz and 575 mA at 10 kHz to support both low- and higher-frequency ripple loads.
• Electrical Loss and Leakage — Maximum tanδ of 0.20 (120 Hz, 20°C) and specified leakage current of 540 µA, supporting stable filtering performance.
• Safety and Voltage Robustness — Improved safety features and a pressure relief vent designed to operate without dangerous conditions under abnormal voltage; suitable for voltage-fluctuating areas.
• Operating Range and Compliance — Rated for −25°C to +105°C and RoHS compliant for regulatory alignment.

Typical Applications

• Power Supplies — Bulk smoothing and filtering in high-voltage power-supply sections where 400 V rated capacitance is required.
• Industrial Equipment — General-purpose use in equipment operating in areas with fluctuating voltages, leveraging the part’s safety features and high-temperature endurance.
• Power Conversion Modules — Snap-in mounting and robust ripple-current ratings suit assemblies that require secure mechanical retention and reliable ripple handling.

Unique Advantages

• High-Voltage Capability: 400 V rating supports higher-voltage designs without series stacking.
• Long Endurance at Elevated Temperature: 2000 hours life at 105°C under rated ripple current improves long-term reliability in hot environments.
• Dual-Frequency Ripple Handling: Specified ripple currents at 120 Hz and 10 kHz accommodate a range of power-system ripple profiles.
• Snap-in Package for Secure Assembly: Radial, snap-in can (φ30 × 20 mm) simplifies board integration and mechanical retention in power racks and modules.
• Safety-Minded Design: Pressure relief vent and improved safety features for abnormal voltage conditions reduce risk in voltage-fluctuating applications.
• Regulatory Compliance: RoHS compliant to meet environmental substance requirements.

Why Choose LAK2G820MELB20ZB?

The LAK2G820MELB20ZB balances high-voltage performance, thermal endurance and safety features in a compact snap-in aluminum electrolytic package. It is well suited to designers needing a 400 V, 82 µF capacitor that can withstand elevated temperatures and continuous ripple loading for extended periods.

Manufactured by Nichicon and built on the LAK series platform, this part is targeted at general-purpose power and industrial equipment where voltage fluctuation resilience, reliable ripple handling and RoHS compliance are important design criteria.

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