LLS2C821MELZ

The LLS2C821MELZ is a Nichicon LLS series snap‑in aluminum electrolytic capacitor offering 820 µF capacitance at a 160 V rating. It is a polarized, radial can snap‑in terminal type designed for general‑purpose power applications that require high capacitance, robust ripple handling and a compact φ22 × 40 mm footprint.

Engineered for durability, this part withstands continuous rated ripple current and meets an endurance specification of 3000 hours at 85°C, making it suitable for production assemblies where long operational life and reliable performance matter.

Key Features

• Electrical Capacity — 820 µF capacitance with ±20% tolerance measured at 120 Hz, 20°C, providing substantial energy storage for DC bus stabilization and smoothing.
• Voltage Rating — 160 V rated voltage suitable for higher‑voltage power systems that require electrolytic bulk capacitance.
• Ripple Current Performance — Low frequency ripple current 2.68 A (120 Hz) and high frequency ripple current 4.02 A (50 kHz), enabling effective handling of both mains‑frequency and high‑frequency ripple components.
• Loss & Leakage — tan δ (DF) 0.15 at 20°C, 120 Hz and a measured leakage current of 1080 µA, providing defined dissipation and leakage characteristics for predictable circuit behavior.
• Reliability & Endurance — Specified endurance of 3000 hours at 85°C with rated ripple and DC bias; capacitance and leakage remain within defined limits after endurance testing.
• Package & Mounting — Radial, snap‑in can (φ22 × 40 mm) for secure board mounting and straightforward assembly in tray packing for mass production.
• Operating Range & Compliance — Rated for –40°C to +85°C operation and compliant with RoHS (2011/65/EU, (EU)2015/863).

Typical Applications

• General‑purpose power circuits — Bulk capacitance and smoothing in power supplies and DC buses where 160 V ratings and high capacitance are required.
• Industrial power modules — Snap‑in mounting and robust ripple capability support assembly into industrial power assemblies and submodules.
• Energy buffering / DC link — Provides energy storage and ripple absorption for mid‑voltage DC link stages that require sustained endurance at elevated temperatures.

Unique Advantages

• High capacitance at elevated voltage: 820 µF at 160 V supplies substantial energy density for designs constrained by board area.
• Dual‑frequency ripple capability: Rated ripple currents specified for both 120 Hz and 50 kHz enable predictable performance across low and high ripple components.
• Documented endurance: 3000 hours at 85°C under rated ripple and DC bias assures long‑term stability of capacitance and leakage characteristics.
• Snap‑in radial packaging: φ22 × 40 mm can and snap‑in terminals simplify secure mounting in high‑volume production assemblies with tray packing.
• Controlled dissipation and leakage: tan δ 0.15 (120 Hz, 20°C) and specified leakage current provide predictable thermal and standby behavior for system design.
• RoHS compliant: Conforms to applicable RoHS directives for use in regulated product lines.

Why Choose LLS2C821MELZ?

LLS2C821MELZ positions itself as a durable, high‑capacitance solution for designs that require 160 V rated bulk capacitance with proven ripple endurance. Its combination of high capacitance, defined loss angle, and frequency‑specific ripple ratings makes it a practical choice for engineers consolidating board area without compromising on energy storage or ripple handling.

This component is well suited to OEMs and contract manufacturers assembling general‑purpose power systems and industrial modules that demand predictable electrical behavior over a –40°C to +85°C operating range and documented 3000‑hour endurance at 85°C.

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