UUN0J102MNQ1MS

The UUN0J102MNQ1MS is a chip-type, bi-polarized aluminum electrolytic capacitor designed for surface-mount use on high-density PC boards. It provides 1 mF capacitance at a 6.3 V rating with bipolar construction that supports alternating-polarity operation and broad temperature tolerance.

Targeted at general-purpose power and signal applications, this SMD radial can delivers high capacitance in a compact footprint while offering a long endurance rating for demanding thermal environments.

Key Features

• Capacitance & Tolerance — 1 mF nominal capacitance with tolerance of -20% to +20% (measured at 120 Hz, 20°C).
• Rated Voltage — 6.3 V DC rating suitable for low-voltage power and coupling circuits.
• Bi-Polar Construction — Bipolarized design enables operation with alternating polarity where required by the circuit.
• Operating Temperature Range — Specified for operation from -55°C to +105°C for use across wide thermal conditions.
• Endurance — Designed for 2000 hours at 105°C; series endurance testing includes polarity inversion cycles to validate long-term stability.
• Ripple Current Capability — Rated ripple current of 500 mA at 120 Hz and 575 mA at 10 kHz, supporting smoothing and filtering in power paths.
• Surface-Mount Package — Chip-type radial can for SMD assembly; compatible with automatic mounting from carrier tape for high-density boards.
• Board Footprint — Component dimensions L: 1.6 cm × D: 1.25 cm with recommended surface-mount land size L: 1.28 cm × W: 1.28 cm for PCB layout.
• Regulatory — Compliant with RoHS (2011/65/EU,(EU)2015/863).

Typical Applications

• General-purpose power smoothing — Bulk decoupling and ripple reduction in low-voltage DC rails where 1 mF capacitance and specified ripple current are required.
• AC-coupled / bipolar signal paths — Bipolarized construction supports circuits where polarity can reverse, such as coupling stages or AC signal conditioning.
• High-density SMD designs — Chip-type radial can and carrier-tape compatibility enable automated placement in compact board layouts.

Unique Advantages

• High capacitance in a compact SMD package — 1 mF in a chip-type can reduces board area compared with multiple discrete capacitors.
• Bipolarized flexibility — Eliminates the need to manage polarity in alternating or bidirectional circuits, simplifying design decisions.
• Wide temperature range and validated endurance — Rated -55°C to +105°C with 2000 h endurance at 105°C for reliable operation in thermally demanding applications.
• Measured ripple specifications — Published ripple current ratings at 120 Hz and 10 kHz enable predictable thermal and loss budgeting in power systems.
• Surface-mount assembly ready — Carrier-tape compatibility streamlines automated placement for high-volume manufacturing.
• RoHS compliance — Aligns with lead-free and restricted-substance requirements for global electronics manufacturing.

Why Choose UUN0J102MNQ1MS?

The UUN0J102MNQ1MS combines high capacitance, bipolar capability, and surface-mount convenience to address general-purpose smoothing and coupling needs in compact PCB designs. Its specified ripple current performance and 2000-hour endurance at 105°C provide designers with measurable, verifiable parameters for thermal and lifetime planning.

This part is well suited for engineers and procurement teams seeking a RoHS-compliant, automated-assembly-ready aluminum electrolytic that supports alternating-polarity circuits and wide operating temperatures without compromising on capacitance density.

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