LAQ2P221MELB20

The LAQ2P221MELB20 is a snap-in terminal aluminum electrolytic capacitor from Nichicon's LAQ series. It provides 220 µF capacitance at a 220 V rating in a compact radial, can-style snap-in package for general-purpose power designs.

Designed for elevated-temperature operation, this smaller-sized LAQ series part offers a wide operating range and endurance characteristics intended for applications that require reliable DC-side energy storage and ripple handling up to 105 °C.

Key Features

• Capacitance & Voltage — 220 µF nominal capacitance with a rated voltage of 220 V and capacitance tolerance of ±20%.
• Package & Mounting — Radial can with snap-in terminals for secure, through-board mounting; size listed as L: 2 × D: 3 cm.
• Temperature Range — Rated for operation from −25 °C to +105 °C with permissible abnormal voltage at 105 °C.
• Endurance — Specified lifetime of 2000 hours at 105 °C when subjected to DC bias plus rated ripple current, with post-test limits on capacitance, tan δ and leakage current.
• Ripple Current Capability — 900 mA at 120 Hz and 1.08 A at 10 kHz, suitable for applications with significant AC ripple on the DC bus.
• Leakage Current — Defined by the series specification: I ≤ 3√C √(μA) after 5 minutes' application of rated voltage at 20 °C (C: rated capacitance in μF).
• Polarized — Polar capacitor intended for DC applications.
• Safety Performance — Built with a pressure relief vent designed to operate under abnormal conditions to avoid flames, ignition, or dispersion of parts.

Typical Applications

• General-purpose power circuits — Use where a 220 V, 220 µF snap-in electrolytic capacitor is required for DC-side bulk capacitance and energy storage in general-purpose designs.
• Power supply filtering — Suitable for smoothing and ripple management in power conversion stages subject to rated ripple currents.
• Industrial and electronic equipment — Applicable to assemblies that require a compact, high-temperature-capable electrolytic capacitor for general-purpose use.

Unique Advantages

• Compact snap-in form factor: Radial snap-in can simplifies board mounting and mechanical retention for through-board assemblies.
• High-temperature endurance: 2000 hours at 105 °C under rated conditions supports designs that require sustained elevated-temperature performance.
• Rated for mid-voltage DC: 220 V rating accommodates common mid-voltage DC bus requirements without stepping up component count.
• Defined ripple handling: Ripple current specifications at 120 Hz and 10 kHz allow engineers to size the capacitor to expected AC stress levels.
• Safety-minded construction: Pressure relief venting reduces the risk of hazardous failures under abnormal voltage or stress conditions.

Why Choose LAQ2P221MELB20?

LAQ2P221MELB20 is positioned for engineers seeking a compact, snap-in aluminum electrolytic capacitor with a 220 µF / 220 V rating and verified high-temperature endurance. Its combination of rated voltage, ripple capability, and 105 °C endurance makes it suitable for general-purpose power circuitry where reliable DC capacitance and thermal robustness are required.

This part is a practical choice for designs that prioritize straightforward through-hole mounting, predictable leakage and endurance behavior, and documented safety features from the Nichicon LAQ series.

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