UCD1H681MNQ1MS

The UCD1H681MNQ1MS is a chip-type, low-impedance aluminum electrolytic capacitor engineered for surface-mount applications. It delivers 680 µF capacitance at a 50 V rating in a compact radial can SMD package tailored for high-density PCBs and automated assembly.

Key value propositions include robust ripple-current capability, long-term endurance at elevated temperature, AEC-Q200 qualification, and RoHS compliance—making it suitable for demanding electronic power applications where reliability and board-level integration matter.

Key Features

• Capacitance & Voltage — 680 µF nominal capacitance with a 50 V rated voltage and ±20% tolerance, providing bulk storage for power rails and transient support.
• Low Impedance Construction — Chip-type, low-impedance design with a specified tan δ of 0.10 (measured at 20°C, 120 Hz), suited for SMD power filtering where low loss is important.
• Ripple Current Performance — Rated for 805 mA at 120 Hz (low frequency) and 1.61 A at 10 kHz (high frequency), supporting both low- and high-frequency ripple in power circuits.
• Thermal Endurance — Specified life of 5000 hours at 105°C, with an operating temperature range from −55°C to +105°C for extended high-temperature reliability.
• Package & Mounting — Surface-mount radial can (φ16 × 16.5L) with a recommended surface-mount land size of 1.63 × 1.63 cm; supplied in embossed carrier tape compatible with automatic mounting equipment.
• Reliability & Compliance — AEC-Q200 qualified and RoHS compliant, supporting use in regulated and quality-sensitive environments.
• Leakage & Polarization — Polarized aluminum electrolytic construction with a specified leakage current of 340 µA, suitable for standard polarized applications.

Typical Applications

• Automotive Electronics — AEC-Q200 qualification and extended temperature range make this capacitor appropriate for automotive power modules and control units requiring robust bulk capacitance.
• High‑Density Power Supplies — Compact SMD can and low impedance characteristics support bulk filtering and energy buffering on tightly packed power boards.
• Automated Assembly Compatible Modules — Supplied in embossed carrier tape and designed for automatic mounting, facilitating high-volume PCB assembly processes.

Unique Advantages

• High ripple-current capability — 805 mA (120 Hz) and 1.61 A (10 kHz) ratings allow the capacitor to handle sustained ripple at both low and high frequencies, reducing stress on upstream regulators.
• Designed for high-temperature endurance — 5000 hours at 105°C supports long-term stability in thermally demanding environments.
• Low dissipation factor — tan δ of 0.10 at 20°C/120 Hz contributes to lower dielectric losses and improved efficiency in filtering applications.
• SMD-ready form factor — φ16 × 16.5L can in an SMD-compatible package with embossed carrier tape simplifies board-level integration and automated placement.
• Industry compliance — AEC-Q200 qualification and RoHS compliance address quality and environmental requirements for regulated designs.

Why Choose UCD1H681MNQ1MS?

The UCD1H681MNQ1MS combines high capacitance and low-impedance construction in a compact surface-mount can, delivering reliable bulk energy storage and ripple handling for demanding power applications. Its long endurance at 105°C, AEC-Q200 qualification, and carrier-tape packaging make it a practical choice for designs that require robust performance, automated assembly compatibility, and regulatory compliance.

This part is well suited to engineers specifying board-level bulk capacitors for automotive systems, dense power supplies, and other applications where temperature stability, ripple performance, and assembly throughput are priorities.

Request a quote or contact our sales team to discuss availability, pricing, and integration support for UCD1H681MNQ1MS.