LKG1H681MESYCK

The LKG1H681MESYCK is an aluminum electrolytic snap‑in capacitor from Nichicon's LKG series, engineered for audio equipment where tone quality and reliable power handling matter. It provides 680 µF nominal capacitance at a 50 V rating in a compact radial can snap‑in package suitable for chassis or power‑supply assemblies.

Designed for audio use and part of Nichicon’s audio‑focused LKG family, this Type‑III grade component emphasizes high‑fidelity performance and durable operation across a −40 °C to +85 °C range with a rated lifetime of 1,000 hours at 85 °C.

Key Features

• Electrical Capacity — 680 µF nominal capacitance with ±20% tolerance, rated for 50 V operation.
• Ripple and Leakage — Ripple current capability of 1.05 A (120 Hz) and specified leakage current of 550 µA, supporting stable power performance under typical audio supply conditions.
• Audio‑Optimized Grade — Part of the LKG audio series and configured as a TYPE‑III grade (CK), designed to prioritize tone quality with gold‑plated terminal design noted in the series documentation.
• Package & Mounting — Radial, can style with snap‑in terminals for secure chassis or board mounting; physical size approximately φ20 × 30 mm.
• Operating Range & Reliability — Specified operating temperature −40 °C to +85 °C and endurance rating of 1,000 hours at 85 °C.
• Compliance — RoHS‑compliant as indicated for the LKG series.
• Polarized — Designed for polarized applications common in power and audio circuits.

Typical Applications

• High‑Fidelity Audio Amplifiers — Reservoir and decoupling capacitor in amplifier power supplies where sustained capacitance and ripple handling influence tone and stability.
• Preamp and Signal Processing Units — Supporting stable biasing and power filtering in audio signal chains that demand low‑distortion performance.
• Audio Equipment Power Supplies — Bulk smoothing and transient energy delivery in chassis‑mounted or board‑mounted power modules for audio gear.

Unique Advantages

• Audio‑focused design: Part of Nichicon’s LKG series tailored for audio, offering characteristics selected to support high‑fidelity sound reproduction.
• Type‑III (CK) grade: Series documentation identifies the CK suffix with the highest tone‑quality grade and adoption of gold‑plated terminal features in the LKG family.
• Solid ripple handling: 1.05 A ripple current rating at 120 Hz provides capacity to manage typical audio power supply ripple and transients.
• Compact snap‑in package: Radial can with snap‑in terminals enables secure mounting in tight chassis or power assemblies while simplifying mechanical installation.
• Temperature and endurance — Rated for −40 °C to +85 °C and proven to meet endurance criteria after 1,000 hours at 85 °C, supporting predictable long‑term performance.
• Regulatory compliance: RoHS compliance for environmental substance restrictions.

Why Choose LKG1H681MESYCK?

The LKG1H681MESYCK targets designers of audio equipment who need a compact, audio‑oriented electrolytic capacitor that balances capacitance, voltage rating, ripple capability and a chassis‑friendly snap‑in package. Its Type‑III LKG pedigree and series characteristics make it suitable where tone quality and reliable power decoupling are priorities.

With a 680 µF / 50 V rating, specified ripple current and a 1,000‑hour endurance at elevated temperature, this capacitor delivers verifiable electrical and environmental specifications for robust audio power designs while maintaining RoHS compliance.

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