LKX2G331MESB40

The LKX2G331MESB40 is a 330 µF, 400 V polarized aluminum electrolytic capacitor in a snap‑in can package, designed for audio equipment and switching power supplies. It combines high working voltage with a compact snap‑in radial form factor and materials selected to support superior acoustic performance.

Engineered for demanding power and audio applications, the part is specified for operation from −25 °C to 105 °C and is RoHS compliant. Endurance is characterized at 105 °C with a rated lifetime of 2000 hours under DC bias plus rated ripple current.

Key Features

• High voltage rating: 400 V nominal rated voltage suitable for high‑voltage power rails in power‑supply and audio applications.
• Nominal capacitance: 330 µF with ±20% tolerance, providing bulk energy storage and smoothing for DC rails.
• Snap‑in radial can package: Snap‑in mounting for secure board retention and straightforward insertion into power assemblies; package dimensions L: 4 × D: 3 cm.
• High temperature endurance: Rated for continuous operation up to 105 °C with a specified endurance of 2000 hours at 105 °C under DC bias plus rated ripple current.
• Ripple current performance: Specified ripple current of 1.44 A at 120 Hz and 2.059 A at 50 kHz, supporting both low‑ and high‑frequency ripple conditions.
• Acoustic material selection: Constructed with selected materials to achieve superior acoustic sound for audio equipment applications.
• Polarized electrolytic design: Standard polarized construction for bulk capacitance in DC power circuits.
• Regulatory compliance: Compliant to the RoHS directive (2011/65/EU, (EU)2015/863).

Typical Applications

• Audio equipment power rails: Bulk smoothing and reservoir capacitance where materials and construction support enhanced acoustic characteristics.
• Switching power supplies: Energy storage and ripple suppression on high‑voltage DC rails in SMPS designs.
• General purpose power electronics: High‑voltage polarized capacitance for industrial and commercial power assemblies requiring snap‑in mounting.

Unique Advantages

• High‑voltage capability: 400 V rating enables use on elevated DC bus rails without additional series components.
• Compact snap‑in form factor: Radial snap‑in can simplifies mechanical retention and assembly in power modules.
• Designed for audio fidelity: Selected materials and construction intended to support superior acoustic sound in audio equipment applications.
• Wide operating temperature window: Specified operation from −25 °C to 105 °C for reliable performance across typical industrial and consumer environments.
• Qualified endurance: 2000 hours at 105 °C under rated conditions provides a measurable reliability baseline for design planning.
• RoHS compliance: Meets RoHS directive requirements for restricted substances.

Why Choose LKX2G331MESB40?

LKX2G331MESB40 delivers a combination of high voltage, substantial bulk capacitance and a snap‑in package tailored for audio equipment and switching power supply assemblies. Its materials and construction emphasize acoustic quality while providing the electrical characteristics designers need for DC bus smoothing and ripple control.

This part is well suited for engineers specifying high‑voltage electrolytic bulk capacitance in compact power assemblies where endurance at elevated temperature, RoHS compliance, and snap‑in mounting are priorities.

Request a quote or submit an inquiry to receive pricing, availability, and sample information for LKX2G331MESB40. Our team can provide technical and purchasing details to support your design cycle.