LGJ2E391MELC20

The LGJ2E391MELC20 is a snap-in terminal aluminum electrolytic capacitor in Nichicon’s LGJ series, featuring a low-profile φ35 × 20 mm radial can. It provides 390 µF capacitance at a 250 V rated voltage with ±20% tolerance for general purpose applications.

Designed for durability in elevated temperatures, this part supports an operating range of −40°C to +105°C, with a rated endurance of 3000 hours at 105°C. It offers specified ripple current handling and low leakage current suitable for board-level power modules and assemblies requiring a robust, compact electrolytic solution.

Key Features

• Electrical Performance 390 µF nominal capacitance at 250 V rated voltage with ±20% tolerance, providing stable bulk capacitance for general-purpose designs.
• Ripple Current Capability Rated ripple current of 1410 mA at low frequency (120 Hz) and 2115 mA at high frequency (50 kHz) for handling AC ripple within specified frequency ranges.
• Low Leakage Leakage current specified at 930 µA, measured after rated voltage application, supporting predictable standby and bias characteristics.
• Thermal and Endurance Operating temperature −40°C to +105°C with 3000 hours rated life at 105°C, enabling sustained performance in elevated-temperature environments.
• Package & Mounting Low-profile radial can, snap-in terminal type, physical size φ35 × 20 mm for compact, board-mounted power applications.

Typical Applications

• General Purpose For use in designs that require a 390 µF, 250 V snap-in aluminum electrolytic capacitor in a compact radial can.
• High-Temperature Assemblies Suitable where operation up to +105°C and 3000 hour endurance at 105°C are required.
• Board-Level Power Modules Intended for mounting where snap-in terminals and specified ripple current handling are needed for reliable operation.

Unique Advantages

• Robust voltage and capacitance combination 390 µF at 250 V provides substantial bulk capacitance for mid-voltage circuits while maintaining compact dimensions.
• High ripple handling Dual ripple current ratings (1410 mA at 120 Hz and 2115 mA at 50 kHz) allow designers to account for ripple across different operating frequencies.
• Predictable leakage performance Specified leakage current (930 µA) helps in designing stable bias and standby behaviors.
• Temperature endurance 3000 hours rated life at 105°C and a −40°C lower limit support use in thermally demanding environments.
• Compact, serviceable form factor φ35 × 20 mm snap-in radial can provides a low-profile option for constrained board real estate while enabling secure mechanical mounting.

Why Choose LGJ2E391MELC20?

The LGJ2E391MELC20 balances high-voltage capability and large capacitance in a low-profile snap-in package, making it suitable for general-purpose power assemblies that require durable performance at elevated temperatures. Its defined ripple current ratings and controlled leakage current provide predictable electrical behavior for engineering validation.

This part is well suited for engineers and procurement teams specifying a robust, compact aluminum electrolytic solution for designs where 250 V rating, 390 µF capacitance, and long-term endurance at 105°C are required. The clear datasheet parameters support reliable integration and long-term design planning.

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