LKX2D221MESY25

The LKX2D221MESY25 is a Nichicon LKX series aluminum electrolytic capacitor in a snap‑in radial can package, rated 220 µF at 200 V. It is engineered for audio equipment and switching power supply applications where high operating temperature and reliable ripple handling are required.

Designed from selected materials to achieve superior acoustic sound and built to a 105°C standard, this polarized capacitor offers a rugged option for general‑purpose power filtering and bulk energy storage in demanding environments. The device is RoHS compliant.

Key Features

• Capacitance & Voltage — 220 µF nominal capacitance at a 200 V rated voltage, with capacitance tolerance of ±20% (120 Hz, 20°C).
• High‑temperature endurance — Rated for operation to 105°C and specified for 2000 hours endurance at 105°C under D.C. bias plus rated ripple current.
• Snap‑in radial can package — Snap‑in terminals for secure board mounting in power assemblies; available in a compact 20 × 25 mm can size.
• Audio‑focused materials — Selected materials and construction optimized to support superior acoustic sound in audio equipment applications.
• Ripple current performance — Rated ripple current of 0.90 A (Arms) at the part’s nominal size; datasheet frequency coefficients indicate increased ripple capability at higher frequencies (e.g., 1.50× at 50 kHz for 200–250 V series).
• Electrical characteristics — Polarized electrolytic capacitor with specified tan δ of 0.15 and leakage current limits per datasheet test conditions.
• RoHS compliance — Conforms to RoHS directive (2011/65/EU, (EU)2015/863).

Typical Applications

• Audio equipment — Bulk energy storage and smoothing in amplifier and audio power circuits where selected materials help preserve acoustic quality.
• Switching power supplies — Bulk filtering and energy buffering at 200 V systems, supporting reliable operation in rectifier and regulator stages.
• General‑purpose power filtering — Wide use in industrial and consumer power electronics requiring polarized electrolytic capacitors with high temperature capability.

Unique Advantages

• Audio‑optimized construction: Selected materials and LKX series design target improved acoustic performance for audio equipment.
• High‑temperature reliability: Rated to 105°C with 2000 hours endurance under rated conditions, providing stable performance in elevated temperature applications.
• Robust mounting: Snap‑in terminal design delivers secure, serviceable board attachment for power modules and chassis assemblies.
• Compact high‑voltage solution: 220 µF at 200 V in a 20 × 25 mm can size provides a space‑efficient option for high‑voltage bulk capacitance.
• Good ripple handling: Rated ripple current of 0.90 A (Arms) with favorable frequency coefficients for higher‑frequency ripple environments.
• Regulatory compliance: RoHS compliant for use in designs requiring restricted‑substance conformity.

Why Choose LKX2D221MESY25?

The LKX2D221MESY25 combines a high‑voltage, high‑capacitance profile with audio‑oriented material selection and 105°C endurance, making it a practical choice for designers of audio equipment, switching power supplies, and general power electronics. Its snap‑in radial package and documented ripple and endurance specifications enable confident integration into power modules and chassis assemblies.

Engineered by Nichicon as part of the LKX series, this capacitor is aimed at applications that require reliable high‑temperature operation, predictable ripple performance, and attention to acoustic characteristics. It is suited for engineers and procurement teams specifying polarized electrolytic solutions for medium‑voltage, high‑temperature designs.

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