LKS1J392MESA

The LKS1J392MESA is an aluminum electrolytic capacitor in a snap-in radial can designed for audio equipment and general-purpose electronic applications. It combines a 3.9 mF capacitance with a 63 V rated voltage and a compact form factor intended to improve tone quality when replacing smaller standard parts.

Built to the Nichicon LKS series specification, this polarized capacitor supports a category temperature range of −40°C to +85°C, a rated lifetime of 1000 hours at 85°C, and is RoHS compliant.

Key Features

• Capacitance & Voltage — 3.9 mF capacitance at a rated voltage of 63 V, suitable for bulk energy storage and smoothing in power circuits.
• Snap-in Radial Package — Snap-in terminal type in a radial can package for secure board mounting and simplified assembly.
• Audio-focused Design — Specified for use in audio equipment; series notes indicate improved tone quality when replacing smaller standard products.
• Operating Temperature — Rated for −40°C to +85°C, supporting a wide range of environmental conditions.
• Endurance — Specified lifetime of 1000 hours at 85°C with defined endurance limits for capacitance change, tan δ, and leakage current.
• Leakage Current Specification — Leakage current after 5 minutes at rated voltage and 20°C is specified as not more than 3√CV (μA), per series datasheet.
• Low-Frequency Ripple Handling — Rated ripple current of 2.7 A at 120 Hz for the specified package size.
• RoHS Compliant — Conforms to RoHS directive (2011/65/EU, (EU)2015/863).

Typical Applications

• Audio Equipment — Bulk filtering and smoothing in audio power supplies; intended to improve tone quality when replacing smaller standard capacitors.
• Power Supply Filtering — Energy storage and ripple reduction in general-purpose DC power circuits where a polarized electrolytic is appropriate.
• General-Purpose Electronics — Decoupling and bulk capacitance in consumer and industrial equipment operating within the specified temperature and lifetime limits.

Unique Advantages

• Compact snap-in format: The radial snap-in can provides a stable mechanical and electrical connection for dense assemblies while preserving board space relative to larger designs.
• Designed for audio improvements: The LKS series highlights tone-quality improvement when upgrading from smaller standard parts, making this part a practical choice for audio designers.
• Robust ripple capability: Rated for 2.7 A at 120 Hz, enabling effective ripple current handling for power smoothing in low-frequency applications.
• Wide temperature range and specified endurance: −40°C to +85°C operation and a 1000-hour life rating at 85°C provide predictable performance and defined limits for long-term use.
• Measured leakage specification: Leakage current is bounded by the 3√CV formula after initial voltage application, allowing designers to predict standby and idle currents.
• Regulatory compliance: RoHS conformity supports restricted-substance requirements for modern electronics manufacturing.

Why Choose LKS1J392MESA?

LKS1J392MESA is positioned for designers seeking a polarized aluminum electrolytic capacitor in a snap-in radial package that balances compact physical size with substantial bulk capacitance and ripple capability. Its specification set — including a 63 V rating, 3.9 mF capacitance, defined leakage current formula, and 1000-hour endurance at 85°C — provides measurable design parameters for power filtering and audio applications.

This part is suited to engineers and procurement teams building audio equipment and general-purpose electronics who need a RoHS-compliant capacitor with predictable electrical behavior and mechanical stability on the PCB.

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