LLS2W221MELB

The LLS2W221MELB is a snap‑in terminal aluminum electrolytic capacitor from Nichicon's LLS series, rated at 450 V and 220 µF with ±20% tolerance. It is a general‑purpose, radial can (snap‑in) capacitor designed for applications that require high working voltage, robust ripple handling and extended endurance at elevated temperature.

Key performance highlights include a 3000‑hour endurance at 85°C, a specified tan δ of 0.20 (measured at 20°C, 120 Hz), defined leakage current, and both low‑ and high‑frequency ripple current ratings for demanding power environments.

Key Features

• Capacitance & Voltage — 220 µF nominal capacitance with a 450 V rated voltage and ±20% tolerance for high‑voltage DC applications.
• Snap‑In Package — Radial, can‑type snap‑in mounting for secure board retention; physical size φ30 × 30 mm (L: 3 × D: 3 cm) suitable for chassis or PCB assemblies.
• High Ripple Current Handling — 1.64 A at 120 Hz (low frequency) and 2.345 A at 50 kHz (high frequency) to support significant AC ripple conditions.
• Loss and Leakage — Tangent of loss angle (tan δ) 0.20 at 20°C/120 Hz and specified leakage current of 940 µA for predictable electrical behavior.
• Endurance — Rated for 3000 hours at 85°C under rated ripple/current stress when used within specified conditions.
• Operating Temperature — Specified operating range from −25°C to +85°C for the 350–450 V class within the LLS series.
• RoHS Compliant — Meets RoHS directive requirements for environmental compliance.
• Mass Production Availability — Product is in mass production and supplied in tray packing for volume assembly workflows.

Typical Applications

• General Purpose — Designed for general‑purpose use in electronic equipment that requires a 450 V, 220 µF snap‑in electrolytic capacitor.
• General Purpose — Suited where long endurance at elevated temperature (3000 h at 85°C) and defined ripple current capability are needed.
• General Purpose — Appropriate for assemblies needing a radial can snap‑in mounting and predictable electrical characteristics (tan δ, leakage) at 120 Hz.

Unique Advantages

• High working voltage support — 450 V rating enables use in higher‑voltage DC circuits without uprating components.
• Defined ripple performance — Separate low‑frequency (1.64 A @120 Hz) and high‑frequency (2.345 A @50 kHz) ripple current specifications simplify thermal and lifetime calculations.
• Long endurance at elevated temperature — 3000 hours at 85°C provides a quantifiable reliability baseline for design validation.
• Predictable dissipation and leakage — tan δ = 0.20 (20°C, 120 Hz) and listed leakage current (940 µA) help ensure consistent AC loss and standby behavior.
• Robust mechanical retention — Snap‑in radial can package offers secure mounting for assemblies requiring durable board retention.
• Regulatory compliance — RoHS‑compliant construction supports environmental and regulatory requirements.

Why Choose LLS2W221MELB?

The LLS2W221MELB positions itself as a reliable, high‑voltage aluminum electrolytic solution within Nichicon's LLS series, offering a clear set of electrical and mechanical specifications for designers. Its combination of 450 V rating, 220 µF capacitance, defined ripple current performance, and a 3000‑hour endurance at 85°C makes it well suited to general‑purpose power and electronic assemblies that require predictable behavior under steady thermal and electrical stress.

With tray packing and mass production availability, the LLS2W221MELB supports volume manufacturing and repeatable procurement planning while meeting RoHS requirements for environmentally conscious designs.

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