UCZ1V142MNJ1MS

The UCZ1V142MNJ1MS is a high-reliability, chip-type aluminum electrolytic capacitor designed for surface-mount assembly. It is specified for operation from -40°C to +125°C and includes low-temperature ESR characterization to support demanding thermal environments.

Engineered for applications that require robust ripple handling and long-term endurance, this part combines a 1.4 mF capacitance at 35 V with AEC-Q200 qualification and RoHS compliance for use in regulated production and automotive electronics.

Key Features

• Capacitance & Voltage — 1.4 mF rated capacitance at 35 V with ±20% tolerance, suitable for bulk energy storage and decoupling in power circuits.
• Temperature Range — Specified to operate from -40°C to +125°C, supporting high-temperature system environments.
• Low-temperature ESR — ESR characterized after -40°C testing; rated ESR of 45 mΩ measured at 100 kHz for predictable high-frequency behavior.
• Endurance & Lifetime — 3,500 hours rated life at 125°C, reflecting suitability for sustained high-temperature use.
• Ripple Current Capability — Handles 1.3 A at 120 Hz and 2.6 A at 10 kHz, enabling reliable performance under AC ripple conditions.
• Package & Mounting — Chip-type radial can SMD package for surface-mount assembly; compatible with carrier-tape feeding for automated placement.
• Reliability & Compliance — AEC-Q200 qualified and RoHS compliant, addressing supplier and regulatory requirements for sensitive applications.
• Mechanical Footprint — Component dimensions L: 1.65 × D: 1.8 cm with recommended PCB land size L: 1.83 × W: 1.83 cm for footprint planning.

Typical Applications

• Automotive electronics — AEC-Q200 qualification and a -40°C to +125°C operating range make this capacitor suitable for electronics deployed in vehicle environments.
• High-temperature electronics — Designed for systems that operate at elevated ambient temperatures up to +125°C where long-term endurance is required.
• Automated surface-mount production — Chip-type SMD can compatible with carrier-tape feeding for efficient pick-and-place assembly in high-volume manufacturing.

Unique Advantages

• Validated for extreme temperatures — Rated for -40°C to +125°C with ESR specification after low-temperature testing, reducing uncertainty in cold-start and high-temperature scenarios.
• High ripple tolerance — Dual ripple current ratings (120 Hz and 10 kHz) provide designers with quantified performance across common power frequencies.
• Long high-temperature life — 3,500 hours at 125°C supports applications that demand sustained operation in elevated-temperature environments.
• AEC-Q200 qualified — Supplier-backed qualification for reliability-critical applications that require automotive-grade components.
• Surface-mount ready for automated assembly — Carrier-tape compatibility simplifies integration into automated production lines and reduces assembly complexity.
• Low ESR at high frequency — 45 mΩ at 100 kHz supports stable performance in switching and high-frequency power systems.

Why Choose UCZ1V142MNJ1MS?

The UCZ1V142MNJ1MS is positioned for designers who need a compact, high-capacitance aluminum electrolytic solution capable of withstanding wide temperature swings and extended high-temperature operation. Its combination of low-temperature ESR characterization, quantified ripple current ratings, and AEC-Q200 qualification make it appropriate for reliability-focused applications, including automotive and other high-temperature systems.

Choosing this part supports long-term robustness in thermal-stressed designs while enabling surface-mount manufacturing throughput through carrier-tape compatibility and a defined PCB land footprint.

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