LKX2W181MESZ50

The LKX2W181MESZ50 is a snap-in aluminum electrolytic capacitor designed for audio equipment and switching power supplies. It delivers high-voltage filtering in a radial, can-style snap-in package engineered for elevated operating temperatures and long-term reliability.

Key attributes include a 450 V rated voltage, 180 µF capacitance with ±20% tolerance, and selection of materials targeted to support superior acoustic performance in audio applications. The part is RoHS compliant.

Key Features

• Capacitance & Voltage — 180 µF nominal capacitance at a 450 V rated voltage, suited for high-voltage filtering and energy storage in power supply stages.
• High-temperature Endurance — Rated for operation up to 105°C with a specified endurance of 2000 hours at 105°C under D.C. bias plus rated ripple current; capacitance change remains within ±20% after endurance testing.
• Ripple Current Performance — Specified ripple handling of 870 mA at 120 Hz and 1.244 A at 50 kHz, supporting both low-frequency and high-frequency ripple environments.
• Acoustic-focused Materials — Selected materials and construction choices intended to support superior acoustic sound for audio equipment designs.
• Package & Mounting — Radial, can-style snap-in terminal configuration for secure PCB mounting in power and audio assemblies; overall size L: 5 × D: 2.2 cm.
• Polarized Construction — Polar capacitor suitable for common DC power rail applications where polarity is defined.
• Environmental Compliance — Compliant with the RoHS directive (2011/65/EU, (EU)2015/863).

Typical Applications

• Audio Equipment — Power supply filtering and energy storage in amplifiers and audio subsystems where selected materials help preserve acoustic characteristics.
• Switching Power Supplies — Bulk filtering and ripple suppression on high-voltage rails in switch-mode power supplies for industrial and consumer electronics.
• General Purpose Power Electronics — High-voltage DC bus smoothing and decoupling in power conversion and control circuits.

Unique Advantages

• High-voltage capability: 450 V rating enables use on elevated DC rails without series stacking.
• High-temperature reliability: Endurance rating of 2000 hours at 105°C provides predictable life performance in hot operating environments.
• Frequency-flexible ripple handling: Defined ripple current values at 120 Hz and 50 kHz support both mains-frequency and high-frequency switching applications.
• Audio-focused material selection: Material choices targeted to acoustic performance offer designers an electrolytic option tuned for audio applications.
• Robust mounting: Snap-in, radial can package provides secure mechanical retention for high-vibration or high-stress assemblies.
• Regulatory compliance: RoHS conformity supports designs targeting restricted-substance compliance.

Why Choose LKX2W181MESZ50?

LKX2W181MESZ50 positions itself as a high-voltage, high-temperature electrolytic solution for designers who need reliable bulk capacitance in audio and power supply applications. Its combination of 450 V rating, 180 µF capacitance, defined ripple current performance, and 105°C endurance makes it well suited for demanding DC bus filtering and energy-storage roles.

This part is appropriate for engineers specifying components for long-life, high-temperature systems where predictable end-of-life behavior and RoHS compliance are important considerations.

If you need availability, lead-time or a formal quote for LKX2W181MESZ50, request a quote or submit an inquiry to obtain pricing and ordering information.