UVK1A221MDD

The UVK1A221MDD is a miniature aluminum electrolytic capacitor from Nichicon's UVK series, configured as a radial-lead, polarized device. It provides 220 µF capacitance at a 10 V rating in a compact φ5 × 11 mm can, designed for general-purpose electronic circuits.

Engineers will find a combination of space-efficient packaging, defined ripple-current capability, and a broad operating temperature range suited to a variety of standard electronic applications.

Key Features

• Capacitance & Voltage — 220 µF nominal capacitance with a 10 V rated voltage and ±20% tolerance at 120 Hz, 20°C.
• Miniature Radial Package — Compact radial-lead can with dimensions φ5 × 11 mm and 2.0 mm lead spacing (±0.5 mm) for space-constrained PCBs.
• Loss Factor (tan δ) — tan δ of 0.24 measured at 20°C, 120 Hz, providing a characterized dissipation factor for frequency-sensitive designs.
• Ripple Current Capability — Low-frequency ripple current 220 mA (120 Hz) and high-frequency ripple current 330 mA (10 kHz) to support filtering and smoothing tasks across frequency ranges.
• Leakage Current — Specified leakage current of 66 µA for predictable standby behavior after voltage application.
• Endurance & Temperature Range — Rated for 2,000 hours at 85°C and an operating temperature range of −40°C to +85°C.
• Mounting & Polarity — Polarized radial-lead mounting type for through-hole assembly; available in bulk or bag packing (no terminal forming).
• Environmental Compliance — RoHS compliant.

Typical Applications

• General-purpose electronic circuits — Provides bulk capacitance in compact radial-lead form factor for a wide range of standard circuitry that specifies 220 µF at 10 V.
• Power supply smoothing — Used where defined low- and high-frequency ripple current capability (220 mA / 330 mA) is required for filtering and decoupling in space-limited layouts.
• Board-level replacements and repairs — Straightforward radial-lead package and common size simplify installation and service in legacy or compact assemblies.

Unique Advantages

• Compact footprint — φ5 × 11 mm can and 2.0 mm lead spacing enable high-density board layouts without sacrificing capacitance.
• Measured dissipation factor — tan δ = 0.24 at 120 Hz and 20°C gives designers a clear, verifiable parameter for AC loss budgeting.
• Frequency-range ripple capability — Rated ripple currents at both 120 Hz and 10 kHz let you assess performance across typical low- and high-frequency conditions.
• Predictable leakage behavior — Specified leakage current of 66 µA supports designs that require stable standby current characteristics.
• Thermal endurance — 2,000-hour rating at 85°C documents longevity for sustained elevated-temperature operation within the specified range.
• Regulatory readiness — RoHS compliance for environmentally constrained product requirements.

Why Choose UVK1A221MDD?

UVK1A221MDD positions itself as a compact, general-purpose aluminum electrolytic capacitor with clearly specified electrical and mechanical parameters. Its combination of 220 µF at 10 V, measurable dissipation factor, defined ripple-current ratings, and a miniature radial can make it a practical option for engineers specifying reliable bulk capacitance in space-limited, through-hole designs.

This part is suited to projects and repairs that demand documented endurance (2,000 hours at 85°C), a broad operating temperature window (−40°C to +85°C), and straightforward mounting. The RoHS compliance and standard packing options support procurement and assembly workflows for production and maintenance environments.

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