UCZ1K391MNJ1MS

The UCZ1K391MNJ1MS is a chip‑type aluminum electrolytic capacitor from Nichicon's UCZ series designed for surface‑mount applications. It delivers 390 µF of capacitance at an 80 V rating in a polarized SMD can package.

Designed for demanding temperature environments, this part supports operation from −40 °C to +125 °C, includes low‑temperature ESR specification, and is AEC‑Q200 qualified and RoHS compliant—making it suitable for high‑reliability and high‑temperature electronics assemblies.

Key Features

• Capacitance & Voltage — 390 µF nominal capacitance with an 80 V rated voltage and ±20% tolerance.
• Temperature Range — Specified operation from −40 °C to +125 °C for elevated‑temperature applications.
• Endurance at High Temperature — Rated for 4000 hours at 125 °C, supporting extended high‑temperature service life.
• ESR and Ripple Performance — 120 mOhm equivalent series resistance measured at 100 kHz; ripple current ratings of 800 mA at 120 Hz and 1.6 A at 10 kHz.
• Automotive Qualification & Compliance — AEC‑Q200 qualified and RoHS compliant (2011/65/EU, (EU)2015/863).
• Package & Assembly — Chip‑type radial can SMD package sized L: 2.15 × D: 1.6 cm, compatible with carrier‑tape feeding for automated placement; recommended PCB land size L: 1.63 × W: 1.63 cm.
• Polarized Design — Polar capacitor construction for DC power and filtering applications.

Typical Applications

• Automotive electronics — Modules and control units that require components qualified to AEC‑Q200 and capable of operation up to +125 °C.
• High‑temperature power modules — Bulk capacitance in power conversion and power distribution circuits operating in elevated ambient temperatures.
• Automated surface‑mount production — Tape‑fed SMD can format for high‑volume placement and consistent assembly throughput.

Unique Advantages

• Proven high‑temperature endurance — 4000 hours at 125 °C supports sustained performance in hot environments.
• Automotive‑grade qualification — AEC‑Q200 qualification provides verification for use in demanding, high‑reliability applications.
• Low‑temperature ESR verification — ESR is specified after a −40 °C test, helping ensure predictable behavior across the full temperature range.
• Robust ripple handling — Specified ripple currents (800 mA @120 Hz, 1.6 A @10 kHz) support effective smoothing and filtering in power circuits.
• Surface‑mount, tape‑feed ready — Chip‑type SMD can format enables efficient pick‑and‑place assembly for production-scale manufacturing.

Why Choose UCZ1K391MNJ1MS?

UCZ1K391MNJ1MS combines high capacitance (390 µF) and an 80 V rating in a compact SMD can that is built for elevated temperatures and long endurance. With AEC‑Q200 qualification, RoHS compliance, and ESR specified after low‑temperature testing, it addresses reliability and performance needs in demanding electronic systems.

This part is well suited for designers of automotive and high‑temperature power electronics who require a surface‑mount, tape‑feed compatible aluminum electrolytic capacitor offering verified ripple capability and long‑term thermal endurance.

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