UCX1E182MNQ1MS

The UCX1E182MNQ1MS is a chip‑type aluminum electrolytic capacitor from Nichicon's UCX series, designed for surface‑mount assembly in demanding thermal environments. It offers 1.8 mF capacitance at a 25 V rating in a compact radial can SMD package and is compatible with carrier‑tape automated placement.

Targeted at applications that require extended operation at elevated temperatures, this part combines a −40 °C to +135 °C operating range, AEC‑Q200 qualification, and specified ESR and ripple current characteristics to support reliable power smoothing and decoupling in harsh conditions.

Key Features

• Capacitance & Voltage — 1.8 mF nominal capacitance at a rated voltage of 25 V, with tolerance ±20%.
• High‑temperature operation — Rated for operation from −40 °C to +135 °C, with endurance specified for 2000 hours at 135 °C.
• Low‑temperature ESR specification — ESR performance is specified after the −40 °C test, supporting predictable behavior at low ambient temperatures.
• ESR and ripple handling — Equivalent series resistance of 50 mΩ (measured at 100 kHz) and ripple current ratings of 600 mA at 120 Hz and 1.2 A at 10 kHz.
• Package & mounting — Chip‑type radial can SMD designed for surface mount applications; compatible with carrier tape for automatic mounting machines.
• Reliability & qualification — AEC‑Q200 qualified with endurance, soldering heat and shelf‑life characteristics defined per the UCX series specifications.
• Polarized design — Polar capacitor construction for correct orientation in DC power circuits.
• Environmental compliance — RoHS compliant (2011/65/EU, (EU)2015/863).
• Compact footprint — Physical dimensions: L: 1.65 cm × D: 1.6 cm; recommended surface mount land size L: 1.63 cm × W: 1.63 cm.

Typical Applications

• Automotive electronics — Suited for electronic modules where AEC‑Q200 qualification and operation up to +135 °C are required.
• High‑temperature power assemblies — Used for power smoothing and decoupling in systems that operate in elevated ambient temperatures, leveraging the 2000‑hour endurance at 135 °C.
• Automated surface‑mount production — Carrier‑tape compatibility enables efficient placement in high‑volume SMT assembly.

Unique Advantages

• AEC‑Q200 qualification: Provides a known qualification baseline for designs targeting automotive and other high‑reliability markets.
• Designed for elevated temperatures: Endurance specified for 2000 hours at +135 °C supports long‑term operation in hot environments.
• Measured low‑temperature ESR: ESR specification after the −40 °C test ensures defined performance across the full temperature range.
• High ripple capability: 600 mA (120 Hz) and 1.2 A (10 kHz) ripple current ratings combined with 50 mΩ ESR (100 kHz) support effective filtering and smoothing in power circuits.
• Surface‑mount, tape‑feed ready: Radial can SMD form factor and carrier‑tape compatibility streamline automated assembly and reduce handling complexity.
• Regulatory compliance: RoHS conformity helps meet environmental and procurement requirements.

Why Choose UCX1E182MNQ1MS?

The UCX1E182MNQ1MS positions itself as a purpose‑built option for designs requiring a robust, chip‑type aluminum electrolytic capacitor capable of extended high‑temperature operation. With AEC‑Q200 qualification, defined low‑temperature ESR behavior, and tested endurance at +135 °C, it delivers verifiable performance for demanding power and automotive applications.

Its compact radial can SMD package and carrier‑tape compatibility make it practical for automated manufacturing, while the specified ESR and ripple current numbers give designers measurable criteria to match against system requirements. Choose this part when you need a qualified, temperature‑resilient capacitor with clear electrical and mechanical specifications.

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