PCX1E121MCL6GS

The PCX1E121MCL6GS is a conductive-polymer aluminum solid electrolytic chip capacitor from Nichicon’s PCX series. It provides a 120 μF capacitance at a 25 V rating in a surface-mount radial can package designed for high‑temperature, high‑reliability environments.

Engineered for demanding applications, this capacitor combines low ESR and high ripple-current capability with long life at elevated temperature, making it suitable for automotive electronics and other power-dense designs that require robust, surface-mount bulk capacitance.

Key Features

• Conductive Polymer Aluminum Construction Solid electrolyte design for stable performance and reliability under thermal and electrical stress.
• Electrical Performance 120 μF capacitance at 25 V with ±20% tolerance; low ESR of 29 mΩ measured at 100 kHz and high ripple-current capability (850 mA at 100 kHz, 425 mA at 120 Hz).
• High Temperature Endurance Rated operating range −55°C to +125°C with long life specified at 3000 hours at 125°C (endurance criteria: capacitance change within ±20%, tan δ and ESR ≤150% of initial values where applicable).
• Surface-Mount, Reflow-Compatible SMD radial can package designed for lead‑free reflow conditions with 260°C peak soldering compatibility.
• Automotive Qualification & RoHS Compliance AEC‑Q200 qualified and compliant with RoHS (2011/65/EU, (EU)2015/863), supporting regulated and safety-conscious designs.
• Compact Footprint Chip-style package with overall size L: 1.2 × D: 0.8 cm and recommended PCB land size L: 8.3 × W: 8.3 mm for surface-mount assembly.

Typical Applications

• Automotive Power Electronics AEC‑Q200 qualification and high-temperature endurance make this capacitor suitable for automotive control modules and power rails where long-term reliability is required.
• DC–DC Converters and Power Regulation Low ESR and high ripple-current capability support smoothing and decoupling on intermediate and output rails in regulated power supplies.
• High-Temperature Embedded Systems Long life at 125°C and solid polymer construction suit electronics exposed to elevated ambient temperatures that require stable bulk capacitance.

Unique Advantages

• Proven High-Temperature Reliability: Specified for 3000 hours at 125°C, providing predictable end-of-life behavior for thermal stress applications.
• Low Losses, High Ripple Handling: 29 mΩ ESR (100 kHz) and 850 mA ripple-current rating (100 kHz) reduce heating and support higher current density designs.
• Surface-Mount Convenience: Chip-type radial can simplifies placement and reflow assembly while delivering can-type capacitor performance.
• Automotive-Grade Qualification: AEC‑Q200 qualification enables use in regulated automotive subsystems where component-level qualification is required.
• RoHS-Compliant Lead-Free Reflow: Conforms to RoHS directives and is compatible with 260°C peak lead‑free reflow processes for modern assembly flows.

Why Choose PCX1E121MCL6GS?

PCX1E121MCL6GS offers a focused combination of conductive-polymer reliability, low ESR, and high ripple-current capability in an SMD chip can tailored for high-temperature and automotive environments. Its 25 V rating and 120 μF capacitance provide substantial bulk energy storage in a compact footprint suitable for power supply decoupling and regulation tasks.

This part is ideal for engineers specifying components for automotive electronics and other harsh-environment systems that demand AEC‑Q200 qualification, long-term thermal endurance, and compatibility with lead‑free reflow assembly. Choosing the PCX1E121MCL6GS supports robust, serviceable designs with clear, datasheet-backed performance.

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