LKG1H122MESYBK

The LKG1H122MESYBK is an aluminum electrolytic capacitor in a snap-in, radial can package from Nichicon's LKG series, designed specifically for audio equipment. It delivers 1200 µF capacitance at a 50 V rating with a ±20% tolerance for power filtering and decoupling in audio-oriented power supplies and signal circuits.

Engineered for audio applications, the LKG series emphasizes high tone quality and stable performance across a wide temperature range, making this part suitable for professional and consumer high-fidelity equipment where reliable smoothing and ripple handling are required.

Key Features

• Capacitance & Voltage — 1200 µF nominal capacitance rated at 50 V with ±20% tolerance, providing bulk energy storage for audio power stages and smoothing circuits.
• Audio-focused design — Part of Nichicon’s LKG series developed for high-grade audio equipment and HD audio use, prioritizing tone quality and sound fidelity.
• Ripple current capability — 1.65 A ripple current (measured at 120 Hz) to support dynamic supply loads typical in amplifier and power-supply applications.
• Leakage and loss characteristics — Specified leakage current of 730 µA and a tangent of loss angle (tan δ) of 0.3, enabling predictable performance in low-frequency audio power circuits.
• Operating temperature and endurance — Rated for −40 °C to +85 °C with an endurance rating of 1000 hours at 85 °C, supporting long-term operation in typical audio environments.
• Package & mounting — Snap-in (lug) radial can package, nominal size φ20 × 30 mm (approx. 3 × 2 cm), for secure board mounting in power assemblies.
• RoHS compliance — Compliant with RoHS directive, meeting environmental restrictions for lead and other regulated substances.

Typical Applications

• Professional audio amplifiers — Bulk filtering and power smoothing for amplifier power rails to maintain steady supply during dynamic audio peaks.
• High-fidelity consumer audio equipment — Decoupling and energy storage in preamplifiers, DAC power supplies, and other HD audio components where tone quality is important.
• Mixing consoles and studio gear — Power supply stabilization for multi-channel equipment subject to variable load demands.

Unique Advantages

• Audio-centric engineering: Specified as part of the LKG series intended for high-grade audio, aligning component selection with sound-quality priorities.
• Robust ripple handling: 1.65 A ripple current rating at 120 Hz supports sustained dynamic loads in audio power supplies.
• Predictable electrical behavior: Defined leakage current (730 µA) and tan δ (0.3) provide measurable parameters for circuit design and modeling.
• Wide operating range and endurance: −40 °C to +85 °C operating range with 1000-hour endurance at 85 °C for stability in typical equipment environments.
• Secure snap-in mounting: Radial, snap-in can package simplifies board assembly for power modules and chassis-mounted supplies.
• Regulatory compliance: RoHS-compliant construction supports environmental requirements for modern electronics.

Why Choose LKG1H122MESYBK?

LKG1H122MESYBK is positioned for designers of audio equipment who need a reliable, audio-oriented electrolytic capacitor with clear electrical specifications for capacitance, ripple current, leakage, and loss angle. Its snap-in package and thermal/endurance ratings make it suitable for power supply filtering and energy storage in high-fidelity systems.

This part is appropriate for engineers specifying components for professional and consumer audio assemblies where predictable performance, longevity at elevated temperature, and RoHS compliance are required.

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