LLS2W151MELA

The LLS2W151MELA is a snap‑in aluminum electrolytic capacitor from Nichicon’s LLS series, offering 150 µF capacitance at a 450 V rating in a radial, snap‑in can package. It is designed for general‑purpose power applications that require high voltage capability, substantial ripple handling and a compact snap‑in mounting form.

Key value propositions include a high rated voltage, specified ripple current performance at both low and high frequencies, and an endurance rating that supports extended operation at elevated temperatures.

Key Features

• High Voltage Rating — 450 V rated voltage suitable for high‑voltage power circuits and systems that require robust DC bus capacitance.
• Capacitance and Tolerance — 150 µF nominal with ±20% tolerance (measured at 120 Hz, 20°C), providing predictable bulk capacitance for energy storage and smoothing.
• Low Loss Characteristic — tan δ (DF) 0.2 measured at 20°C and 120 Hz, supporting stable performance in AC ripple environments.
• Ripple Current Performance — Low‑frequency ripple current of 1.25 A at 120 Hz and high‑frequency ripple current of 1.788 A at 50 kHz, enabling effective handling of both rectified and switching ripple.
• Endurance and Reliability — Rated endurance of 3000 hours at 85°C under rated ripple conditions, consistent with the LLS series specification for sustained performance.
• Temperature Range — Operates from −25°C to +85°C (series rated range for 350 to 450 V), suitable for many industrial and commercial environments.
• Low Leakage — Specified leakage current of 770 µA, enabling reliable DC performance after voltage application.
• Snap‑In Radial Package — φ25 × 30 mm can with snap‑in terminals for secure board retention and straightforward insertion in power assemblies; supplied in tray packing for production handling.
• Regulatory Compliance — RoHS compliant.

Typical Applications

• High‑Voltage Power Supplies — Bulk energy storage and DC bus support where a 450 V rating and strong ripple capability are required.
• Industrial Power Converters — Smoothing and ripple attenuation in converters and inverters that operate at elevated voltages and demand long endurance.
• General‑Purpose Power Electronics — Use in assemblies that require reliable high‑voltage capacitance in a compact snap‑in form for production assembly.

Unique Advantages

• 450 V Capability: Enables use in higher‑voltage circuits without series stacking or complex arrangements.
• Documented Ripple Endurance: Specified ripple current ratings and 3000 h endurance at 85°C provide verifiable performance for long‑running designs.
• Snap‑In Mounting: Radial snap‑in can simplifies mechanical retention and PCB assembly for high‑volume manufacturing.
• Measured Loss and Leakage: Specified tan δ and leakage current allow predictable thermal and DC behavior in power applications.
• RoHS Compliant: Supports regulatory requirements for environmental substance restrictions.
• Production Ready: Tray packing and mass production status support scalable procurement and assembly needs.

Why Choose LLS2W151MELA?

LLS2W151MELA combines a 450 V rating with 150 µF capacitance, high ripple current capability and a 3000‑hour endurance at 85°C, making it a practical choice for designers of high‑voltage power systems and general‑purpose power electronics. The snap‑in radial can provides robust mechanical retention and simplified PCB mounting for production environments.

Backed by Nichicon’s LLS series specifications, this part is suited to applications that require defined high‑voltage performance, measurable ripple handling and long‑term stability under rated conditions.

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