UKL2A221MHD

The UKL2A221MHD is an aluminum electrolytic capacitor from the UKL series, designed for low leakage current in a radial lead (can) package. It provides 220 µF nominal capacitance at a 100 V rated voltage and is specified for audio applications.

Key attributes include a measured leakage current of 44 µA, rated ripple current of 580 mA at 120 Hz and 870 mA at 10 kHz, and an endurance rating of 2000 hours at 85°C. The part is RoHS compliant and supplied in bulk or bag packing.

Key Features

• Capacitance & Voltage — 220 µF nominal capacitance with a tolerance of ±20% and a rated voltage of 100 V.
• Low Leakage Current — Specified leakage current of 44 µA, consistent with the UKL low leakage current series characteristics.
• Ripple Current Performance — Low-frequency ripple current: 580 mA at 120 Hz; high-frequency ripple current: 870 mA at 10 kHz.
• Endurance & Temperature Range — Life rating of 2000 hours at 85°C with an operating temperature range of −40°C to +85°C.
• Package & Mounting — Radial lead (can) package, physical size φ16 × 25 mm, lead spacing 7.5 mm with ±0.5 mm tolerance for through-hole assembly.
• Polarized — Electrolytic, polarized component for proper DC orientation in circuits.
• Regulatory & Packaging — RoHS compliant; available in Bulk (No Terminal Forming) or Bag Packing.

Typical Applications

• Audio equipment power rails — Suited for smoothing and bulk energy storage on supply rails in audio electronics.
• Amplifier supply decoupling — Used where low leakage and stable capacitance help maintain amplifier bias and performance.
• Consumer and professional audio devices — Applicable for repairs, maintenance, or replacements in existing audio product designs.

Unique Advantages

• Low standby losses: The 44 µA leakage current helps minimize passive power draw in standby and bias circuits.
• High voltage capability: 100 V rating supports higher-voltage audio and analog circuitry without up-rating multiple capacitors in series.
• Frequency-aware ripple handling: Specified ripple current at both 120 Hz and 10 kHz provides predictable performance across low and high frequency ripple conditions.
• Through-hole convenience: Radial lead, φ16 × 25 mm can package and 7.5 mm lead spacing simplify integration into through-hole assemblies and repair workflows.
• Durability at elevated temperature: 2000 hours endurance at 85°C supports applications exposed to sustained elevated operating temperatures.
• RoHS compliant & packaged for production: Conforms to RoHS and is offered in bulk or bag packing for production and service needs.

Why Choose UKL2A221MHD?

UKL2A221MHD delivers a combination of high-voltage rating, low leakage, and defined ripple current performance in a compact radial-leaded can—attributes that are directly relevant to audio circuit power and decoupling requirements. Its 2000-hour endurance at 85°C and RoHS compliance make it suitable for service, repair, and existing-design maintenance where this specific form factor and electrical profile are required.

Note: This product is listed as End Of Life. It is appropriate for replacement and repair scenarios or for designs that require the exact electrical and mechanical characteristics provided by this part.

Request a quote or submit an inquiry to obtain current pricing and availability for UKL2A221MHD.