UCYW6680MHD

The UCYW6680MHD is a miniature-sized aluminum electrolytic capacitor from Nichicon's UCY series, offered in a radial-lead can package. It delivers high ripple-current capability and long operating life for demanding power applications.

Engineered for power-supply and ballast applications and qualified to AEC-Q200, this capacitor is RoHS compliant and specified to operate from –40°C to +105°C with endurance up to 12,000 hours at +105°C.

Key Features

• Electrolytic core and package: Aluminum electrolytic construction in a radial, can-style package with radial lead mounting for through-hole PCB assemblies.
• Capacitance & rated voltage: 68 µF nominal capacitance with a 420 V rated voltage and ±20% tolerance at 120 Hz, 20°C.
• High ripple current: Rated ripple current of 645 mA at 120 Hz and 1.29 A at 100 kHz; frequency coefficient data is available to scale ripple current with frequency.
• Extended life at elevated temperature: Specified endurance of 12,000 hours at +105°C under DC bias plus rated ripple current (10,000 hours for certain shorter lengths), supporting prolonged service in hot environments.
• Operating temperature range: –40°C to +105°C, suitable for a wide range of thermal conditions in electronic systems.
• Reliability and loss characteristics: AEC-Q200 qualified and RoHS compliant; datasheet specifies leakage current limits (≤ 0.04CV + 100 µA after 1 minute at 20°C) and tan δ limits for rated voltages.
• Mechanical dimensions: Compact footprint with dimensions L: 3.05 × D: 1.6 cm, lead spacing 7.5 mm, and radial lead mounting for through-hole assembly.
• Polarized design: Polarized capacitor suitable for DC applications where polarity is defined.

Typical Applications

• Power supplies: Smoothing and bulk energy storage where high ripple current and long life at elevated temperature are required.
• Ballasts and lighting electronics: Filtering and ripple handling in ballast circuits and related lighting power modules.
• Automotive electronics: Electronics modules requiring AEC-Q200 qualification and robust performance across –40°C to +105°C operating range.

Unique Advantages

• Durable high-temperature life: Endurance specified up to 12,000 hours at +105°C supports long service intervals in thermally stressed designs.
• High ripple capability: Explicit ripple current ratings at both low and high frequencies enable selection for high-duty power circuits and switching environments.
• Automotive-grade qualification: AEC-Q200 qualification provides a defined reliability baseline for automotive and similarly demanding applications.
• Compact radial package: Small can dimensions and 7.5 mm lead spacing permit high-density through-hole layouts while preserving required capacitance and ripple handling.
• Measured electrical limits: Datasheet-specified leakage current and tan δ limits allow predictable electrical performance and screening during design validation.
• Regulatory compliance: RoHS compliance supports use in markets and projects with restricted substance requirements.

Why Choose UCYW6680MHD?

The UCYW6680MHD combines a proven aluminum electrolytic design with high ripple capability and an extended life rating at +105°C, making it well suited for power-dense applications such as power supplies, ballasts, and automotive electronic modules. Its radial can package and compact footprint simplify through-hole integration where reliable bulk capacitance is required.

Backed by Nichicon's UCY series specifications—including defined leakage, loss, and frequency-dependent ripple data—this part offers predictable electrical behavior and longevity for designs that demand durable, high-current filtering and energy storage.

Request a quote or submit an RFQ to obtain pricing, availability, and lead-time information for the UCYW6680MHD.