UCX1E821MNS1MS

The UCX1E821MNS1MS is a chip-type aluminum electrolytic capacitor designed for high-reliability, high-temperature applications. It delivers 820 µF at 25 V in a compact surface-mount radial can package optimized for automated placement from carrier tape.

Engineered for extended operation at elevated temperatures, this AEC-Q200 qualified, RoHS-compliant capacitor provides defined low-temperature ESR behavior and long endurance for demanding power and electronic control applications.

Key Features

• Capacitance & Voltage 820 µF nominal capacitance at a rated voltage of 25 V with ±20% tolerance for bulk energy storage and decoupling.
• High operating temperature & endurance Specified for operation from -40 °C to +135 °C with a rated life of 2000 hours at 135 °C.
• Low-temperature ESR specification ESR characterized as 70 mΩ at 100 kHz and verified after -40 °C testing to ensure predictable performance across temperature extremes.
• Ripple current capability Supports 375 mA ripple at 120 Hz and 750 mA at 10 kHz for AC ripple and switching-power applications.
• Surface-mount chip package Chip-type, SMD radial can format for automated mounting from carrier tape; physical size L: 1.35 × D: 1.25 cm and surface-mount land size L: 1.28 × W: 1.28 cm.
• Automotive-grade reliability & compliance AEC-Q200 qualified and RoHS-compliant for designs requiring industry-recognized reliability standards.

Typical Applications

• Automotive power systems — Bulk filtering and decoupling in vehicle power electronics and control modules where high-temperature endurance and AEC-Q200 qualification are required.
• High-temperature electronics — Power conditioning in equipment that operates continuously at elevated ambient temperatures up to +135 °C.
• Power supply decoupling — Energy storage and smoothing for DC-DC converters and switching regulators that require defined ESR and ripple handling.
• Industrial control modules — Robust bulk capacitance for control boards and power stages exposed to wide temperature swings and vibration when packaged on SMD assemblies.

Unique Advantages

• Designed for extreme temperatures: Rated from -40 °C to +135 °C with a 2000-hour endurance at 135 °C, enabling use in high-heat environments without sacrificing lifetime data.
• Predictable low-temperature performance: ESR specified at 70 mΩ (100 kHz) and characterized after -40 °C testing to reduce uncertainty in low-temperature designs.
• Automotive-grade qualification: AEC-Q200 status signals conformity to automotive reliability criteria for customers targeting vehicle systems.
• SMD-ready form factor: Chip-type radial can packaged for carrier-tape feeding supports automated assembly and compact PCB layouts with defined land pattern dimensions.
• Solid ripple handling: Rated ripple currents at both low and high frequencies (375 mA @120 Hz, 750 mA @10 kHz) provide margin for power rail stability in switching environments.

Why Choose UCX1E821MNS1MS?

The UCX1E821MNS1MS positions itself as a reliable bulk capacitance solution where elevated temperature tolerance, defined low-temperature ESR, and automotive-level qualification matter. Its combination of 820 µF capacity, 25 V rating, and measured ripple characteristics make it suitable for designers needing stable filtering and decoupling across a wide thermal range.

This part is well suited to engineering teams designing automotive and industrial power electronics that require predictable long-term behavior (2000 hours at 135 °C), RoHS compliance, and a surface-mount form factor compatible with automated production workflows.

Request a quote or submit an inquiry including the part number UCX1E821MNS1MS to receive pricing and availability details, or request the full datasheet for complete electrical and mechanical specifications.