LKG2A681MESYBK

The LKG2A681MESYBK is an aluminum electrolytic, snap‑in terminal capacitor from Nichicon’s LKG series, purpose-built for audio equipment. It delivers 680 µF capacitance at a 100 V rating in a radial snap‑in can intended for high‑fidelity audio applications.

Key design attributes include a polarized snap‑in package, a compact φ20×40L form factor, and electrical characteristics targeted at power filtering roles in audio designs—combining high capacitance, significant ripple current capability, and a specified endurance at elevated temperature.

Key Features

• Capacitance and Voltage — Rated at 680 µF and 100 V, providing bulk energy storage suitable for audio power stages and filtering tasks.
• Audio‑oriented series design — Part of the LKG series explicitly described for high‑grade audio equipment and high‑fidelity sound quality.
• Snap‑in radial can — Snap‑in terminal, radial can package for secure chassis/board mounting and straightforward installation.
• Ripple current capability — Low‑frequency ripple current rating of 2.15 A at 120 Hz to support dynamic supply conditions in audio circuits.
• Leakage and tolerance — Specified leakage current of 780 µA and capacitance tolerance of ±20% at 120 Hz, 20 °C.
• Operating and endurance spec — Rated for -40 °C to +85 °C operation with an endurance rating of 1000 hours at 85 °C under rated voltage.
• RoHS compliant — Meets RoHS directives as stated for the LKG series.

Typical Applications

• High‑fidelity audio equipment — Suited to power supply and signal chain use in audio designs where the LKG series’ priority on sound quality is required.
• Professional audio systems — Appropriate for use in pro amplifiers, mixers, and other equipment that benefit from high capacitance and reliable ripple handling.
• Audio power supply filtering — Used where bulk energy storage and smoothing at up to 100 V are needed to stabilize audio power rails.

Unique Advantages

• Audio‑focused engineering — Part of a family explicitly designed for high‑grade audio, aligning component choice with fidelity goals.
• High voltage capability — 100 V rating enables use in higher‑voltage audio power topologies and designs requiring greater DC headroom.
• Robust ripple handling — 2.15 A ripple current (120 Hz) supports dynamic power demands common in audio amplifiers.
• Compact, serviceable package — φ20×40L snap‑in radial can offers a high capacitance-to‑footprint ratio in a mountable format.
• Specified endurance — 1000 hours at 85 °C under rated voltage gives a defined lifetime metric for thermal planning and reliability tradeoffs.
• Regulatory compliance — RoHS status supports use in assemblies requiring restricted‑substance compliance.

Why Choose LKG2A681MESYBK?

LKG2A681MESYBK brings together high capacitance, a 100 V rating, and audio‑centric design cues from the Nichicon LKG series, making it a practical choice for engineers specifying capacitors for high‑fidelity audio equipment and related power supply functions. Its snap‑in radial form and measurable ripple and endurance specifications simplify component selection and system design verification.

This part suits designers and procurement teams developing or maintaining professional audio gear, amplifiers, and power modules where verified electrical data and an audio‑oriented component family are important considerations. Manufacturer backing from Nichicon and clear endurance and operating limits help with predictable long‑term planning.

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