UCD2A331MNQ1MS

The UCD2A331MNQ1MS is a chip‑type, low‑impedance aluminum electrolytic capacitor designed for surface mounting on high‑density PC boards. It provides 330 µF capacitance at a 100 V rating with characteristics aimed at power filtering and decoupling in demanding environments.

Engineered for reliability, the part supports operation from -55 °C to 105 °C, carries AEC‑Q200 qualification, and is supplied in embossed carrier tape for automated assembly—making it suitable for automotive and other high‑reliability SMD applications.

Key Features

• Core Electricals  330 µF capacitance with a 100 V rated voltage and ±20% tolerance at 120 Hz, 20 °C.
• Low Impedance Performance  Chip‑type, low‑impedance construction with specified tan δ (DF) of 0.07 at 100 V, 120 Hz, 20 °C—optimized for stable AC performance.
• Ripple Handling  Rated ripple currents of 458.5 mA at 120 Hz and 917 mA at 10 kHz provide defined AC endurance for filtering and smoothing tasks.
• Leakage and Loss  Specified leakage current of 330 µA and loss tangent limits help maintain predictable standby and dynamic behavior.
• Thermal and Lifetime  Operates from -55 °C to 105 °C with an endurance specification of 5000 hours at 105 °C for applicable sizes and voltages.
• Automotive Qualification & Compliance  AEC‑Q200 qualified and RoHS‑compliant for regulated supply chains and automotive electronics use.
• Surface‑Mount Packaging  Radial can SMD package sized φ18 × 16.5 mm (L × D) with embossed carrier taping for pick‑and‑place compatibility.

Typical Applications

• Automotive electronic systems  Designed for use in automotive modules requiring AEC‑Q200 qualification and stable capacitance over temperature and time.
• High‑density surface‑mount PCBs  Chip‑type SMD package and embossed carrier tape accommodate automated assembly on compact, densely populated boards.
• Power filtering and decoupling  Low impedance and specified ripple currents support DC‑DC converter output smoothing and power rail stabilization.

Unique Advantages

• Low‑impedance chip construction: Delivers reduced AC impedance and stable loss characteristics (tan δ specified) for improved power filtering.
• High voltage capability: 100 V rating expands design flexibility where higher DC bus voltages are required.
• Defined ripple performance: Explicit low‑ and high‑frequency ripple current ratings help engineers size capacitors for real‑world filtering loads.
• Automated assembly ready: Supplied in embossed carrier tape and optimized for surface mounting to streamline high‑volume production.
• Wide temperature and long endurance: −55 °C to 105 °C operation and 5000 h endurance at 105 °C support demanding duty cycles and longevity requirements.
• Quality and compliance: AEC‑Q200 qualification and RoHS compliance provide traceable suitability for regulated and automotive supply chains.

Why Choose UCD2A331MNQ1MS?

The UCD2A331MNQ1MS combines a high 100 V rating with 330 µF capacitance in a chip‑type SMD can engineered for low impedance and predictable AC performance. Its specified ripple currents, low leakage, and low loss tangent make it suited to engineers designing power rails and filtering stages that require stable behavior across temperature and frequency.

With AEC‑Q200 qualification, RoHS compliance, embossed carrier tape packaging, and a 5000‑hour endurance at 105 °C for applicable conditions, this capacitor targets teams building reliable, high‑density electronics where long‑term robustness and automated assembly compatibility are priorities.

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