UCX1H471MNQ1MS

The UCX1H471MNQ1MS is a chip-type aluminum electrolytic capacitor in the UCX series, offering 470 µF capacitance at 50 V in a surface-mount can-style package. Engineered for extended operation up to +135°C and compatible with automatic mounting via carrier tape, it targets demanding power-filtering roles where high-temperature endurance and AEC-Q200 qualification are required.

Key Features

• Capacitance & Voltage — 470 µF rated capacitance at 50 V, with ±20% tolerance for bulk energy storage and smoothing applications.
• High-Temperature Rating — Specified operating range from −40 °C to +135 °C and endurance of 2000 hours at 135 °C under rated voltage.
• Low-Temperature ESR Specification — ESR characterized after −40 °C testing; specified equivalent series resistance is 70 mΩ at 100 kHz.
• Ripple Current Capability — Rated ripple handling of 500 mA at 120 Hz and 1 A at 10 kHz for dynamic filtering and power-supply decoupling.
• Surface-Mount, Tape-Feed Compatible — Chip-style can package intended for automatic mounting machines fed with carrier tape, simplifying assembly.
• Reliability & Compliance — AEC-Q200 qualified and RoHS compliant for regulated markets and high-reliability designs.
• Package & Footprint — Compact dimensions L: 1.65 × D: 1.6 cm with recommended surface-mount land size L: 1.63 × W: 1.63 cm for PCB layout.
• Polarized, Standard Tolerance — Polarized construction with −20% to +20% capacitance tolerance at 120 Hz, 20 °C.

Typical Applications

• Automotive Electronics — Bulk filtering and energy storage in systems requiring AEC-Q200 qualification and high-temperature capability.
• Power Supply Filtering — Smoothing and decoupling in DC–DC converters and voltage-regulation stages that experience elevated temperatures.
• Industrial High-Temperature Electronics — Power-conditioning components for equipment operating in harsh thermal environments up to +135 °C.

Unique Advantages

• Rated for +135 °C Operation — Enables use in high-temperature environments with documented 2000-hour endurance at maximum rated temperature.
• Measured Low-Temperature ESR — ESR specified after −40 °C testing and 70 mΩ at 100 kHz supports reliable performance across temperature extremes.
• Tape-Feed Surface-Mount Packaging — Designed for automatic placement, reducing assembly time and improving throughput for volume manufacturing.
• High Ripple Handling — Separate ripple current ratings at low and high frequency (500 mA @120 Hz, 1 A @10 kHz) for versatile power-conditioning use.
• AEC-Q200 Qualified & RoHS Compliant — Meets common reliability and regulatory expectations for regulated and high-reliability projects.

Why Choose UCX1H471MNQ1MS?

The UCX1H471MNQ1MS combines a high-capacitance, 50 V aluminum electrolytic design with documented performance across −40 °C to +135 °C and a 2000-hour high-temperature endurance rating, making it suitable for designs that demand stable bulk energy storage under thermal stress. Its tape-feed-compatible SMD can package and defined ESR and ripple-current specifications simplify integration into automated production and high-reliability power subsystems.

This capacitor is well suited for engineers specifying components for automotive and industrial power modules, DC–DC converters, and other systems where elevated temperature performance, controlled ESR, and standardized mounting are key selection criteria.

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