UWT1C331MNL1GS

The UWT1C331MNL1GS is a chip-type aluminum electrolytic capacitor from Nichicon’s UWT series, designed for surface-mount use on high-density PC boards. It delivers 330 µF nominal capacitance at a 16 V rating with polarized construction and a compact radial can SMD package.

Engineered for demanding temperature environments and automated assembly, this component addresses automotive and industrial electronics needs where wide operating temperature, endurance at elevated temperature, and automated placement compatibility are required.

Key Features

• Capacitance & Voltage — 330 µF nominal capacitance rated at 16 V with capacitance tolerance ±20% (measured at 120 Hz, 20 °C).
• Wide Temperature Range — Specified operating range from −55 °C to +105 °C for use across broad environmental conditions.
• High‑Temperature Endurance — Endurance rating of 1000 hours at 105 °C with specified limits for capacitance change, tan δ and leakage current after test.
• Ripple Current Capability — Rated ripple performance of 195 mA at 120 Hz and 292.5 mA at 10 kHz for smoothing and decoupling on switching supplies.
• Reliability & Qualification — AEC‑Q200 qualified and RoHS compliant, reflecting suitability for automotive-grade design flows and regulatory requirements.
• Surface-Mount, Automated Assembly — Chip-type radial can SMD package designed for surface mounting on high-density PCBs and compatible with carrier-tape fed automatic placement.
• Electrical Loss and Leakage — Tangent of loss angle (tan δ) for 16 V is specified at 0.20 (max). Leakage current (after 2 minutes at 20 °C) is ≤ 0.01CV or 3 µA, whichever is greater.
• Compact Footprint — Package dimensions approximately L: 1.0 × D: 0.8 cm with recommended land size L: 8.3 × W: 8.3 mm for PCB layout.

Typical Applications

• Automotive electronic modules — Power rail decoupling and smoothing in automotive control and electronic modules where AEC‑Q200 qualification and wide temperature operation are required.
• Power supply filtering — Bulk capacitance and ripple mitigation for DC–DC converters and regulator outputs on compact, high-density PCBs.
• Industrial electronics — Energy storage and smoothing in industrial control and sensor interface circuits that operate across extended temperature ranges.

Unique Advantages

• Wide operating temperature range: −55 °C to +105 °C supports designs exposed to harsh thermal environments.
• Automotive-grade qualification: AEC‑Q200 qualification aligns the part with automotive design requirements for reliability.
• High capacitance in a compact SMD can: 330 µF in a 1.0 × 0.8 cm package reduces board space while providing significant bulk capacitance.
• Assembly-ready packaging: Compatible with carrier-tape fed automatic mounting for efficient high-volume production.
• Defined ripple and endurance specs: Specified ripple currents at 120 Hz and 10 kHz plus 1000 h endurance at 105 °C enable predictable performance in power systems.
• Controlled electrical characteristics: Specified tan δ and leakage current limits provide measurable loss and leakage behavior for design margin calculations.

Why Choose UWT1C331MNL1GS?

UWT1C331MNL1GS combines a high bulk capacitance with a compact surface-mount radial can package and automotive-grade qualification, making it suitable for engineers targeting reliable power conditioning in automotive and industrial electronics. Its defined endurance and ripple specifications allow designers to size capacitance and thermal margins with confidence.

Backed by Nichicon’s UWT series specifications—RoHS compliance, carrier-tape compatibility, and clear electrical and temperature performance—this part is appropriate for compact, high-density PCB layouts that require predictable long-term behavior under elevated temperature stress.

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