LKX2E681MESB35

The LKX2E681MESB35 is a snap-in terminal aluminum electrolytic capacitor from Nichicon’s LKX series, rated at 680 µF and 250 V. Engineered for audio equipment and switching power supplies, it combines high-temperature endurance and audio-optimized materials for reliable power filtering in demanding applications.

Designed for general-purpose power decoupling and smoothing, this polarized snap-in capacitor delivers specified ripple handling and a wide operating temperature range to support stable performance in electronic systems.

Key Features

• Capacitance & Voltage — 680 µF nominal capacitance with a 250 V rated voltage and ±20% tolerance, suitable for bulk and smoothing applications.
• High-temperature endurance — Rated for operation from −40 °C to +105 °C with a specified lifetime of 2000 hours at 105 °C under rated conditions.
• Snap-in radial can package — Snap-in terminal mounting in a radial can package for secure PCB installation and mechanical stability.
• Ripple current capability — Specified ripple handling of 1.7 A at 120 Hz and 2.55 A at 50 kHz to support switching power supply environments.
• Audio-optimized materials — Selected materials intended to achieve superior acoustic sound, specifically called out for audio equipment use.
• Polarized, general-purpose use — Polarized electrolytic design for general-purpose power filtering and energy storage.
• RoHS compliant — Meets the RoHS directive (2011/65/EU, (EU)2015/863) for restricted substances.
• Clear identification — Marked with gold color lettering on a black sleeve for easy identification on the assembly line.

Typical Applications

• Audio Equipment — Bulk filtering and power rail smoothing in audio amplifiers and audio-grade switching supplies where material selection contributes to acoustic performance.
• Switching Power Supplies — Input/output decoupling and energy storage to support stable operation of switching regulators and converters.
• General Purpose Power Filtering — General-purpose smoothing and decoupling across electronic equipment requiring polarized electrolytic capacitance and elevated temperature tolerance.

Unique Advantages

• Audio-focused acoustic tuning: Selected materials are specified to achieve superior acoustic sound, addressing audio equipment design requirements.
• Elevated temperature reliability: Rated for −40 °C to +105 °C and endurance tested for 2000 hours at 105 °C, supporting long-term operation in warm environments.
• Robust ripple handling: Defined ripple current ratings of 1.7 A (120 Hz) and 2.55 A (50 kHz) help maintain performance in switching environments.
• Secure snap-in mounting: Snap-in radial can package provides mechanically stable PCB installation for through-hole assemblies.
• Regulatory compliance: RoHS conformity supports selection for designs requiring restricted-substance compliance.
• Easy identification: Gold lettering on a black sleeve enables quick visual identification during assembly and inspection.

Why Choose LKX2E681MESB35?

The LKX2E681MESB35 positions itself as a durable, audio-oriented aluminum electrolytic capacitor for engineers specifying reliable bulk capacitance and ripple performance in switching power supplies and audio equipment. Its combination of 680 µF at 250 V, elevated temperature rating, and defined ripple current figures make it suitable for designs that require stable power filtering under thermal stress.

Ideal for applications where both acoustic considerations and electrical endurance matter, this capacitor delivers verifiable specifications for lifetime and temperature performance while remaining RoHS compliant—supporting consistent long-term operation in production systems.

Request a quote or submit an inquiry for pricing and availability to receive lead-time and ordering information for LKX2E681MESB35.