UWD1C681MCL1GS

The UWD1C681MCL1GS is a surface‑mount aluminum electrolytic capacitor offering 680 µF capacitance at a 16 V rating in a compact φ10 × 10 mm can‑style SMD package. It is a chip‑type, low‑impedance capacitor engineered for high‑temperature reflow processes and continuous operation up to 105°C.

Designed for demanding electronic power systems, this part addresses bulk energy storage, decoupling and ripple filtering needs where high capacitance, controlled loss tangent, and long endurance are required. Packaging and process features support automated placement and lead‑free assembly flows.

Key Features

• Capacitance & Voltage — 680 µF nominal capacitance with a 16 V rated voltage and tolerance of -20% to +20%.
• Low Impedance — Specified impedance of 90 mΩ to support stable decoupling and reduced voltage ripple in power rails.
• Loss Characteristics — Tangent of loss angle (tan δ) 0.2 measured at 20°C, 120 Hz, providing predictable AC loss behavior for design calculations.
• Ripple Handling — Low‑frequency ripple current 335 mA at 120 Hz and high‑frequency ripple current 670 mA at 10 kHz for mixed‑frequency power applications.
• Leakage Current — Specified leakage current of 108.8 µA for predictable standby and bias current budgeting.
• High‑Temperature Endurance — Rated lifetime of 5000 hours at 105°C for long‑term reliability in elevated ambient or thermal environments.
• Package & Mounting — φ10 × 10 mm radial can in an SMD/chip format with embossed carrier taping for automated surface‑mount assembly; surface‑mount land size 10.3 × 10.3 mm.
• Manufacturing Robustness — Chip type designed for high‑temperature reflow soldering; recommended reflow 260°C peak for 5 s (230°C over 60 s), with φ10 × 10 parts reflowed 1 time per manufacturer guidance.
• Compliance & Marking — RoHS compliant with AEC‑Q200 qualification; part marked with black print on the case top.

Typical Applications

• Automotive Electronics — Bulk decoupling and energy buffering in control modules and power distribution units where AEC‑Q200 qualification and 105°C endurance are required.
• Power Management — Output filtering and hold‑up capacitance for DC‑DC converters and voltage regulators in compact power subsystems.
• Industrial Controls — Energy storage and ripple suppression in motor drives, PLCs and instrumentation operating across wide temperature ranges.
• Telecommunications Equipment — Bulk capacitance for line cards and power supplies where high ripple tolerance at multiple frequencies is needed.

Unique Advantages

• High Capacitance in a Small SMD Can — 680 µF in a φ10 × 10 mm package reduces board area while maintaining substantial energy storage.
• Designed for Lead‑Free Assembly — 260°C peak reflow capability and carrier‑tape packaging support modern Pb‑free production flows and automated placement.
• Long High‑Temperature Life — 5000 hours at 105°C provides predictable aging and stability for thermal‑stress applications.
• Broad Ripple Performance — Measured ripple current specs at 120 Hz and 10 kHz enable designers to size capacitors for both low‑ and high‑frequency noise environments.
• Automotive‑Grade Reliability — AEC‑Q200 qualification supports use in applications with demanding reliability and qualification requirements.
• Traceable Electrical Characteristics — Specified impedance, tan δ and leakage current values simplify margining, thermal and power‑loss calculations.

Why Choose UWD1C681MCL1GS?

UWD1C681MCL1GS balances high capacitance and controlled electrical characteristics in a compact surface‑mount can, making it suitable for designs that need substantial bulk energy storage without large through‑hole parts. Its low impedance, quantified ripple performance and defined leakage current support accurate power‑stage design and thermal management.

With AEC‑Q200 qualification, RoHS compliance, and a 5000‑hour endurance at 105°C, this capacitor is positioned for robust, long‑life applications in automotive, industrial and telecom markets where board‑level space, automated assembly and reliable operation under elevated temperature are priorities.

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