LKG1V392MESBAK

The LKG1V392MESBAK is an aluminum electrolytic, snap‑in terminal capacitor from Nichicon’s LKG series, specified at 3900 µF and 35 V. It is part of the LKG family designed for high‑grade audio equipment where priority is given to high‑fidelity sound quality.

This snap‑in, radial can package (φ30 × 20 mm) is polarized and RoHS compliant, offering audio‑focused construction and performance characteristics intended for use in HD audio and professional audio products.

Key Features

• Capacitance & Voltage: 3900 µF nominal capacitance at a rated voltage of 35 V, with a tolerance of ±20% (120 Hz, 20°C).
• Audio‑Grade LKG Series: Part of Nichicon’s LKG family developed for high‑tone quality audio applications; the series includes TYPE‑I, TYPE‑II and TYPE‑III grades for different sonic priorities.
• Snap‑In Radial Can Package: Snap‑in mounting for secure board attachment; case form described as radial, can – snap‑in with physical dimensions φ30 × 20 mm (L: 2 cm × D: 3 cm).
• Ripple Current Capability: Low‑frequency ripple current handling of 1.85 A at 120 Hz, supporting power supply smoothing in audio circuits.
• Operating Temperature & Endurance: Rated for −40°C to +85°C; endurance specified as 1000 hours at 85°C with capacitance change within ±20% after the test.
• Leakage Current Specification: Leakage current limit defined by the formula 3√(C·V) µA after 5 minutes at 20°C (C = µF, V = V), per the datasheet.
• Low‑Temperature Stability: Impedance ratios specified for cold conditions (Z(−25°C)/Z(+20°C) ≤ 4, Z(−40°C)/Z(+20°C) ≤ 12) for reliable performance across the rated range.
• RoHS Compliant: Conforms to the RoHS directive (2011/65/EU, (EU)2015/863).

Typical Applications

• High‑grade Audio Amplifiers: Bulk smoothing and decoupling on power rails where high fidelity and low distortion are priorities.
• HD Audio Equipment: Power supply filtering and energy storage for DACs, preamps, and professional playback systems that demand consistent tone quality.
• Professional Audio Gear: Use in mixing consoles, studio processors, and other equipment requiring stable capacitance and low noise under varying temperatures.

Unique Advantages

• Designed for Audio Fidelity: LKG series construction and electrolytes prioritize sound quality for HD audio and professional applications.
• Compact, Secure Mounting: Snap‑in radial can (φ30 × 20 mm) provides a space‑efficient footprint with robust mechanical retention on PCBs.
• Measured Ripple Performance: Specified 1.85 A ripple current at 120 Hz enables effective smoothing in low‑frequency audio power supplies.
• Formulated Endurance: Rated 1000 hours at 85°C with defined limits for capacitance, tan δ and leakage current to support long‑term stability.
• Clear Specification Traceability: Leakage current and low‑temperature impedance limits are provided in the datasheet for engineering validation and comparison.
• Regulatory Compliance: RoHS conformity supports use in regulated electronics manufacturing environments.

Why Choose LKG1V392MESBAK?

LKG1V392MESBAK is positioned for designers and manufacturers of high‑fidelity audio equipment who need a compact, reliable electrolytic capacitor optimized for sound quality and stable power filtering. Its combination of audio‑focused construction, defined ripple capability, and endurance characteristics makes it suitable for HD audio and professional applications where long‑term stability and predictable behavior across temperature are important.

By selecting this Nichicon LKG series part, engineers gain a component with explicit datasheet specifications for leakage, impedance stability, and endurance, simplifying validation and system design for audio power stages and supply decoupling.

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