LKG1K821MESABK

The LKG1K821MESABK is an aluminum electrolytic, snap‑in terminal capacitor from Nichicon's LKG series, specified at 820 µF and 80 V with ±20% capacitance tolerance. It is part of the LKG family designed specifically for audio equipment and high‑tone quality applications.

Engineered for audio use, the LKG1K821MESABK combines a high capacitance, a low loss tangent (tanδ 0.25), and a robust ripple current rating to support power supply and signal‑related functions in high‑fidelity audio assemblies. It is RoHS compliant and specified for operation from −40 °C to +85 °C with an endurance rating of 1000 hours at 85 °C.

Key Features

• Electrolytic Core — 820 µF capacitance at 80 V nominal rating with ±20% tolerance, providing bulk energy storage suitable for audio equipment designs.
• Snap‑in Mounting — Radial, can style with snap‑in terminals for secure chassis or board mounting and simplified assembly.
• Audio‑Grade Design — Part of the LKG series developed for high‑grade audio equipment where tone and fidelity are prioritized.
• Loss and Leakage — Specified tangent of loss angle (tanδ) of 0.25 and initial leakage current value given as 760 µA; datasheet also references the leakage current limit after 5 minutes as ≤ 3√(C·V) µA (C: µF, V: V).
• Ripple Current Capability — Rated ripple current of 2 A (120 Hz), enabling handling of audio power supply ripple and dynamic load currents.
• Temperature & Endurance — Operating range −40 °C to +85 °C with endurance specified as 1000 hours at 85 °C; capacitance change within ±20% and leakage current within initial specified limits after endurance testing.
• Package & Marking — Compact φ25 × 25 mm can, printed with gold color lettering on a black sleeve; supplied in tray packing.
• Compliance — RoHS compliant as stated in the product information.

Typical Applications

• High‑Fidelity Audio Equipment — Designed for use in high‑grade audio systems where tone quality and sound fidelity are important.
• Audio Power Supplies — Bulk energy storage and ripple handling for power rails in audio amplifiers and preamplifier modules.
• HD Audio Systems — Suitable where component selection emphasizes low loss and stable performance across −40 °C to +85 °C operating conditions.

Unique Advantages

• Audio‑Focused Design: The LKG series is developed specifically for audio use, prioritizing high‑tone quality and fidelity in component selection.
• High Capacitance at Elevated Voltage: 820 µF at 80 V provides significant energy storage for demanding audio power sections.
• Low Loss Characteristic: Specified tanδ of 0.25 supports reduced dissipation in signal‑sensitive audio circuits.
• Robust Ripple Handling: 2 A ripple current rating (120 Hz) supports dynamic audio amplifier load conditions.
• Wide Temperature Operation and Endurance: −40 °C to +85 °C operating range and 1000 hours endurance at 85 °C for reliable performance in controlled environments.
• Clear Identification: Gold lettering on a black sleeve provides straightforward part identification during assembly and maintenance.

Why Choose LKG1K821MESABK?

The LKG1K821MESABK is positioned for engineers specifying audio‑grade electrolytic capacitors where high capacitance, low loss, and reliable ripple performance are required. Its snap‑in package and φ25 × 25 mm footprint make it practical for chassis or board assemblies in high‑fidelity audio equipment.

This capacitor suits designers and procurement teams focused on achieving consistent audio tone quality and dependable power supply behavior within the stated temperature and endurance constraints. Its RoHS compliance and clear marking support standardized manufacturing and traceability.

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