LKG1J392MESCBK

The LKG1J392MESCBK is an aluminum electrolytic, snap‑in terminal capacitor from Nichicon’s LKG series, specified at 3,900 µF and 63 V. It is designed for audio equipment and related power‑supply applications where high capacitance, stable performance and a compact snap‑in package are required.

With an operating temperature range of −40 °C to +85 °C and endurance specified at 1000 hours at 85 °C, this part provides a balance of capacitance density and proven thermal endurance for audio power filtering and smoothing tasks.

Key Features

• Capacitance & Voltage — 3,900 µF rated capacitance at 63 V provides bulk energy storage for power rails and smoothing in audio power supplies.
• Audio‑focused design — Series documentation specifies design intent for high‑grade audio equipment and high‑fidelity sound quality.
• Snap‑in, radial can package — Snap‑in terminal mounting for secure board installation in power assemblies; package case described as radial, can ‑ snap‑in.
• Polarized construction — Standard polarized electrolytic capacitor intended for DC power applications.
• Temperature & endurance — Rated for −40 °C to +85 °C with endurance of 1000 hours at 85 °C per series specifications.
• Loss characteristics & tolerance — Specified tolerance ±20% and tangent of loss angle (tan δ) of 0.3 as provided in the part description.
• Ripple handling — Rated ripple current of 3.35 A at 120 Hz to support power supply ripple filtering in audio circuits.
• Compact dimensions — Case diameter φ35 × 35 mm (3.5 × 3.5 cm) for high capacitance in a moderate footprint.
• RoHS compliant — Constructed in compliance with RoHS requirements.

Typical Applications

• Professional audio amplifiers — Bulk filtering and supply smoothing for high‑grade amplifier power supplies where stable DC rails are needed.
• Hi‑Fi power supplies — Energy storage and ripple suppression in high‑fidelity audio power rails to support transient dynamics.
• Studio and recording equipment — Power decoupling and filtering in preamplifiers, mixers and other audio processing gear.
• Audio signal processing modules — Local reservoir capacitance for modules requiring steady DC supply under varying load conditions.

Unique Advantages

• Designed for audio performance — Series-level emphasis on high tone quality aligns the part with audio equipment design goals.
• High capacitance in a compact snap‑in can — 3,900 µF in a φ35 × 35 mm package reduces board area while delivering substantial energy storage.
• Practical ripple capability — 3.35 A ripple current rating at 120 Hz supports common audio power‑supply ripple conditions.
• Robust thermal endurance — 1000‑hour endurance at 85 °C provides predictable performance over extended operation in typical audio environments.
• RoHS‑compliant construction — Fits designs requiring restricted‑substance compliance.
• Snap‑in mounting for secure installation — Facilitates mechanical retention in power assemblies and simplifies board handling during production.

Why Choose LKG1J392MESCBK?

The LKG1J392MESCBK positions itself as a practical, audio‑focused electrolytic capacitor delivering high bulk capacitance and ripple capability in a snap‑in, radial can package. Its operating range and endurance make it suitable for designers seeking stable power‑supply decoupling and smoothing in professional and consumer audio systems.

Choose this part when your design requires a combination of large capacitance, moderate ambient temperature endurance, and RoHS compliance, especially for audio power filtering and related applications where footprint and mounting robustness matter.

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