UCY2E221MHD3

The UCY2E221MHD3 from Nichicon is a miniature, high-reliability aluminum electrolytic capacitor in the UCY series. It is a polarized, radial-lead component designed for applications that require high ripple current handling and extended operating life.

Engineered for demanding power applications, this part offers a 220 µF capacitance at 250 V with AEC-Q200 qualification and RoHS compliance, making it suitable for automotive electronics, power supplies and ballast applications that require robust performance across a wide temperature range.

Key Features

• Capacitance & Tolerance — 220 µF nominal with a tolerance of -20% to +20% at 120 Hz, 20°C, suitable for bulk filtering and energy storage.
• Rated Voltage — 250 V DC rating for higher-voltage power rails and industrial supply circuits.
• High Ripple Current — Low-frequency ripple current of 1.16 A at 120 Hz and high-frequency ripple current of 2.32 A at 100 kHz, supporting demanding AC ripple conditions.
• Long Life — Rated for 12,000 hours at 105°C under specified load life conditions, enabling extended service in high-temperature environments.
• Wide Operating Temperature Range — Operates from -40°C to +105°C for compatibility with temperature-varying environments.
• Loss Factor — tan δ (DF) of 0.2 (measured at 20°C, 120 Hz), indicating controlled dissipation for stable performance.
• Leakage Current — Specified leakage current of 2,300 µA after rated voltage application, useful for design margining.
• Compact Radial Package — Can-style radial package, size φ18 × 30.5 mm, lead spacing 7.5 mm (±0.5 mm), available in bulk or bag packing.
• Qualification & Compliance — AEC-Q200 qualified and RoHS compliant, supporting regulated and automotive-focused design flows.

Typical Applications

• Power Supplies — Filtering and smoothing in AC/DC and DC/DC converters where high ripple current capability improves stability and lifetime.
• Ballasts and Lighting — Suited for ballast application requirements that demand high ripple tolerance and long operational life.
• Automotive Electronics — Applicable to automotive systems that require AEC-Q200-qualified components with wide temperature range and extended endurance.
• Industrial Power Modules — Energy storage and decoupling in industrial power modules operating under elevated temperatures and heavy ripple stress.

Unique Advantages

• High ripple handling: Specified ripple currents of 1.16 A (120 Hz) and 2.32 A (100 kHz) allow the capacitor to support high-stress power circuits without premature degradation.
• Extended high-temperature life: 12,000-hour endurance at 105°C provides predictable long-term performance in thermal environments.
• Automotive-ready qualification: AEC-Q200 rating enables use in designs targeting automotive electronics and other regulated markets.
• Compact radial form factor: φ18 × 30.5 mm can with 7.5 mm lead spacing offers a space-efficient solution for through-hole layouts.
• Regulatory compliance: RoHS conformity supports deployment in markets with environmental substance restrictions.
• Controlled electrical losses: tan δ of 0.2 at 120 Hz helps maintain stable dissipation characteristics across operating conditions.

Why Choose UCY2E221MHD3?

UCY2E221MHD3 delivers a balance of high ripple capability, long operational life at elevated temperature, and compact radial packaging—qualities that address the needs of engineers designing robust power and automotive electronics. Its AEC-Q200 qualification and RoHS compliance make it a practical choice for regulated applications.

Choose this Nichicon UCY-series capacitor when you need a proven, specification-driven component for filtering, smoothing, and energy storage in environments that demand durability, temperature resilience, and consistent electrical performance over time.

Request a quote or contact sales to discuss pricing, lead times, and volume availability for UCY2E221MHD3.