LKG1H392MESBAK

The LKG1H392MESBAK is a snap-in, polarized aluminum electrolytic capacitor from Nichicon's LKG series, engineered for use in high-grade audio equipment. With a 3.9 mF (3900 µF) capacitance at 50 V rating and an audio-focused design intent, it addresses smoothing and energy-storage needs where fidelity and stable performance matter.

Built to the LKG series specification set, this part balances audio-grade sound priorities with practical reliability characteristics such as wide operating temperature range, defined lifetime at elevated temperature, and RoHS compliance.

Key Features

• Audio-focused design — Designed specifically for high-grade audio equipment and HD audio applications, prioritizing high-fidelity sound quality.
• Capacitance & voltage — 3.9 mF (3900 µF) nominal capacitance with a 50 V rated voltage and ±20% capacitance tolerance at 120 Hz, 20°C.
• Mounting & package — Snap-in terminal, radial can (snap-in) package for secure chassis or PCB mounting in power and filter stages.
• Operating environment — Specified operating temperature range of −40°C to +85°C to cover typical audio equipment environments.
• Endurance — Specified lifetime of 1000 hours at 85°C with endurance characteristics defined by the LKG series.
• Ripple handling — Rated ripple current of 2.35 A at 120 Hz for stable operation in power smoothing and filtering roles.
• Regulatory — RoHS compliant (2011/65/EU, (EU)2015/863), meeting environmental directive requirements.
• Series-level marking — LKG series marking uses gold-colored print on a black sleeve for clear identification.

Typical Applications

• High-fidelity audio systems — Energy storage and smoothing in high-grade consumer or professional audio equipment where sound quality is a priority.
• HD audio components — Support for HD audio products requiring stable supply decoupling and low-noise performance.
• Audio amplifiers and preamplifiers — Power-supply filtering and reservoir capacitance for improved dynamic response in amplifier circuits.

Unique Advantages

• Audio-oriented tuning: Designed with the LKG series’ focus on high tone quality to support audible performance requirements in audio designs.
• Rated for extended use at elevated temperature: 1000 hours endurance at 85°C provides predictable lifetime behavior in warm enclosures.
• High ripple capability: 2.35 A ripple current at 120 Hz reduces stress and heating under typical audio power conditions.
• Secure snap-in mounting: Snap-in terminal and radial can package simplify mechanical retention and electrical connection for chassis-mounted power stages.
• Regulatory compliance: RoHS compliance helps meet environmental requirements for modern electronic product lines.

Why Choose LKG1H392MESBAK?

LKG1H392MESBAK is positioned for designers and manufacturers of high-grade audio equipment who need a polarized electrolytic capacitor that combines substantial capacitance (3.9 mF) with a 50 V rating and audio-focused design intent. Its specified ripple current, operating temperature range, and defined endurance make performance and reliability tradeoffs explicit for system-level design.

As part of Nichicon’s LKG series, this capacitor fits applications where audible performance considerations and component-level reliability are both important — offering a measurable specification set that supports predictable integration into power-supply and audio signal-support circuits.

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