LKX2D681MESZ45

The LKX2D681MESZ45 is a polarized aluminum electrolytic capacitor in a snap-in terminal radial can package, designed for audio equipment and switching power supplies. With a rated capacitance of 680 µF at 200 V and an operating temperature range down to –40 °C up to 105 °C, it is specified for demanding general-purpose power applications where sustained performance and acoustic quality matter.

Selected materials and a 105 °C standard-series construction target improved acoustic characteristics for audio systems while offering rated endurance under elevated temperature conditions for reliable power filtering and energy storage.

Key Features

• Capacitance & Voltage: 680 µF nominal capacitance with a 200 V rated voltage and ±20% tolerance (120 Hz, 20 °C), providing substantial energy storage for power supply filtering and decoupling.
• High Temperature Endurance: Rated for operation up to 105 °C with a specified endurance of 2000 hours at 105 °C under DC bias plus rated ripple current, ensuring long-term stability in elevated-temperature environments.
• Acoustic-Optimized Materials: Selected materials to achieve superior acoustic sound, specifically intended for audio equipment applications.
• Snap-In Radial Can Package: Snap-in mounting provides secure mechanical attachment for PCB assembly in power modules and audio enclosures.
• Polarized Electrolytic Construction: Polarized design suitable for DC power circuits and conventional electrolytic applications.
• Ripple Current Capability: Specified ripple current of 1.75 A at 120 Hz and 2.625 A at 50 kHz, supporting both low- and high-frequency ripple conditions in switching supplies.
• Regulatory Compliance: RoHS compliant (2011/65/EU, (EU)2015/863), meeting common environmental directive requirements.
• Compact Footprint: Physical size L: 4.5 × D: 2.2 cm, allowing integration into space-constrained power and audio boards.

Typical Applications

• Audio Equipment: Used in power supply rails and decoupling networks where selected materials and construction contribute to improved acoustic performance.
• Switching Power Supplies: Acts as bulk storage and ripple smoothing in switch-mode power supplies, with rated ripple current values for both low and high frequencies.
• General-Purpose Power Electronics: Suitable for board-level energy storage, filtering, and DC link applications in industrial and consumer electronics within the specified temperature range.

Unique Advantages

• Engineered for Audio Performance: Material selection and 105 °C series construction target better acoustic characteristics for sound-sensitive designs.
• High-Temperature Reliability: 2000-hour endurance at 105 °C under rated conditions supports sustained operation in thermally demanding environments.
• Versatile Ripple Handling: Defined ripple current ratings at 120 Hz and 50 kHz enable use across both low- and high-frequency power stages.
• Secure Snap-In Mounting: Snap-in radial can package simplifies mechanical retention and board-level assembly for power modules.
• Regulatory Readiness: RoHS compliance aligns with global environmental requirements for many electronic systems.
• Compact Energy Density: 680 µF at 200 V in a 4.5 × 2.2 cm package balances capacitance and board space for compact power designs.

Why Choose LKX2D681MESZ45?

The LKX2D681MESZ45 combines a high-capacitance 200 V rating with acoustic-focused materials and a robust 105 °C endurance specification, making it suitable for designers who need reliable energy storage and sound-conscious performance in power and audio systems. Its snap-in radial can package and defined ripple current ratings provide clear integration benefits for switching power supplies and board-level power filtering.

Choose this part when your design requires a balance of capacitance, thermal endurance, and acoustic consideration within a compact, RoHS-compliant electrolytic solution backed by documented endurance and operating-temperature specifications.

If you would like pricing, availability, or a formal quote for LKX2D681MESZ45, please request a quote or contact our sales team with your project requirements and quantities.