UCX1E122MNJ1MS

The UCX1E122MNJ1MS is a chip‑type aluminum electrolytic capacitor from Nichicon’s UCX series, engineered for high‑reliability applications requiring extended operation at elevated temperature. It provides 1.2 mF capacitance at a 25 V rating in a surface‑mount radial can package designed for automated assembly.

Key value comes from its wide operating range (‑40 °C to +135 °C), an added low‑temperature ESR specification, and AEC‑Q200 qualification together with RoHS compliance—features that address demanding thermal, reliability and production requirements.

Key Features

• Capacitance & Voltage: 1.2 mF (1200 μF) rated at 25 V with ±20% tolerance for bulk energy storage and decoupling in power circuits.
• Temperature Range & Endurance: Rated for operation from ‑40 °C to +135 °C; endurance specified as 2000 hours at 135 °C with post‑test capacitance change within ±30%.
• Low‑temperature ESR Specification: ESR performance is specified after a ‑40 °C test and the part is specified at 50 mΩ (0.05 Ω) measured at 100 kHz.
• Ripple Current Capability: Supports 600 mA at 120 Hz and 1.2 A at 10 kHz, enabling use in circuits with significant AC ripple.
• Package & Mounting: Chip‑type radial can surface‑mount construction compatible with carrier‑tape feed for automatic placement; physical size L: 1.65 cm × D: 1.6 cm and recommended land size 1.63 × 1.63 cm.
• Qualification & Compliance: AEC‑Q200 qualified and RoHS compliant for regulated environments and reliability‑focused designs.

Typical Applications

• Automotive electronics — suitable for vehicle electronic modules where AEC‑Q200 qualification and operation up to +135 °C are required.
• High‑temperature power supplies — bulk filtering and decoupling in power modules and converters operating in elevated ambient temperatures.
• Automated surface‑mount production — chip SMD form factor and carrier‑tape compatibility for reliable high‑volume PCB assembly.

Unique Advantages

• High‑temperature reliability: Endurance specified at 2000 hours at 135 °C provides predictable long‑term behavior in hot environments.
• Controlled ESR across temperature extremes: ESR specified after a ‑40 °C test and a measured 50 mΩ at 100 kHz supports consistent performance from cold start to high‑temperature operation.
• Designed for ripple‑heavy circuits: Rated ripple current values (600 mA @ 120 Hz, 1.2 A @ 10 kHz) enable placement in power stages and smoothing applications with significant AC content.
• Surface‑mount, production‑ready package: Chip radial can and carrier‑tape compatibility simplify automated placement and reduce handling complexity on the production line.
• Industry qualification and compliance: AEC‑Q200 qualification and RoHS compliance support use in regulated and reliability‑sensitive programs.

Why Choose UCX1E122MNJ1MS?

The UCX1E122MNJ1MS balances high capacitance and defined ripple handling with a compact chip‑type SMD package, offering a reliable solution for electronic systems that must operate across wide temperature ranges. Its AEC‑Q200 qualification and explicit low‑temperature ESR characterization make it well suited to designs that demand both thermal endurance and predictable electrical behavior.

Backed by Nichicon’s UCX series engineering, this part is targeted at designers and manufacturers needing a production‑friendly, high‑temperature aluminum electrolytic capacitor with traceable performance parameters and regulatory compliance.

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