UCZ1K331MNQ1MS

The UCZ1K331MNQ1MS is a chip-type aluminum electrolytic surface-mount capacitor designed for high-temperature, high-reliability applications. It combines a 330 µF nominal capacitance with an 80 V rated voltage, optimized for automated assembly and demanding thermal environments.

Built for environments requiring extended endurance and low-temperature ESR performance, this device targets applications where long-term stability, ripple handling and compact SMD packaging are important.

Key Features

• Capacitance & Voltage — 330 µF nominal capacitance with a rated voltage of 80 V and capacitance tolerance of -20% to +20%.
• Thermal and Endurance Performance — Rated for operation from -40°C to +125°C with an endurance specification of 3500 hours at 125°C for the φ16.18 × 16.5L case size.
• Low‑temperature ESR and Loss — ESR of 170 mΩ measured at 20°C/100 kHz and tanδ (DF) of 0.12 at 20°C, 120 Hz, supporting stable performance across temperature extremes.
• Ripple Current Capability — Low-frequency ripple current of 550 mA (120 Hz) and high-frequency ripple current of 1.1 A (10 kHz) for reliable filtering and decoupling under dynamic loads.
• Leakage Current — Specified leakage current of 264 µA for predictable standby and bias behavior.
• Surface-mount, Tape-and-reel Ready — Chip-type SMD package (φ18 × 16.5L; L: 1.65 × D: 1.8 cm) supplied in embossed carrier taping for automated placement.
• Quality and Compliance — AEC-Q200 qualified with RoHS compliance, reflecting suitability for high-reliability electronics environments.

Typical Applications

• Automotive electronics — Provides bulk energy storage and filtering in control modules and power rails where AEC‑Q200 qualification and +125°C endurance are required.
• High-temperature power systems — Suited for power electronics and subsystems that operate at elevated ambient temperatures up to +125°C and need sustained ripple handling.
• Automated surface-mount production — Embossed carrier taping and SMD can-style package enable high-volume automated placement and reflow assembly processes.

Unique Advantages

• High-temperature endurance: 3500 hours at 125°C ensures long-term capacitance stability and reliability in thermal-stressed environments.
• Measured low-temperature ESR: ESR specified at 20°C/100 kHz and low-temperature impedance considerations support consistent performance across temperature extremes.
• Robust ripple handling: Defined low- and high-frequency ripple current ratings (550 mA @120 Hz, 1.1 A @10 kHz) help maintain power integrity under dynamic loads.
• SMD-ready packaging: Embossed carrier taping and a compact chip-type SMD can (φ18 × 16.5L) simplify automated assembly and PCB layout.
• Standards-backed quality: AEC-Q200 qualification and RoHS compliance provide traceable quality attributes for regulated and reliability-focused designs.

Why Choose UCZ1K331MNQ1MS?

UCZ1K331MNQ1MS is positioned for engineers specifying a high-capacitance aluminum electrolytic SMD capacitor that must operate reliably at elevated temperatures and support substantial ripple currents. Its chip-style SMD form, embossed carrier tape packaging and AEC‑Q200 qualification make it appropriate for high-reliability production lines and thermal-challenged applications.

For designs that require predictable leakage, controlled ESR/tanδ performance, and long endurance at +125°C, this part delivers verifiable specifications to streamline component selection and integration into robust power and control electronics.

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