LKX2W101MESY40

The LKX2W101MESY40 is a snap‑in, radial can aluminum electrolytic capacitor from Nichicon's LKX series, designed for audio equipment and switching power supplies. It provides a 100 µF capacitance at a 450 V rating with polarization and snap‑in mounting for robust installation.

Engineered for applications that demand high‑voltage smoothing and audio‑sensitive performance, this part combines a 105°C standard series temperature capability with materials selected to enhance acoustic sound and compliance with RoHS directives.

Key Features

• Capacitance & Voltage — 100 µF rated capacitance at 450 V DC with a tolerance of ±20%.
• Package & Mounting — Radial, snap‑in can package for secure board/panel mounting and straightforward mechanical retention.
• Temperature & Endurance — Operating range of -25°C to +105°C (specified for 400–450 V parts) with an endurance rating of 2000 hours at 105°C under DC bias plus rated ripple current per the LKX series specification.
• Ripple Current — Rated ripple current of 690 mA at 120 Hz and 986.7 mA at 50 kHz to support power filtering across common switching and audio frequencies.
• Audio‑Focused Materials — Selected materials and construction intended to achieve superior acoustic sound for audio equipment applications.
• Polarized Electrolytic — Polarized design for DC filtering and bulk energy storage in power rail circuits.
• Regulatory Compliance — RoHS compliant (2011/65/EU, (EU)2015/863).
• Mechanical Dimensions — Approximate size L: 4 × D: 2 cm with a specified maximum seated height of 1.575 inch.

Typical Applications

• Audio Equipment — Bulk filtering and power smoothing in amplifier and high‑fidelity circuits where acoustic characteristics and stable high‑voltage performance are important.
• Switching Power Supplies — Output smoothing and energy storage on high‑voltage rails in SMPS designs that require a 450 V rated capacitor with substantial ripple capability.
• General Purpose Power Filtering — DC link and bulk capacitance in industrial and consumer power systems needing a polarized, high‑voltage electrolytic.

Unique Advantages

• High‑Voltage Capability — 450 V rating enables use on elevated DC rails without stacking or complex topologies.
• Audio‑Optimized Construction — Materials selected for superior acoustic sound, making the part suitable where audible performance matters.
• Thermal Endurance — Rated for 2000 hours at 105°C under specified conditions, supporting reliability in elevated operating temperatures.
• High‑Frequency Ripple Support — Measured ripple performance at both 120 Hz and 50 kHz allows effective filtering across switching and audio frequency ranges.
• Robust Mounting — Snap‑in radial can eases mechanical integration and secures the capacitor in assemblies subjected to vibration or handling.
• RoHS Compliance — Meets current RoHS directives for regulatory and environmental alignment.

Why Choose LKX2W101MESY40?

Part of Nichicon's LKX series, the LKX2W101MESY40 delivers 100 µF at 450 V in a snap‑in radial can designed for audio and switching power supply use. Its combination of high voltage rating, specified ripple current performance, audio‑focused material selection, and 105°C endurance make it a practical choice for designs that require reliable bulk capacitance with attention to audible quality.

This capacitor is suited to engineers specifying high‑voltage smoothing and audio‑sensitive applications who need a polarized, mechanically robust component with defined thermal and ripple performance from a recognized LKX series offering.

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