LKG2A821MESBAK

The LKG2A821MESBAK is an aluminum electrolytic, snap‑in terminal capacitor from Nichicon’s LKG series, engineered for audio applications where fidelity is a priority. It combines a high capacitance of 820 µF with a 100 V rating in a radial, can-type snap‑in package designed for board-mounted power and audio circuitry.

Targeted at high‑grade and HD audio equipment, this capacitor offers a blend of audio-focused design and documented electrical and reliability characteristics—including defined ripple current, operating temperature range, and endurance—to support audio power stages and related circuitry.

Key Features

• Audio-focused design — Developed for high‑grade audio equipment with priority on high‑fidelity sound quality as described in the LKG series documentation.
• Capacitance & voltage — 820 µF rated capacitance at 100 V, suitable where significant energy storage and higher DC voltage capability are required.
• Snap‑in radial can package — Snap‑in terminal, radial can configuration for robust mechanical mounting in power and audio assemblies.
• Polarized electrolytic — Polarized construction appropriate for DC link, smoothing, and energy reservoir roles in audio power circuits.
• Operating range and endurance — Rated for -40 °C to +85 °C with an endurance specification of 1000 hours at 85 °C under rated voltage.
• Ripple current capability — Specified ripple current of 1.9 A at 120 Hz to support AC ripple handling in power applications.
• Leakage current specification — Meets the datasheet leakage current requirement: after 5 minutes at 20 °C, leakage current not more than 3√CV (µA).
• RoHS compliant — Conforms to RoHS directives (2011/65/EU, (EU)2015/863).

Typical Applications

• High‑grade audio equipment — Use where sound quality is prioritized; provides energy storage and stability for audio power stages consistent with the LKG series intent.
• HD Audio systems — Suited to equipment that specifies components chosen to meet sound‑quality requirements stated for the series.
• Audio power modules — Applicable in power supply filter and reservoir roles within audio amplifiers and related boards, leveraging the 820 µF / 100 V rating and specified ripple current.

Unique Advantages

• Designed for fidelity: Series-level design emphasis on high‑tone quality supports use in high‑grade and HD audio products.
• High voltage capability: 100 V rating allows deployment in higher‑voltage audio and power circuits without upsizing multiple lower‑voltage parts.
• Documented endurance: 1000 hours at 85 °C with specified post‑test limits for capacitance, tan δ and leakage current provides predictable lifetime behavior.
• Defined ripple handling: 1.9 A ripple current (120 Hz) specification enables engineers to size the capacitor against expected AC stress in power applications.
• Controlled leakage: Leakage current limit of 3√CV µA after 5 minutes at 20 °C offers a measurable parameter for low‑current designs.
• Regulatory compliance: RoHS conformity supports use in designs targeting current environmental directive requirements.

Why Choose LKG2A821MESBAK?

The LKG2A821MESBAK is positioned for designers who require an audio‑centric electrolytic capacitor with a high capacitance-to-voltage combination and documented electrical and reliability parameters. Its specification set—820 µF at 100 V, defined ripple current, operating temperature range, and 1000‑hour endurance at 85 °C—provides measurable performance characteristics for power and audio circuit designers.

This part is suited to engineers building high‑grade and HD audio equipment where component selection is driven by sound‑quality focus, predictable lifetime, and compliance with RoHS directives. The snap‑in radial can form factor offers robust mounting for board-level power subsystems in those designs.

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