UCY2E221MHD

The UCY2E221MHD is an aluminum electrolytic capacitor from Nichicon’s UCY series, engineered for miniature, high-ripple-current, long-life performance in through-hole designs. It is a polarized radial-lead can rated at 220 µF and 250 V, optimized for power supply filtering, ballast circuits and automotive electrical applications.

Key value propositions include high ripple handling at both low and high frequencies, an extended 12,000-hour life at 105°C, AEC‑Q200 qualification, and RoHS compliance—delivering robustness for continuous-duty and elevated-temperature environments.

Key Features

• Capacitance & Voltage — 220 µF rated capacitance at 250 V with ±20% tolerance.
• High Ripple Current — Rated ripple current: 1.295 A at 120 Hz and 2.59 A at 100 kHz to support demanding filtering applications.
• Long Life — Endurance rated for 12,000 hours at 105°C under specified conditions.
• Wide Operating Temperature — −40°C to +105°C for use in harsh and elevated-temperature environments.
• Low Loss — tanδ ≤ 0.20 (measurement frequency 120 Hz, 20°C) for stable performance.
• Leakage Current — Specified leakage current of 2,300 µA.
• Package & Mounting — Radial lead, can package; physical size φ16 × 40 mm with 7.5 mm lead spacing; polarized.
• Qualification & Compliance — AEC‑Q200 rated and RoHS compliant for regulated and automotive designs.

Typical Applications

• Automotive power systems — Energy storage and smoothing in vehicle electronics where AEC‑Q200 qualification is required.
• Power supplies — Bulk filtering and ripple reduction in DC power supplies and converters.
• Lighting ballasts — Designed for ballast applications that demand high ripple current capability and long operational life.
• High-ripple circuits — Local energy buffering and ripple mitigation in circuits exposed to sustained AC or switching stress.

Unique Advantages

• High ripple capability — Clear ripple current ratings at 120 Hz and 100 kHz help manage thermal and electrical stress in high-demand applications.
• Proven endurance — 12,000-hour life at 105°C supports long-term, continuous operation and reduces replacement frequency.
• Automotive-grade qualification — AEC‑Q200 rating supports integration into automotive electronic modules.
• Compact radial package — φ16×40 mm can with 7.5 mm lead spacing enables straightforward through-hole mounting and retrofit in existing board layouts.
• Wide temperature tolerance — −40°C to +105°C operation accommodates installations across harsh temperature ranges.
• Regulatory compliance — RoHS compliance simplifies use in lead-free and regulated designs.

Why Choose UCY2E221MHD?

The UCY2E221MHD combines high ripple-current capability, extended high-temperature life, and AEC‑Q200 qualification in a compact radial can package—making it suitable for power-dense and continuous-duty environments. Its specified ripple currents, low loss tangent, and wide operating temperature range provide concrete, verifiable performance for designers of automotive electronics, power supplies, and ballast systems.

This part is appropriate for engineers and procurement teams seeking a reliable through-hole electrolytic capacitor with defined endurance and compliance characteristics, helping to reduce maintenance cycles and support long-term product reliability.

Request a quote or contact sales to discuss availability, lead times, and pricing for UCY2E221MHD.