LKG1J681MESYCK

The LKG1J681MESYCK is an aluminum electrolytic, snap-in terminal capacitor from Nichicon’s LKG series, optimized for audio equipment. It provides 680 µF capacitance at a 63 V rating with a low-loss construction targeted toward high-fidelity audio applications.

Engineered as part of the LKG family for audio use, this snap-in, radial can offers specifications suited to power filtering and smoothing in audio designs while meeting RoHS environmental requirements.

Key Features

• Capacitance & Voltage — 680 µF rated capacitance at 63 V with ±20% tolerance for predictable energy storage and filtering behavior.
• Low Loss for Audio — Specified tan δ of 0.22 (measurement at 120 Hz, 20°C per series data) to support low-loss performance important to audio signal chains.
• Ripple Current Handling — Rated ripple current of 1.75 A at 120 Hz to support power smoothing under typical audio supply conditions.
• Leakage Current — Initial leakage current specified at 620 µA, enabling reliable bias behavior in DC-coupled circuits.
• Operating Temperature & Endurance — Rated for −40°C to +85°C with an endurance specification of 1000 hours at 85°C, meeting the LKG series’ restoration and stability criteria.
• Package & Mounting — Radial, snap-in can (φ20 × 30 mm) for secure board retention and robust mechanical mounting in power sections.
• RoHS Compliant — Conforms to RoHS directive requirements as noted for the LKG series.
• Product Status — End of Life: note that this specific part is listed as End of Life.

Typical Applications

• High-fidelity Audio Equipment — Designed for audio use; suitable for power supply smoothing and decoupling where low-loss and stable capacitance are important to sound quality.
• Audio Amplifier Power Rails — Provides bulk energy storage and ripple damping on supply rails in amplifier modules and preamplifiers.
• Consumer Audio Electronics — Useful in high-grade consumer audio devices that require reliable, long-life electrolytic capacitance within the LKG series’ temperature and endurance limits.

Unique Advantages

• Audio-focused design — Part of the LKG series engineered for high-grade audio equipment, aligning component selection with sound-quality priorities documented by the series.
• Measured low loss — Specified tan δ value supports reduced dissipation at audio frequencies, aiding stable performance in signal-critical circuits.
• Robust ripple capability — 1.75 A ripple current rating at 120 Hz helps maintain voltage stability under dynamic audio loads.
• Wide temperature range — −40°C to +85°C operating range supports a variety of environmental conditions encountered by audio electronics.
• Snap-in radial can — Mechanical snap-in mounting simplifies placement and secures the capacitor in power supply assemblies.
• Regulatory compliance — RoHS compliance addresses environmental regulation requirements for modern electronics assemblies.

Why Choose LKG1J681MESYCK?

LKG1J681MESYCK positions itself as a series-aligned audio capacitor offering a combination of 680 µF capacitance, 63 V rating, low dissipation (tan δ 0.22), and solid ripple-current capability for power filtering in audio applications. Its snap-in radial can and RoHS compliance make it suitable for designers targeting reliable, serviceable assemblies in high-grade audio equipment.

This part is appropriate for engineers and procurement teams specifying components for audio power rails and decoupling tasks where the LKG series’ endurance (1000 hours at 85°C) and temperature range meet design requirements. Note that this specific part is listed as End of Life, so plan end-of-life management and inventory accordingly.

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