UUN1V331MNJ1MS

The UUN1V331MNJ1MS is a chip‑type, bi‑polarized aluminum electrolytic capacitor designed for surface mounting on high‑density printed circuit boards. It delivers 330 µF at 35 V in a compact radial can SMD package and is RoHS compliant.

Targeted at general‑purpose electronics, this part offers a wide operating temperature range (−55 °C to +105 °C) and qualification-level endurance (2000 hours at 105 °C), making it suitable for assemblies requiring higher capacitance in a surface‑mount form factor and automated placement compatibility via carrier tape.

Key Features

• Capacitance & Voltage — 330 µF nominal capacitance rated for 35 V operation with ±20% tolerance at 120 Hz, 20 °C.
• Bi‑Polarized Design — Bi‑polarized construction as specified for the UUN series provides symmetric behavior for applications that require polarity flexibility.
• Surface‑Mount Radial Can — Chip type, radial can SMD package designed for high‑density PCB layout and compatible with automatic mounting via carrier tape.
• Wide Temperature Range — Specified for −55 °C to +105 °C operation to support demanding thermal environments.
• Endurance & Reliability — Rated endurance: 2000 hours at 105 °C with polarity inverted every 250 hours; capacitance change within ±20% after test and leakage/insulation within specified limits.
• Leakage & Loss Characteristics — Leakage current ≤ 0.03·C·V (µA) after 1 minute at 20 °C; tangent of loss angle (tan δ) specified (max. 0.14 at 35 V, 120 Hz, 20 °C).
• Ripple Current Capability — Rated ripple current: 450 mA at 120 Hz and 675 mA at 10 kHz for the specified capacitance and package.
• Compact Footprint — Product dimensions L: 1.65 cm × D: 1.8 cm with recommended land size L: 1.83 cm × W: 1.83 cm for PCB layout.
• RoHS Compliance — Manufactured in compliance with RoHS directive (2011/65/EU, (EU)2015/863).

Typical Applications

• General‑Purpose Electronics — Provides higher bulk capacitance in surface‑mount form for general‑purpose circuit designs that require compact energy storage.
• High‑Density PCB Assemblies — Chip‑type radial can SMD and carrier‑tape compatibility simplify integration into automated assembly lines for dense board layouts.
• Temperature‑Challenged Systems — Operation from −55 °C to +105 °C and 2000‑hour endurance at 105 °C support use in equipment exposed to wide temperature swings.

Unique Advantages

• High Capacitance in an SMD Package: 330 µF at 35 V gives designers substantial capacitance while maintaining a compact footprint for space‑constrained PCBs.
• Bi‑Polarized Flexibility: Bi‑polarized construction enables symmetric performance where polarity conditions may vary in the application.
• Designed for Automated Assembly: Carrier‑tape feed compatibility and an SMD radial can package streamline pick‑and‑place and reflow assembly processes.
• Thermal Endurance: 2000‑hour rating at 105 °C with defined post‑test limits ensures predictable long‑term behavior in hot operating environments.
• Measurable Electrical Performance: Specified leakage current, tan δ, and ripple current values (120 Hz and 10 kHz) allow straightforward thermal and reliability margining in design.
• Regulatory Compliance: RoHS compliance supports use in regulated product lines without additional material restrictions.

Why Choose UUN1V331MNJ1MS?

The UUN1V331MNJ1MS positions itself as a practical choice for engineers who need higher capacitance in a surface‑mount aluminum electrolytic capacitor with predictable endurance and thermal performance. Its bi‑polarized chip design, compact radial can package, and explicit ripple, leakage, and tan δ specifications make it suitable for general‑purpose designs that demand measurable electrical characteristics and automated assembly compatibility.

This part is well suited to development teams and procurement for projects that prioritize integration into high‑density PCBs, require operation across a wide temperature range, and value clear, testable lifetime and electrical limits backed by the UUN series datasheet information.

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