UUJ1J331MNJ1MS

The UUJ1J331MNJ1MS is a chip-type aluminum electrolytic capacitor in Nichicon’s UUJ series, offering 330 µF at 63 V in a compact surface-mount can. It is designed for installation on high-density printed circuit boards and is compatible with automatic mounting machines fed by carrier tape.

Engineered for demanding environments, this part is AEC-Q200 qualified and RoHS compliant, providing a combination of higher capacitance in an SMD package, extended operating temperature range, and long-term endurance for automotive and industrial designs.

Key Features

• Core Electrical — 330 µF nominal capacitance with a 63 V rated voltage and ±20% tolerance, suitable for bulk energy storage and smoothing in power rails where higher capacitance is required.
• Reliability & Qualification — AEC-Q200 qualified and RoHS compliant, supporting use in applications that require documented automotive-grade component qualification.
• Temperature & Lifetime — Operates from −55°C to +105°C with an endurance specification of 5000 hours at 105°C, providing predictable long-term performance at elevated temperatures.
• Ripple Performance — Rated ripple currents of 490 mA at 120 Hz and 735 mA at 10 kHz to address AC load and decoupling needs across low and higher frequency ranges.
• Package & Mounting — Radial can SMD package designed for surface mounting on high-density PCBs; compatible with automated assembly via carrier tape.
• Polarized Construction — Standard polarized electrolytic design suitable for DC applications requiring polarity.
• Board Footprint — Physical dimensions L: 1.65 × D: 1.8 cm and recommended land size L: 1.83 × W: 1.83 cm for PCB layout planning.

Typical Applications

• Automotive Systems — AEC-Q200 qualification makes this capacitor suitable for automotive electronic modules that require higher capacitance in a compact SMD package.
• High-density PCB Designs — Designed for surface mounting on densely populated boards where component footprint and automated placement are priorities.
• Automated Assembly — Compatible with carrier-tape feeding and automatic mounting machines to streamline high-volume production.

Unique Advantages

• Higher Capacitance in an SMD Can: 330 µF in a chip-type radial can enables greater energy storage without moving to much larger discrete formats.
• Automotive-Grade Qualification: AEC-Q200 qualification supports use in designs that require automotive-level component qualification and traceability.
• Extended Temperature Endurance: −55°C to +105°C range and 5000-hour life at 105°C provide stability for long-term operation in elevated-temperature environments.
• Measured Ripple Capabilities: Specified ripple current ratings at 120 Hz and 10 kHz help engineers size capacitors for both low- and higher-frequency ripple conditions.
• Production-ready Packaging: Designed for carrier-tape feeding and automatic mounting, reducing assembly friction and supporting volume manufacturing.

Why Choose UUJ1J331MNJ1MS?

UUJ1J331MNJ1MS is positioned for designs that need substantial capacitance in a surface-mount can while meeting automotive qualification and RoHS requirements. Its combination of 63 V rating, 330 µF capacitance, specified ripple currents, and long-life performance at 105°C makes it well suited for engineers targeting reliable power filtering and bulk decoupling in constrained board space.

This capacitor is an appropriate choice for design teams in automotive and industrial markets seeking a qualified, production-ready SMD electrolytic solution with documented endurance and clear board footprint guidelines.

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