UUA1E331MNL1GS

The UUA1E331MNL1GS is an aluminum electrolytic chip capacitor in Nichicon’s UUA series, designed for surface mounting on high-density PC boards. This polarized SMD capacitor provides 330 µF capacitance at 25 V with a compact 1.0 × 1.0 cm package footprint.

Engineered for demanding environments, the device is RoHS compliant and AEC-Q200 qualified, with a rated operating range of −55 °C to +105 °C and a rated lifetime of 5000 hours at +105 °C for long-term stability in automotive and industrial applications.

Key Features

• Capacitance and Voltage — 330 µF nominal capacitance with a 25 V rated voltage and ±20% tolerance (measured at 120 Hz, 20 °C).
• Chip SMD Package — Compact chip-type radial can SMD package sized L: 1.0 × D: 1.0 cm, designed for surface mounting on high-density PC boards; recommended land size L: 1.03 × W: 1.03 cm.
• High-Temperature Endurance — Rated for operation from −55 °C to +105 °C and specified for 5000 hours at +105 °C (series load life 3000–5000 hours at +105 °C).
• Automotive Qualification — AEC-Q200 qualified, suitable for designs that require that industry-level qualification.
• Polarized Electrolytic Design — Polarized component suitable for DC applications where electrolytic capacitance is required.
• Leakage and Loss Characteristics — Leakage current specified as not more than 0.01 CV or 3 µA (whichever is greater) after 2 minutes at 20 °C; tan δ and impedance characteristics defined per rated voltage in the series datasheet.
• Ripple Current Ratings — Rated ripple current of 450 mA at 120 Hz and 675 mA at 10 kHz for effective smoothing in power circuits.
• Regulatory Compliance — Compliant to the RoHS directive (2011/65/EU, (EU)2015/863).

Typical Applications

• Automotive Electronics — Suitable for electronic systems where AEC-Q200 qualification is required and long-life high-temperature performance is necessary.
• High-Density Surface-Mount PCBs — Chip-type SMD package is optimized for compact board layouts and surface mounting on densely populated assemblies.
• RoHS-Compliant Designs — For applications and product lines requiring compliance with RoHS directive restrictions.

Unique Advantages

• Long High-Temperature Life: Rated for 5000 hours at +105 °C, providing extended endurance in elevated-temperature environments.
• AEC-Q200 Qualification: Meets AEC-Q200 requirements, enabling use in applications that require automotive-grade component qualification.
• High Capacitance in a Small Footprint: 330 µF available in a 1.0 × 1.0 cm chip package supports compact power designs without sacrificing capacitance.
• Defined Ripple Performance: Specified ripple current values at 120 Hz and 10 kHz help designers assess thermal and filtering performance for power rails.
• RoHS Compliance: Meets restricted-substance requirements for regulatory and sustainability programs.

Why Choose UUA1E331MNL1GS?

The UUA1E331MNL1GS combines a high-capacitance, compact SMD package with long-life high-temperature performance and AEC-Q200 qualification, making it well suited for automotive and other demanding electronic systems that require robust, surface-mount electrolytic capacitors. Its defined electrical characteristics—330 µF at 25 V, polarized construction, and specified ripple current—allow engineers to integrate reliable bulk capacitors into compact board designs while meeting RoHS requirements.

For designers targeting high-density layouts and environments up to +105 °C, this Nichicon UUA-series part provides a verifiable specification set for endurance, leakage, and thermal performance, supporting predictable behavior over product lifecycles.

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