LKG2A821MESCBK

The LKG2A821MESCBK is an aluminum electrolytic, snap‑in terminal capacitor from Nichicon's LKG series, specified for audio applications. It combines a high 100 V rated voltage with 820 µF capacitance in a compact φ35 × 20 mm radial can designed for secured snap‑in mounting.

Engineered for audio equipment, this TYPE‑II (BK) grade unit targets applications that prioritize high‑fidelity sound performance while providing bulk energy storage, ripple handling and temperature stability across −40 °C to +85 °C.

Key Features

• Capacitance & Voltage — 820 µF capacitance rated at 100 V for substantial energy storage and voltage headroom in audio power circuits.
• Audio‑oriented Grade — LKG series design focused on high‑grade audio equipment; this part uses the TYPE‑II (BK) grade from the LKG family.
• Snap‑in / Radial Can Package — Snap‑in terminal, radial can package (φ35 mm diameter × 20 mm length) for robust mechanical retention and easy PCB assembly.
• Ripple Current — 2.45 A ripple current rating at 120 Hz, suitable for smoothing and decoupling in audio power stages.
• Leakage Current — Specified leakage current of 850 µA after rated voltage application, aligned with typical electrolytic behavior.
• Operating Range & Lifetime — Rated for −40 °C to +85 °C with an endurance of 1000 hours at 85 °C under rated voltage.
• Polarized — Polarized electrolytic construction for use where correct polarity is observed in circuit design.
• RoHS Compliant — Conforms to RoHS directive requirements for materials compliance.

Typical Applications

• High‑fidelity Audio Amplifiers — Bulk filtering and power reservoir in power supply rails to support clean, stable supply for amplifier stages.
• Audio Power Supplies — Smoothing and decoupling of rectified supplies where higher voltage and capacitance are required.
• Preamp and Signal Chain Modules — Energy storage and decoupling to help maintain low‑noise operation in sensitive audio front‑end circuits.

Unique Advantages

• Audio‑focused design — Part of the LKG family developed specifically for audio use, bringing component choices aligned with fidelity priorities.
• High voltage capability — 100 V rating provides design margin for higher‑voltage audio power systems and voltage swing requirements.
• Substantial bulk capacitance — 820 µF value delivers significant energy storage for smoothing and transient support in power rails.
• Robust ripple handling — 2.45 A ripple current rating at 120 Hz supports common power frequencies found in audio power supplies.
• Compact, secure mounting — Snap‑in radial can format (φ35 × 20 mm) offers secure mechanical retention and straightforward assembly into audio equipment chassis and PCBs.
• Regulatory compliance — RoHS compliance supports use in products requiring restricted substance conformity.

Why Choose LKG2A821MESCBK?

LKG2A821MESCBK positions itself as a practical choice for designers of high‑fidelity audio equipment who need a compact, high‑voltage electrolytic with substantial bulk capacitance and defined ripple performance. Its TYPE‑II LKG lineage reflects an audio‑oriented specification set intended to support cleaner supply rails and reliable operation across the specified temperature range.

With a 1000‑hour endurance at 85 °C and clear electrical characteristics (820 µF, 100 V, 2.45 A ripple at 120 Hz, 850 µA leakage), this capacitor is suited for audio engineers and electrical designers seeking documented, application‑focused components from a known manufacturer.

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