LLS2W271MELB

The LLS2W271MELB is a Nichicon LLS series aluminum electrolytic capacitor in a snap-in terminal (radial, can – snap-in) package. It provides 270 µF capacitance at a 450 V rated voltage and is specified for general-purpose use.

Designed for reliable operation in equipment that requires high-voltage bulk capacitance, the part is rated for operation from −25 °C to +85 °C and is characterized for endurance under rated ripple current for 3000 hours at 85 °C. Tray packing supports mass production handling.

Key Features

• Capacitance & Voltage — 270 µF nominal capacitance with a 450 V rated voltage for high-voltage bulk energy storage.
• Snap‑in Terminal Package — Radial, can-style snap-in termination for secure board mounting in assembly processes.
• 85 °C Endurance — Specified to withstand 3000 hours of rated ripple current at 85 °C, enabling sustained performance under rated conditions.
• Operating Temperature Range — Rated for −25 °C to +85 °C (specific to the 350–450 V range in the series).
• Ripple Current Ratings — Specified ripple current: 1.89 A at 120 Hz and 2.703 A at 50 kHz for managing AC stress in high-voltage circuits.
• Leakage Current Specification — Leakage current after 5 minutes at 20 °C: I ≤ 3√(C·V) µA (C in µF, V in V), providing a measurable limit for design verification.
• Polarized — Electrolytic, polarized capacitor requiring correct polarity in circuit implementations.
• Physical Size & Packing — Physical dimension approximately φ30 × 35 mm (L: 3.5 × D: 3 cm) with tray packing suitable for volume production.
• RoHS Compliant — Manufactured in compliance with RoHS directive requirements.
• Capacitance Tolerance — ±20% at 120 Hz, 20 °C for selection and tolerance budgeting.

Typical Applications

• General Purpose Electronics — Provides bulk capacitance and filtering where a 450 V, 270 µF polarized snap‑in capacitor is required in general-purpose circuits.
• High‑Voltage Power Modules — Suitable for applications that need high-voltage bulk capacitance with specified ripple handling and endurance at 85 °C.
• Production‑Oriented Designs — Tray packing and snap‑in mounting support automated assembly and mass-production workflows.

Unique Advantages

• High‑Voltage Capability: 450 V rating enables designs that require elevated DC voltage handling without resorting to stacked components.
• Proven Endurance: Rated to endure 3000 hours at 85 °C under rated ripple current, supporting predictable lifetime planning.
• Measured Ripple Performance: Published ripple current values at 120 Hz and 50 kHz allow direct comparison and thermal budgeting in power designs.
• Clear Leakage Specification: Leakage current limit defined as I ≤ 3√(C·V) µA for straightforward acceptance testing.
• Assembly‑Friendly Form Factor: Snap‑in radial can with tray packing simplifies through‑hole assembly and automated handling.
• Regulatory Compliance: RoHS compliance supports use in regions and projects requiring restricted‑substance adherence.

Why Choose LLS2W271MELB?

The LLS2W271MELB combines a high 450 V rating with 270 µF capacitance in a snap‑in radial package designed for general‑purpose, high‑voltage bulk capacitance roles. Its specified ripple current ratings and 3000‑hour endurance at 85 °C provide measurable performance characteristics for reliable design integration.

Manufactured by Nichicon and supplied in tray packing for mass production, this part is suited for engineers specifying high‑voltage electrolytic bulk capacitance where clear electrical limits, RoHS compliance, and assembly‑friendly packaging are required.

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