LKSN2392MESB

The LKSN2392MESB is a snap-in aluminum electrolytic capacitor from Nichicon's LKS series, optimized for audio equipment and general-purpose power filtering. It delivers 3.9 mF capacitance at a 56 V rating in a compact snap-in can intended as a smaller-sized replacement to improve tone quality compared with smaller standard parts.

Key Features

• Capacitance & Voltage — 3.9 mF capacitance rated for 56 V provides bulk energy storage suitable for smoothing and decoupling in audio power circuits.
• Snap-in Radial Package — Snap-in, radial can package simplifies board assembly and offers secure mechanical mounting for power supply and amplifier applications.
• Compact Dimensions — Size L: 2.5 cm × D: 3.0 cm for a smaller footprint compared with larger radial snap-in capacitors while maintaining high capacitance.
• Polarized Electrolytic — Polarized design for DC filtering and energy storage in amplifier power rails and general-purpose circuits.
• Operating Temperature — Rated for −40°C to +85°C to support typical consumer and professional audio equipment environments.
• Endurance — Designed to meet specified characteristics after 1000 hours at 85°C, supporting reliability under elevated operating temperatures.
• Ripple Current — Rated ripple current of 2.6 A at 120 Hz for handling AC stress in power-supply smoothing applications.
• Capacitance Tolerance — ±20% tolerance (at 120 Hz, 20°C) for predictable performance in filter and reservoir designs.
• RoHS Compliant — Conforms to RoHS directive (2011/65/EU, (EU)2015/863) for restricted substance compliance.
• Leakage Current Limit — Leakage current specified as not more than 3√(C·V) μA after 5 minutes at 20°C, providing a verifiable limit for design calculations.

Typical Applications

• Audio amplifiers — Bulk smoothing and supply decoupling where the part’s larger capacitance and snap-in mounting help improve tone quality when replacing smaller standard units.
• Power supply filters — Reservoir and smoothing capacitor in consumer and professional electronic power supplies requiring 3.9 mF at 56 V.
• General-purpose electronic equipment — DC filtering and energy storage in a variety of assemblies that require a compact, snap-in polarized electrolytic solution.

Unique Advantages

• Audio-focused performance: Specified as suitable for audio equipment and described to provide tone-quality improvement when used as a replacement for smaller standard parts.
• High bulk capacitance in a compact form: 3.9 mF at 56 V packaged in a 2.5 cm × 3.0 cm snap-in can to save board space while maintaining energy storage.
• Robust ripple handling: 2.6 A ripple current rating at 120 Hz supports demanding smoothing duties in power rails.
• Designed for elevated-temperature endurance: Meets specified characteristics after 1000 hours at 85°C, supporting longer service life under heat stress.
• Predictable leakage behavior: Leakage current capped by the industry-standard 3√(C·V) μA formula for dependable design margins.
• Regulatory compliance: RoHS conformity aligns with common environmental and manufacturing requirements.

Why Choose LKSN2392MESB?

The LKSN2392MESB is positioned for designers who need a compact, snap-in aluminum electrolytic capacitor that balances high capacitance with board-space efficiency and audio-oriented performance. Its 3.9 mF/56 V rating, 2.6 A ripple capability at 120 Hz, and 1000-hour endurance at 85°C make it suitable for power filtering and reservoir duties in audio amplifiers and general electronic equipment.

Manufactured by Nichicon and RoHS compliant, this part is a practical choice when upgrading from smaller standard capacitors to achieve measurable tonal improvement and reliable operation in consumer and professional audio designs.

Request a quote or contact sales to discuss pricing, availability, and how LKSN2392MESB can fit into your next design.