LKX2E471MESB25

The LKX2E471MESB25 from Nichicon is a snap-in terminal aluminum electrolytic capacitor in the LKX series, specified at 470 µF and 250 V. Engineered for audio equipment and use in switching power supplies, this capacitor combines a 105°C rated operating temperature with materials selected to achieve superior acoustic sound.

Designed for general-purpose power filtering and smoothing, the part offers polarized snap-in mounting in a radial can package and is RoHS compliant.

Key Features

• Capacitance & Voltage — 470 µF nominal capacitance with a 250 V rated voltage, suitable for bulk energy storage and smoothing in power circuits.
• High Temperature Endurance — Rated for operation from −40°C to +105°C with an endurance life of 2000 hours at 105°C under DC bias plus rated ripple current.
• Acoustic-Optimized Materials — Selected materials targeted to achieve superior acoustic sound for audio applications.
• Ripple Current Performance — Rated ripple current values include 1.4 A at 120 Hz and 2.1 A at 50 kHz, supporting both low- and high-frequency ripple conditions.
• Mounting & Package — Snap-in terminal, radial can (snap-in) package for secure PCB installation; physical size L: 2.5 × D: 3 cm with a seated height of 2.5 cm.
• Tolerance & Polarity — Capacitance tolerance of −20% to +20% and polarized device construction.
• Regulatory — Compliant with the RoHS directive (2011/65/EU, (EU)2015/863).

Typical Applications

• Audio Equipment — Used where acoustic performance is important; materials and construction are selected to support superior sound quality in audio power circuits.
• Switching Power Supplies — Bulk smoothing and energy storage for regulated rails in switching topologies, leveraging rated voltage and ripple handling.
• General-Purpose Power Filtering — Smoothing and decoupling in a wide range of electronic equipment where a 250 V polarized capacitor is required.

Unique Advantages

• High-Temperature Reliability: Endurance specified at 2000 hours at 105°C under rated conditions, providing predictable aging for designs with elevated operating temperatures.
• Audio-Focused Material Selection: Materials are chosen to support acoustic performance, making the part well suited for audio-focused power stages.
• Dual-Frequency Ripple Capability: Published ripple current values at 120 Hz and 50 kHz support both mains-frequency and high-frequency switching environments.
• Secure Snap-In Mounting: Radial snap-in can package provides robust mechanical retention for through-board power components.
• RoHS Compliance: Conforms to RoHS directives, facilitating use in regulated product lines.
• Compact Footprint: A 2.5 × 3 cm footprint with snap-in terminals offers a space-efficient solution for PCB power sections.

Why Choose LKX2E471MESB25?

The LKX2E471MESB25 is positioned for designers who need a 470 µF, 250 V polarized capacitor that balances audio-oriented material selection with power-system robustness. Its 105°C rating and 2000-hour endurance provide a clear specification for thermal reliability, while published ripple current figures help designers size components against both low- and high-frequency ripple stress.

Ideal for equipment designers focused on audio performance and switching power supply stability, this Nichicon LKX series part brings predictable electrical characteristics, a compact snap-in package, and RoHS compliance to long-term production designs.

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