UWD1A331MCL1GS

The UWD1A331MCL1GS is a surface-mount aluminum electrolytic capacitor in Nichicon’s UWD series, offering 330 µF nominal capacitance at a 10 V rating. It is a chip-type, low-impedance capacitor designed for automated assembly and high-temperature service up to 105°C.

Built for applications that require compact bulk capacitance, controlled loss (tanδ), and defined ripple handling, this part targets high-density PCB designs and systems that demand AEC-Q200 qualification and RoHS compliance.

Key Features

• Capacitance & Voltage: 330 µF nominal capacitance with a rated voltage of 10 V and tolerance ±20% (120 Hz, 20°C).
• Low impedance performance: Specified impedance of 170 mΩ and a tangent of loss angle (tanδ) of 0.24 measured at 20°C, 120 Hz, supporting stable AC behavior.
• Ripple current capability: Low-frequency ripple current of 225 mA (120 Hz) and high-frequency ripple current of 450 mA (10 kHz), enabling handling of both bulk and higher-frequency ripple components.
• Leakage current: Leakage current specified at 33 µA, supporting predictable standby and bias behavior after voltage application.
• Temperature & Endurance: Operating range −55°C to +105°C with an endurance rating of 5000 hours at 105°C.
• Package & Mounting: Chip-type radial can for SMD assembly, size φ8 × 10 (D: 0.8 cm × L: 1.0 cm), surface-mount land size 8.3 × 8.3 mm, supplied in embossed carrier taping for automated placement.
• Manufacturing compatibility: Designed to withstand high-temperature reflow; recommended peak reflow condition up to 260°C (see datasheet reflow guidance).
• Standards & Compliance: AEC-Q200 qualified and RoHS compliant, reflecting suitability for regulated and demanding environments.

Typical Applications

• Automotive electronics: Applicable where AEC-Q200 qualification, high-temperature endurance (5000 h at 105°C), and compact bulk capacitance are required.
• High-density PCB assemblies: Chip-type SMD package and embossed carrier taping support automated placement in space-constrained boards.
• 10 V power rails and local supply filtering: 330 µF capacitance, 170 mΩ impedance and specified ripple currents provide bulk decoupling and smoothing on low-voltage rails.

Unique Advantages

• AEC-Q200 qualification: Provides a documented qualification basis for designs targeting regulated and automotive applications.
• High-temperature endurance: Rated 5000 hours at 105°C, giving predictable long-term performance in elevated-temperature environments.
• Balanced AC performance: Defined tanδ and ripple current ratings across low and high frequencies enable reliable filtering and decoupling across a range of operating conditions.
• Surface-mount, carrier-tape ready: Chip-type radial can and embossed carrier taping simplify automated assembly and throughput for volume production.
• RoHS compliance: Meets RoHS directive requirements for restricted substances in electronic assemblies.

Why Choose UWD1A331MCL1GS?

The UWD1A331MCL1GS positions itself as a compact, surface-mount solution for designers requiring 330 µF of bulk capacitance at a 10 V rating with controlled impedance and loss characteristics. Its combination of AEC-Q200 qualification, long endurance at 105°C, and reflow compatibility makes it suitable for demanding, high-density assemblies where reliability and automated manufacturing are priorities.

This part is suited to engineers and procurement teams specifying capacitors for regulated environments and high-temperature applications that need verifiable electrical characteristics (impedance, tanδ, leakage, ripple current) and supply-chain friendly packaging.

If you would like pricing, lead-time information, or help validating this capacitor in your design, request a quote or submit a procurement inquiry and our team will respond with the details you need.