LAQ2P391MELZ45ZB

The LAQ2P391MELZ45ZB is an aluminum electrolytic capacitor from Nichicon's LAQ series featuring a snap-in terminal configuration and a rated capacitance of 390 µF at 220 V. It is specified for general-purpose applications that require bulk capacitance, high ripple handling, and elevated temperature endurance.

Key electrical characteristics include ±20% capacitance tolerance, low-frequency ripple current of 1.35 A at 120 Hz, high-frequency ripple current of 1.62 A at 10 kHz, and a maximum loss tangent (tanδ) of 0.20 at 20°C and 120 Hz. The part is supplied in a radial can, snap‑in package and is offered in tray packing for mass production.

Key Features

• Capacitance & Tolerance — 390 µF nominal with ±20% tolerance at 120 Hz, 20°C.
• Rated Voltage — 220 V DC rating suitable for higher-voltage general-purpose power designs.
• Ripple Current Performance — 1.35 A at 120 Hz (low frequency) and 1.62 A at 10 kHz (high frequency) to support AC ripple handling under D.C. bias.
• Loss and Leakage — tanδ (DF) 0.20 max. at 20°C, 120 Hz and leakage current rated at 870 µA for predictable dissipation and startup behavior.
• Temperature & Endurance — Operating range −25°C to +105°C with an endurance rating of 2000 hours at 105°C under rated conditions.
• Package & Mounting — Snap-in (radial can) terminal type, size φ22 × 45 mm (D × L), designed for secure board retention in high-volume assembly; tray packing tailored for mass production.
• Polarized — Polarized electrolytic construction for DC energy storage and smoothing.

Typical Applications

• General-purpose power filtering — Bulk energy storage and smoothing in designs that require a 220 V rated capacitor and significant capacitance.
• Power conversion and supplies — Handling of DC bias with rated ripple currents at both low and high frequencies for stabilized DC rails.
• Industrial and production assemblies — Snap-in radial packaging and tray packing support automated assembly and mass-production workflows.

Unique Advantages

• High-voltage capability: 220 V rating enables use in higher-voltage general-purpose power designs without upsizing footprint.
• Dual-frequency ripple handling: Specified ripple currents at 120 Hz and 10 kHz allow designers to assess performance across typical low- and high-frequency stress conditions.
• Thermal endurance: Rated for 2000 hours at 105°C, providing predictable aging characteristics under elevated-temperature operating profiles.
• Controlled dissipation: Maximum tanδ of 0.20 at 20°C/120 Hz helps ensure consistent loss behavior and thermal management planning.
• Production-ready packaging: Snap-in radial can and tray packaging streamline installation and support high-volume manufacturing.
• Compact footprint: φ22 × 45 mm size delivers 390 µF capacitance in a compact, board-friendly package.

Why Choose LAQ2P391MELZ45ZB?

The LAQ2P391MELZ45ZB positions itself as a reliable, general-purpose aluminum electrolytic capacitor for designs that require 220 V rating, substantial bulk capacitance, and robust ripple handling across low and high frequencies. Its 2000-hour endurance at 105°C and controlled loss characteristics make it suitable for applications where predictable aging and thermal performance are important.

This part is well suited to engineers and procurement teams specifying capacitors for high-voltage DC systems, power supply filtering, and mass-production assemblies that benefit from snap-in mounting and tray packaging.

Request a quote or contact sales to get pricing, availability, and lead-time information for LAQ2P391MELZ45ZB.