UKW1C221MED

The UKW1C221MED is a radial-lead aluminum electrolytic capacitor from Nichicon’s UKW series, specifically developed for audio and AV equipment. It provides 220 µF capacitance at a 16 V rating with polarized orientation and is designed for applications that require balanced audio performance and reliable ripple handling.

Built on the UKW series electrolyte formulation that emphasizes sound quality, this part offers a compact φ6.3 × 11 mm can, defined ripple current capability across low and high frequencies, and a 2000-hour endurance rating at 85°C. Note: this part is designated End Of Life.

Key Features

• Capacitance & Voltage — 220 µF nominal capacitance rated at 16 V with ±20% tolerance for power decoupling and coupling in audio circuits.
• Audio-Optimized Electrolyte — Part of the UKW series, formulated to realize a harmonious balance of sound quality and suited for AV/audio equipment.
• Frequency & Loss Characteristics — tan δ of 0.20 measured at 20°C and 120 Hz, supporting predictable AC loss behavior in audio-frequency applications.
• Ripple Current Performance — 250 mA at 120 Hz (low frequency) and 375 mA at 10 kHz (high frequency) to manage ripple in power stages and signal paths.
• Endurance & Leakage — Rated for 2000 hours at 85°C; measured leakage current specified at 105.6 µA to support long-term stability after voltage application.
• Mechanical & Mounting — Radial lead, can-style package with φ6.3 × 11 mm dimensions and 2.5 mm lead spacing (±0.5 mm), supplied in bulk/bag packing for through-hole assembly.
• Operating Range & Compliance — Operating temperature range −40°C to +85°C and RoHS compliant.

Typical Applications

• Consumer Audio Equipment — Decoupling and coupling in preamplifiers, tone stages, and other AV circuits where audio quality is important.
• AV Electronics — Power-supply smoothing and ripple control in amplifiers and receiver modules for stable audio performance.
• Signal Path Filtering — Use in analog filtering and bypass applications where controlled loss (tan δ) and reliable leakage behavior are required.

Unique Advantages

• Audio-tuned Electrolyte — The UKW series formulation is described as delivering a harmonious balance of sound quality, making the capacitor suited to AV/audio designs.
• Balanced Ripple Handling — Specified ripple current values at both 120 Hz and 10 kHz provide designers with predictable performance across audio and higher-frequency power conditions.
• Compact Through-Hole Form Factor — φ6.3 × 11 mm radial can with 2.5 mm lead spacing enables space-conscious through-hole layouts while retaining through-hole mounting robustness.
• Defined Endurance — 2000-hour rating at 85°C offers a clear specification for lifetime planning in thermal environments up to the part’s maximum operating temperature.
• RoHS Compliant — Complies with RoHS requirements for use in regulated markets and assemblies.

Why Choose UKW1C221MED?

The UKW1C221MED combines a compact radial-can package and audio-focused electrolyte properties with clearly specified electrical and endurance characteristics. Its 220 µF/16 V rating, controlled tan δ, and multi-frequency ripple performance make it a practical choice for designers addressing power decoupling and signal-path conditioning in AV and consumer audio equipment.

This part suits engineers and procurement teams seeking a documented, audio-oriented electrolytic solution with defined lifetime and leakage specifications. As an RoHS-compliant Nichicon UKW-series capacitor, it maps directly to designs that prioritize balanced audio performance and predictable ripple behavior.

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