LKX2D122MESB45

The LKX2D122MESB45 is a Nichicon LKX series snap-in aluminum electrolytic capacitor designed for audio equipment and switching power supplies. It delivers 1.2 mF capacitance at a 200 V rating and is built for elevated operating conditions up to 105°C.

Engineered with selected materials for superior acoustic sound, this polarized, snap-in radial can capacitor targets general-purpose power filtering and audio-specific applications where high temperature endurance and stable ripple handling are required.

Key Features

• Capacitance & Voltage — 1.2 mF nominal capacitance with a 200 V rated voltage for bulk energy storage and filtering in power rails.
• High-Temperature Performance — Rated for operation from −40°C to +105°C with an endurance specification of 2000 hours at 105°C under DC bias plus rated ripple current.
• Snap-In Radial Can — Snap-in mounting type and radial, can-style package for secure chassis or PCB mounting in power assemblies.
• Ripple Current Capability — Designed for ripple handling: 2.65 A at 120 Hz (low frequency) and 3.975 A at 50 kHz (high frequency) for robust decoupling in switching supplies.
• Audio-Oriented Materials — Selected materials and construction intended to achieve superior acoustic sound for audio equipment applications.
• Capacitance Tolerance & Polarity — Tolerance of −20% to +20% and polarized construction suitable for standard electrolytic capacitor use cases.
• RoHS Compliance — Compliant with RoHS directive (2011/65/EU, (EU)2015/863).
• Identification — Marked with gold-colored letters on a black sleeve for easy visual identification.

Typical Applications

• Switching Power Supplies — Bulk smoothing and ripple suppression in switch-mode power supplies for audio and general-purpose equipment, supported by rated ripple current and 105°C endurance.
• Audio Amplifiers and Equipment — Power supply filtering where selected materials and construction contribute to superior acoustic sound quality.
• Industrial Power Modules — High-temperature-capable bulk capacitance for industrial power electronics operating up to 105°C.

Unique Advantages

• High-Temperature Endurance: 2000 hours at 105°C under rated conditions provides predictable life and stability in hot operating environments.
• Designed for Audio Performance: Material selection and series-level design emphasis on acoustic sound help maintain audio fidelity when used in audio power supplies.
• Robust Ripple Handling: Specified ripple current values at both low (120 Hz) and high (50 kHz) frequencies support a range of switching and audio power scenarios.
• Secure Snap-In Mounting: Snap-in radial can package enables reliable mechanical retention for chassis or power module assemblies.
• Regulatory Compliance: RoHS compliance supports use in designs requiring restricted substance conformity.
• Clear Identification: Gold-on-black sleeve marking simplifies assembly and inspection processes.

Why Choose LKX2D122MESB45?

The LKX2D122MESB45 combines high-capacitance energy storage with a 200 V rating and elevated temperature endurance to serve demanding power filtering roles in audio and general-purpose switching power supplies. Its snap-in radial can form factor and audible-focused material choices make it well suited for designers balancing thermal resilience with audio performance considerations.

This capacitor is appropriate for engineers and procurement teams specifying reliable bulk capacitance in high-temperature environments, offering verifiable specs for ripple current, temperature range, tolerance, and lifecycle characteristics from the LKX series.

Request a quote or contact our sales team to discuss availability, lead times, and ordering for LKX2D122MESB45.