UKA1V220MDD

The UKA1V220MDD is a radial, aluminum electrolytic capacitor from Nichicon’s UKA series, engineered for high‑grade audio equipment and systems requiring stable performance across a wide temperature range. This polarized can‑type capacitor pairs a 35 V rated voltage with a 220 µF capacitance and ±20% tolerance (measured at 120 Hz, 20°C).

Key value propositions include wide operating temperature capability (–55°C to +105°C), rated ripple handling for audio power rails, and endurance validated at elevated temperature (2000 hours at 105°C), making it suitable for demanding audio applications where reliability and compact size matter.

Key Features

• Electrical Performance — Rated voltage 35 V and capacitance 220 µF with ±20% tolerance at 120 Hz, 20°C, for bulk energy storage and decoupling in audio power circuits.
• Loss & Leakage — Tangent of loss angle (tan δ) of 0.16 (measured at 120 Hz, 20°C) and specified leakage currents (231 µA after 1 minute and 77 µA after 2 minutes at 20°C) for predictable low‑frequency performance.
• Ripple Handling — Rated ripple current of 260 mArms at 105°C / 120 Hz to support audio power supply filtering and smoothing under load.
• Thermal & Reliability — Operating temperature range from –55°C to +105°C and endurance tested to 2000 hours at 105°C, providing long‑term stability in thermally challenging environments.
• Mechanical & Packaging — Compact radial can package, case size φ8×11.5 mm, lead spacing 2 mm (±0.5 mm), radial lead mounting; supplied in bulk (bag) packing with no terminal forming.
• Qualification — Listed rating: AEC‑Q200.

Typical Applications

• Professional audio power supplies — Bulk energy storage and filtering to smooth supply rails for amplifiers and mixers operating up to 35 V.
• Audio amplifier decoupling — Local decoupling and reservoir capacitance for amplifier stages and preamplifiers where low tan δ and controlled leakage matter.
• High‑grade consumer audio equipment — Compact radial can format that fits constrained PCB layouts while meeting endurance and temperature requirements for long service life.

Unique Advantages

• Wide operating temperature span — –55°C to +105°C rating supports consistent performance in both cold‑start and elevated ambient conditions.
• Designed for audio systems — Part of Nichicon’s UKA series targeted at high‑grade audio, combining capacitance, ripple capability, and low loss for audible performance considerations.
• High ripple capability at elevated temperature — 260 mArms rating at 105°C / 120 Hz enables robust filtering on audio power rails under sustained load.
• Compact radial package — φ8×11.5 mm can and 2 mm lead spacing provide a small footprint for dense board layouts.
• Endurance‑tested — Qualified for 2000 hours at 105°C, supporting long‑term reliability targets in product designs.
• AEC‑Q200 listed — Recognition in the product data for AEC‑Q200 provides an additional qualification reference for designs requiring that rating.

Why Choose UKA1V220MDD?

The UKA1V220MDD is positioned for designers of high‑grade audio equipment who need a compact, reliable aluminum electrolytic capacitor with verified endurance and temperature performance. Its combination of 35 V rating, 220 µF capacitance, controlled loss (tan δ 0.16), and 260 mArms ripple capability at 105°C makes it suitable for power supply smoothing, decoupling, and other audio system applications where stability and longevity are important.

Manufactured as part of Nichicon’s UKA series, this capacitor delivers spec‑driven performance for engineers balancing size, thermal tolerance, and ripple demands in audio designs.

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