UCM0J681MCS1GS

The UCM0J681MCS1GS is a chip-type, low-impedance aluminum electrolytic capacitor in a surface-mount radial-can package, designed for automated assembly and demanding operating environments. With 680 µF capacitance at 6.3 V, a wide temperature range and vibration-resistant construction, it targets designs that require compact bulk capacitance, reliable ripple handling and automotive-grade qualification.

Key Features

• Core Type & Construction Chip-type, low-impedance aluminum electrolytic capacitor in an SMD radial-can format with polarized terminals.
• Electrical Characteristics 680 µF nominal capacitance with tolerance −20% to +20%; rated voltage 6.3 V; tangent of loss angle (tan δ) 0.26 measured at 20°C, 120 Hz; leakage current 42.84 µA.
• Ripple Current Performance Low-frequency ripple current 300 mA at 120 Hz and high-frequency ripple current 600 mA at 10 kHz for smoothing and decoupling applications.
• Temperature & Endurance Operating temperature range −55°C to +105°C with endurance specified as 2000 hours at 105°C (φD ≤ 10 mm condition).
• Mechanical & Mounting Compact size φ6.3 × 7.7 mm (L × D) and recommended surface-mount land size 6.6 × 6.6 mm. Vibration resistant construction and embossed carrier taping for automatic placement.
• Reliability & Compliance AEC-Q200 rated and RoHS compliant for regulated production and automotive-focused applications.

Typical Applications

• Automotive electronic modules — Bulk smoothing and decoupling where AEC-Q200 qualification and high ripple capability at 6.3 V are required.
• Board-level power filtering — Local energy storage and transient suppression for low-voltage power rails.
• Embedded and control systems — Compact bulk capacitance in space-constrained, vibration-exposed assemblies.

Unique Advantages

• High capacitance in a compact footprint: 680 µF in a φ6.3 × 7.7 mm package reduces board area while providing bulk energy storage.
• Low-impedance performance: Chip-type construction with specified tan δ supports efficient AC behavior at 120 Hz measurement conditions.
• Designed for ripple and transient loads: Rated ripple currents of 300 mA (120 Hz) and 600 mA (10 kHz) enable reliable smoothing across a range of frequencies.
• Automotive-grade reliability: AEC-Q200 rating plus −55°C to +105°C operation and 2000-hour endurance at 105°C address stringent reliability requirements.
• Assembly-ready packaging: Embossed carrier taping and a defined surface-mount land footprint simplify automated placement and production flow.
• Vibration-resistant construction: Mechanical design suited to environments subject to vibration, improving long-term stability.

Why Choose UCM0J681MCS1GS?

The UCM0J681MCS1GS positions itself as a compact, automotive-capable SMD aluminum electrolytic solution that balances high capacitance and ripple handling with a small radial-can footprint. Its combination of AEC-Q200 qualification, wide operating temperature range and vibration resistance makes it suitable for engineers specifying reliable bulk capacitance for automotive and industrial power systems.

Selection of this part supports automated assembly (embossed carrier taping and defined land pattern), predictable electrical performance at 6.3 V, and endurance characteristics appropriate for thermally demanding applications.

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