UCX1V182MNQ1MS

The UCX1V182MNQ1MS is a chip-type aluminum electrolytic capacitor engineered for surface-mount applications that require high temperature endurance and reliable filtering. It delivers 1.8 mF of polarized capacitance at a 35 V rating in a compact φ18 × 21.5 mm can-style SMD package with embossed carrier taping for automated assembly.

Designed for demanding environments, this device combines high capacitance density with defined low-temperature ESR performance, making it suitable for high-temperature systems and AEC‑Q200 qualified applications where long-term stability and ripple-handling capability are required.

Key Features

• Capacitance & Voltage — 1800 µF nominal capacitance with ±20% tolerance at 120 Hz, rated for 35 V operation.
• Low‑temperature ESR Specification — ESR specified as 35 mΩ at 20°C/100 kHz and stability characteristics measured down to −40°C to support low-temperature performance verification.
• High Ripple Current Capability — Low-frequency ripple current of 1.1 A (120 Hz) and high-frequency ripple current of 2.2 A (10 kHz) for power-filtering and decoupling tasks.
• Endurance & Temperature Range — Qualified for operation from −40°C to +135°C with a rated life of 2000 hours at 135°C.
• Electrical Losses — Tangent of loss angle (tan δ) of 0.16 at 20°C and 120 Hz for the 35 V rating; leakage current specified at 630 µA.
• Package & Mounting — Chip-type radial can SMD, size φ18 × 21.5 mm, supplied in embossed carrier tape compatible with automated placement.
• Standards Compliance — AEC‑Q200 qualified and RoHS compliant, supporting regulated manufacturing and reliability processes.

Typical Applications

• Automotive Electronics — AEC‑Q200 qualification and 135°C endurance make this capacitor suitable for control modules and power conditioning in automotive systems.
• High‑Temperature Power Modules — Designed for use where sustained elevated temperatures and reliable ripple handling are required for filtering and energy storage.
• Automated Surface‑Mount Production — Embossed carrier taping allows efficient feed into automatic placement equipment for volume assembly.

Unique Advantages

• High Capacitance in a Compact SMD Can — 1800 µF in a φ18 × 21.5 mm footprint provides significant energy storage while conserving board area.
• Defined Low‑Temperature ESR — ESR specified at low temperature supports predictable performance across a wide thermal range, assisting in design validation for cold-start conditions.
• Strong Ripple‑Handling — Combined low‑ and high‑frequency ripple current ratings help reduce voltage ripple and heat generation in power stages.
• Long High‑Temperature Endurance — 2000 hours at 135°C gives designers a measurable lifetime metric for thermal stress scenarios.
• Assembly‑Friendly Packaging — Embossed carrier tape format streamlines placement for automated SMT lines, reducing handling time and errors.
• Regulatory and Reliability Support — RoHS compliance and AEC‑Q200 qualification provide assurances for regulated manufacturing and reliability programs.

Why Choose UCX1V182MNQ1MS?

The UCX1V182MNQ1MS positions itself as a robust surface-mount aluminum electrolytic solution where high capacitance, controlled ESR at low temperatures, and elevated temperature endurance are required. Its combination of 1.8 mF capacitance, 35 V rating, defined tan δ and leakage, and ripple current capability offers clear, quantifiable characteristics for power-filtering, decoupling, and energy-storage subsystems.

This capacitor is well suited to engineers and procurement teams designing for high-temperature environments and automated assembly lines who need components with documented endurance and AEC‑Q200-level qualification. The part’s measurable electrical and thermal specifications help simplify validation and long-term reliability planning.

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