UCM2A331MNS1MS

The UCM2A331MNS1MS is a surface-mount aluminum electrolytic capacitor in Nichicon’s UCM series, designed as a low-impedance chip-type device. With a 330 µF capacitance at a 100 V rating and a broad operating temperature range of −55 °C to +105 °C, it addresses demanding power filtering and energy storage needs in AEC‑Q200 qualified designs.

This part features long endurance (5,000 hours at 105 °C), vibration-resistant construction and embossed carrier taping for automated placement, making it suitable for high-reliability, high-voltage SMD assemblies in automotive and other robust electronics applications.

Key Features

• Capacitance & Voltage — 330 µF nominal capacitance with a 100 V rated voltage and ±20% tolerance for high-voltage smoothing and bulk decoupling.
• Low Impedance Chip Type — UCM series low impedance construction for improved ripple performance at both low and high frequencies.
• Ripple Current Handling — Low-frequency ripple current of 835 mA at 120 Hz and high-frequency ripple current of 1.67 A at 10 kHz to support dynamic power demands.
• Loss & Leakage — Tangent of loss angle (tan δ) of 0.07 (measured at 20 °C, 120 Hz) and a specified leakage current of 330 µA.
• Robust Thermal Endurance — Rated for operation from −55 °C to +105 °C with a lifetime of 5,000 hours at 105 °C.
• Automotive-Grade Reliability — AEC‑Q200 qualified, supporting use in automotive-grade electronic designs.
• SMD Package & Assembly — Radial can SMD package (φ18 × 16.5 mm) with embossed carrier taping for automated placement; vibration resistant construction aids reliability in harsh environments.
• RoHS Compliant — Meets RoHS requirements for environmental compliance.

Typical Applications

• Automotive electronic modules — Bulk energy storage and smoothing in AEC‑Q200 qualified in-vehicle power systems where 100 V capability is required.
• Power supply filtering — High-voltage DC bus decoupling and smoothing in power electronics that demand high ripple-current capability and thermal endurance.
• Industrial power electronics — Energy buffering and transient suppression in robust SMD assemblies operating across a wide temperature range.

Unique Advantages

• High-voltage capability: 100 V rating provides headroom for higher-voltage rails and designs that require elevated DC bus voltages.
• Durable, long-life operation: 5,000 hours at 105 °C supports extended lifetime in high-temperature environments.
• Strong ripple performance: Specified ripple currents of 835 mA (120 Hz) and 1.67 A (10 kHz) enable reliable handling of both low- and high-frequency power ripple.
• Automotive-grade qualification: AEC‑Q200 rating supports deployment in automotive electronics requiring standardized reliability.
• Assembly-friendly package: Embossed carrier taping and SMD can package simplify automated placement and throughput on production lines.
• Wide temperature range: −55 °C to +105 °C operation addresses designs exposed to extreme environmental conditions.

Why Choose UCM2A331MNS1MS?

UCM2A331MNS1MS combines a high 100 V rating and 330 µF capacitance with low-impedance chip construction and robust endurance, delivering a reliable SMD solution for demanding power and automotive applications. Its AEC‑Q200 qualification, vibration-resistant design and embossed carrier taping make it well suited to automated assembly and harsh-environment operation.

Choose this part when your design requires high-voltage bulk capacitance with defined ripple handling, long-term thermal endurance, and compliance with automotive reliability standards.

If you would like pricing, availability or a formal quote for UCM2A331MNS1MS, please submit a request or contact our sales team to discuss your requirements and lead times.