ULV2G3R9MNL1GS

The ULV2G3R9MNL1GS is a chip-type aluminum electrolytic capacitor designed for high-voltage applications that demand long service life and surface-mount assembly. Built on Nichicon’s ULV series architecture, this polarized SMD can delivers 3.9 µF capacitance at a 400 V rating with a tolerance of ±20%.

Engineered for demanding environments, the part targets automotive and power-electronics use cases where extended life at elevated temperature, stable ripple performance, and automated board assembly are required.

Key Features

• High Voltage, Chip-Type Construction — 400 V rated chip-style aluminum electrolytic capacitor suitable for surface-mount placement.
• Long Life Endurance — Rated for 10000 hours at +105°C, providing extended operational lifetime under high-temperature load conditions.
• Polarized, Tight Tolerance — 3.9 µF nominal capacitance with ±20% tolerance; polarized design for correct orientation in DC circuits.
• Surface-Mount Package — Radial can, SMD package optimized for automated placement; compatible with carrier-tape mounting.
• Temperature Range — Operates from -40°C to +105°C to support elevated-temperature applications.
• Ripple Current Performance — Specified ripple current of 35 mA at 120 Hz and 56 mA at 10 kHz for filtering and decoupling in power paths.
• Automotive-Grade Qualification — AEC-Q200 qualified and RoHS compliant, supporting designs that require recognized reliability standards.
• Board Land Pattern — Recommended surface-mount land size: 8.3 × 8.3 mm, enabling predictable PCB layout and assembly.

Typical Applications

• Automotive Power Systems — Energy storage and smoothing in 400 V automotive subsystems where long life at elevated temperature and AEC-Q200 qualification are required.
• DC–DC Converters — Input/output decoupling and bulk filtering for high-voltage converter stages, leveraging the 400 V rating and ripple current specs.
• Power Conditioning — EMI/RFI suppression and transient smoothing in power supplies and conditioning modules operating up to +105°C.
• Surface-Mount Power Modules — Compact SMD radial-can package suited to automated assembly and dense PCB layouts.

Unique Advantages

• Extended High-Temperature Life: 10000-hour load life at +105°C reduces frequent maintenance and replacement in heat-stressed installations.
• High-Voltage Capability: 400 V rating allows use in elevated-voltage power rails and DC-link applications without overspecifying components.
• Automated Assembly Ready: Carrier-tape compatibility and SMD packaging streamline high-volume manufacturing and lower assembly cost.
• Automotive Reliability: AEC-Q200 qualification and RoHS compliance provide traceable quality for regulated applications.
• Practical Footprint: Compact chip-style dimensions with a defined 8.3 × 8.3 mm land pattern facilitate space-efficient PCB designs.

Why Choose ULV2G3R9MNL1GS?

ULV2G3R9MNL1GS combines 400 V high-voltage capability with a compact SMD aluminum electrolytic package and a long 10000-hour life at +105°C, making it suitable for engineers designing durable, space-efficient power subsystems. Its AEC-Q200 qualification and RoHS compliance make it a reliable choice for regulated and high-reliability environments.

This capacitor is well suited to teams building high-voltage DC–DC stages, automotive power modules, and other systems where predictable ripple handling, temperature tolerance, and automated assembly are priorities. Choosing this part supports robust, long-lived designs with clear manufacturer-backed specifications.

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