LKX2W101MESA25

The LKX2W101MESA25 is a Nichicon-manufactured aluminum electrolytic capacitor in a snap-in radial can designed for high-voltage power applications. It delivers 100 µF capacitance at a 450 V rating with snap-in mounting for secure PCB installation.

Targeted for audio equipment and switching power supplies, this 105°C-rated component provides reliable high-voltage filtering and energy storage where long endurance and stable performance under ripple are required.

Key Features

• Electrical Performance — 100 µF nominal capacitance with ±20% tolerance and a rated voltage of 450 V for high-voltage power filtering and smoothing.
• Ripple Handling — Rated ripple current of 0.69 A at 120 Hz and 0.9867 A at 50 kHz, enabling effective handling of both low- and high-frequency ripple currents in power supplies.
• Low Loss — Specified tan δ of 0.20 (measurement at 120 Hz, 20°C) to characterize dielectric losses and help predict heating under AC conditions.
• High-Temperature Endurance — Category temperature range of −25°C to +105°C with an endurance rating of 2000 hours at 105°C, supporting sustained operation in elevated-temperature environments.
• Shelf and Storage Stability — Shelf-life specification of 1000 hours at 105°C, with post-storage recovery procedures defined by the series datasheet.
• Package & Mounting — φ25 × 25 mm radial can with snap-in terminals for robust mechanical retention and straightforward PCB assembly.
• RoHS Compliant — Conforms to RoHS requirements for restricted substances.

Typical Applications

• Audio Equipment — Designed for audio applications where high-voltage filtering and selected materials support acoustic performance.
• Switching Power Supplies — Bulk smoothing and ripple filtering at 450 V DC rails in switch-mode power designs.
• General‑Purpose Power Electronics — Energy storage and decoupling in industrial and consumer AC/DC systems that require high-voltage electrolytic capacitors.

Unique Advantages

• High-Voltage Capability: 450 V rating enables use on elevated DC rails without series stacking or additional insulation measures.
• Snap‑In Mounting: Radial snap-in terminals provide secure mechanical retention for through-hole PCBs and simplify assembly.
• Designed for Audio Use: Series selection emphasizes materials and construction targeted at audio equipment applications.
• Temperature and Endurance: 105°C category with 2000 hours endurance at that temperature supports long-term reliability under thermal stress.
• Measured Ripple Performance: Specified ripple currents at both low and high frequencies allow predictable thermal and lifetime planning in power designs.
• Regulatory Compliance: RoHS compliance supports deployment in regions and products requiring restricted-substance conformance.

Why Choose LKX2W101MESA25?

The LKX2W101MESA25 positions itself as a reliable high-voltage electrolytic capacitor for engineers designing audio equipment, switching power supplies, and other power electronics that need 450 V filtering with proven endurance. Its combination of rated ripple current, defined loss tangent, and 105°C endurance supports predictable behavior in sustained high-stress environments.

Manufactured by Nichicon and delivered in a snap-in radial can, this part is suitable for applications where secure PCB mounting, long service life, and RoHS compliance are priorities. Choose LKX2W101MESA25 when you require a verified 100 µF, 450 V capacitive solution with documented ripple and thermal performance.

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