LLS2V391MELC

The LLS2V391MELC is a snap-in terminal aluminum electrolytic capacitor from Nichicon’s LLS series. It provides 390 µF capacitance at a 350 V rating in a compact radial can (φ35 × 30 mm) designed for general-purpose power applications.

Engineered for robust operation, this part delivers defined electrical performance including a 0.15 tanδ at 20°C/120 Hz, controlled leakage, and rated ripple current capability, with a specified endurance of 3000 hours at 85°C.

Key Features

• Capacitance and Voltage — 390 µF nominal capacitance with a 350 V rated voltage and ±20% tolerance at 120 Hz, 20°C.
• Snap-in Radial Can Package — Snap-in terminal type in a radial can package (φ35 × 30 mm) for secure board mounting and mechanical stability.
• Ripple Current Capability — Rated ripple current of 2.3 A at 120 Hz and 3.289 A at 50 kHz to support AC stress in power circuits.
• Low Loss and Leakage — Tangent of loss angle (tan δ) of 0.15 (20°C, 120 Hz) and specified leakage current of 1100 µA.
• Thermal and Endurance Specification — Operating temperature range from −25°C to 85°C with endurance rated at 3000 hours at 85°C under applied ripple and DC bias.
• Regulatory Compliance — RoHS compliant.
• Packaging and Availability — Tray packing; listed as mass production status.

Typical Applications

• General-purpose power systems — Designed for use where a high-voltage snap-in aluminum electrolytic is required for smoothing and energy storage in general-purpose equipment.
• Industrial equipment — Suitable for industrial power assemblies that require defined endurance at elevated temperature (3000 h at 85°C).
• Commercial electronics — Applicable in commercial power modules and assemblies that need a 350 V, 390 µF polarized capacitor in a snap-in package.

Unique Advantages

• High-voltage capability: 350 V rating supports designs requiring elevated DC bus voltages without additional series stacking.
• Defined ripple performance: Rated ripple currents of 2.3 A (120 Hz) and 3.289 A (50 kHz) provide predictable AC handling for power conversion circuits.
• Long endurance at elevated temperature: 3000 hours at 85°C demonstrates sustained performance under typical high-temperature operating conditions.
• Low loss characteristic: tan δ = 0.15 at 20°C/120 Hz helps maintain efficiency and predictable impedance behavior.
• Compact snap-in form factor: φ35 × 30 mm radial can with snap-in terminals enables secure board mounting and space-efficient integration.
• RoHS compliant: Conforms to RoHS directive for regulatory compatibility in production environments.

Why Choose LLS2V391MELC?

LLS2V391MELC positions itself as a reliable, high-voltage snap-in aluminum electrolytic solution for designers needing a 390 µF, 350 V polarized capacitor with defined ripple and endurance specifications. Its combination of rated ripple current, low loss (tan δ), and 3000-hour endurance at 85°C makes it suitable for general-purpose power assemblies and industrial applications where predictable long-term performance is required.

This part is well suited for engineers and procurement teams seeking a mass-production-ready, RoHS-compliant snap-in capacitor in a compact radial can, with clear electrical and thermal limits specified for straightforward system integration.

Request a quote or contact sales to discuss pricing, lead times, and ordering for the LLS2V391MELC.