UCD1K331MNS1MS

The UCD1K331MNS1MS is a chip‑type aluminum electrolytic capacitor engineered for surface‑mount applications that require low impedance and sustained operation at elevated temperatures. With a 330 µF capacitance and an 80 V rating, it is designed for high‑density PCBs and automated assembly using carrier tape.

Targeted at automotive and industrial electronics, this component delivers measurable ripple handling, a broad operating temperature range up to +105°C, and AEC‑Q200 qualification for demanding environments.

Key Features

• Capacitance and Voltage — 330 µF nominal capacitance with an 80 V rated voltage, providing high stored energy in a compact SMD can package.
• Low Impedance Design — Chip‑type construction optimized for low impedance; specified ripple currents of 396.5 mA at 120 Hz and 793 mA at 10 kHz indicate capability to handle AC ripple and switching noise.
• High Temperature Endurance — Operating temperature range from −55 °C to +105 °C and a rated lifetime of 5000 hours at 105 °C for sustained high‑temperature use.
• Automotive Grade — AEC‑Q200 qualified and explicitly listed for automotive applications, supporting use in vehicle electronics where qualification matters.
• Surface Mount, Tape‑Feed Compatible — Designed for surface mounting on high‑density PCBs and applicable to automatic mounting machines fed with carrier tape for efficient assembly.
• Compliance and Reliability — RoHS compliant and polarized electrolytic design with ±20% capacitance tolerance, suitable for standard polarized power circuits.
• Compact Package — Radial, can SMD package with dimensions L: 1.65 × D: 1.6 cm and recommended land size L: 1.63 × W: 1.63 cm for footprint planning.

Typical Applications

• Automotive Power Supplies — Bulk smoothing and decoupling on DC‑DC converter outputs and power rails where AEC‑Q200 qualification and high temperature endurance are required.
• Motor Control and Drive Electronics — Local energy storage and ripple suppression for inverter and drive circuits that present high ripple currents at low and high frequencies.
• Infotainment and Body Electronics — Decoupling and bulk capacitance on compact, high‑density PCBs used in infotainment modules, telematics units, and body control modules.
• Industrial Power Modules — Power smoothing and filtering in compact SMD assemblies where automated placement and thermal endurance simplify manufacturing and reliability.

Unique Advantages

• AEC‑Q200 Qualification: Provides a documented qualification path for automotive applications, supporting integration into vehicle electronics designs.
• Low Impedance, Measured Ripple Capability: Specified ripple currents at 120 Hz and 10 kHz help designers quantify performance for switching supplies and high‑frequency loads.
• High Temperature Lifetime: Rated for operation up to +105 °C with a 5000‑hour lifetime at that temperature, enabling use in thermally challenging locations.
• Assembly‑Friendly SMD Can: Chip‑type SMD construction and carrier‑tape compatibility streamline automated placement on high‑density PCBs.
• Compact Footprint with Standard Tolerance: 330 µF ±20% tolerance in a compact radial can SMD package simplifies board layout while providing significant bulk capacitance.
• Regulatory Compliance: RoHS compliance supports use in regulated markets and simplifies end‑product approvals.

Why Choose UCD1K331MNS1MS?

The UCD1K331MNS1MS combines a high capacitance and 80 V rating with a low‑impedance chip design and proven high‑temperature endurance, making it well suited for automotive and industrial power applications that require reliable bulk energy storage and ripple suppression. Its AEC‑Q200 qualification and RoHS compliance align it with demanding quality and regulatory requirements.

This capacitor is ideal for designers specifying polarized bulk capacitance on compact, high‑density PCBs assembled with automated pick‑and‑place lines. It offers a clear specification set—capacitance, voltage, ripple current, temperature range, and lifetime—to support robust design decisions and long‑term deployments.

Request a quote or contact sales to discuss availability, lead times, and how UCD1K331MNS1MS can fit into your next design.