UUX1A681MNL1GS

The UUX1A681MNL1GS is a surface-mount aluminum electrolytic capacitor in Nichicon’s UUX series, offering 680 µF capacitance at a 10 V rating in a compact φ10 × 10 mm can-style SMD package. Engineered for demanding temperature and endurance requirements, this part targets automotive and other high-reliability electronic power systems that require high capacitance, high ripple capability and wide operating temperature range.

Key Features

• Capacitance & Voltage: 680 µF capacitance at a 10 V rated voltage with a tolerance of −20% to +20%.
• Temperature Range & Endurance: Rated for −55 °C to 105 °C with a rated lifetime of 2000 hours at 105 °C.
• Loss Tangent (tan δ): tan δ = 0.19 measured at 20 °C, 120 Hz, supporting stable AC performance at the rated frequency.
• Ripple Current Capability: Low-frequency ripple current 392 mA at 120 Hz and high-frequency ripple current 509.6 mA at 10 kHz, enabling effective smoothing and decoupling under AC loading.
• Leakage Current: Specified leakage current of 204 µA, aligned with power-management requirements and predictable bias behavior.
• Package & Mounting: Radial can-style SMD package (φ10 × 10 mm) designed for surface-mount assembly; supplied on embossed carrier taping for automated placement.
• Qualification: AEC-Q200 rated, addressing requirements for automotive electronic applications.
• Polarized Component: Polarized aluminum electrolytic construction for bulk energy storage and filtering roles.

Typical Applications

• Automotive power electronics — Bulk smoothing and decoupling on automotive power rails where AEC-Q200 qualification and wide temperature range are required.
• DC–DC converters and regulators — Output filtering and energy buffering that benefit from the capacitor’s high capacitance and ripple current ratings.
• Embedded power modules — Compact SMD can package and embossed carrier taping support automated assembly in space-constrained modules.

Unique Advantages

• AEC-Q200 Qualified: Designed to meet automotive-grade reliability requirements for use in vehicle electronics.
• Wide Temperature & Long Endurance: −55 °C to 105 °C rating with 2000 hours endurance at 105 °C provides predictable lifetime behavior in harsh environments.
• High Capacitance in a Compact SMD: 680 µF in a φ10 × 10 mm SMD can delivers significant bulk capacitance while minimizing board area.
• High Ripple Handling: Specified ripple currents at both 120 Hz and 10 kHz support performance across low- and high-frequency power domains.
• Production-Ready Packaging: Embossed carrier taping facilitates automated placement and high-volume assembly.
• Measured AC Loss & Leakage Data: Specified tan δ (0.19 at 20 °C, 120 Hz) and leakage current (204 µA) allow clear thermal and bias design trade-offs.

Why Choose UUX1A681MNL1GS?

UUX1A681MNL1GS combines high bulk capacitance with automotive-grade qualification and a compact SMD can package, making it well-suited for power-smoothing, decoupling and energy-storage roles in demanding temperature and endurance environments. Its defined ripple-current ratings, measured loss tangent and leakage current provide engineers with verifiable parameters to design reliable power subsystems.

This part is appropriate for designers targeting automotive electronics and other applications that require AEC-Q200 qualification, predictable lifetime at elevated temperature, and production-ready packaging for automated assembly.

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