LKG2A681MESZCK

The Nichicon LKG2A681MESZCK is an aluminum electrolytic, snap-in terminal capacitor from the LKG series, rated at 680 µF and 100 V with ±20% tolerance. It is supplied in a radial snap-in can (φ22 × 45 mm) and is polarized for use in power and audio circuits.

Designed for audio use within the LKG family, this part targets high-grade and HD audio equipment. Key electrical characteristics include a low loss tangent (tan δ = 0.2), 2.65 A ripple current (120 Hz), 780 µA leakage current, RoHS compliance, and an endurance rating of 1000 hours at 85 °C.

Key Features

• Capacitance & Voltage — 680 µF nominal capacitance with a 100 V rated voltage and ±20% tolerance for bulk energy storage and filtering.
• Audio-Grade LKG Series — Part of Nichicon’s LKG family specified “For Audio Use,” developed with emphasis on tone quality for high-grade audio equipment.
• Low Loss — Specified tangent of loss angle (tan δ) = 0.2, supporting stable performance at 120 Hz and 20 °C.
• Ripple & Leakage — Rated ripple current of 2.65 A at 120 Hz and a leakage current of 780 µA, suitable for demanding smoothing and decoupling roles in audio power supplies.
• Temperature & Endurance — Operating range −40 °C to +85 °C with an endurance specification of 1000 hours at 85 °C.
• Mounting & Package — Snap-in terminal, radial can (snap-in) package in tray packing, nominal size φ22 × 45 mm for secure chassis/PCB mounting.
• Compliance & Lifecycle — RoHS compliant; product lifecycle status indicated as End of Life.
• TYPE-III (CK) Grade — Designation "CK" in the part number identifies the TYPE-III grade within the LKG series, targeted at the highest tone quality among the family.

Typical Applications

• High‑grade Audio Equipment — Power supply smoothing and bulk decoupling in amplifiers, preamplifiers, and HD audio components where audio-focused capacitor characteristics are required.
• Audio Power Supplies — Energy storage and ripple attenuation on 100 V-rated rails in audio power supply sections.
• Professional Audio Systems — Use in mixers, studio processors, and other professional gear that specify audio-oriented electrolytic capacitors from the LKG family.

Unique Advantages

• Audio-focused specification — LKG series design emphasizes tone quality and audio fidelity, aligning component selection with audio system goals.
• High voltage capability — 100 V rating provides margin for higher-voltage audio and power-supply designs.
• Defined ripple handling — 2.65 A ripple current (120 Hz) supports robust smoothing performance in power stages.
• Measured electrical stability — Low tan δ and specified leakage current support predictable behavior for filter and coupling networks.
• Known endurance — 1000 hours at 85 °C endurance rating provides a clear performance baseline for thermal stress planning.
• Regulatory compliance — RoHS compliance supports use in modern, regulated product designs.

Why Choose LKG2A681MESZCK?

LKG2A681MESZCK is positioned as an LKG-series audio-grade aluminum electrolytic capacitor that combines a substantial 680 µF capacitance with a 100 V rating in a snap-in radial can. Its specified ripple current, low loss tangent, and endurance rating make it suitable for designers of high‑grade audio equipment and power supply stages that require defined electrical behavior and component-level traceability.

As a Nichicon LKG-series part, this capacitor follows the series’ audio-oriented design goals and RoHS compliance. The TYPE-III (CK) designation signifies the higher tone-quality grade within the family, helping engineers align component selection with application audio-performance requirements.

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