UPM1H391MHD6

The UPM1H391MHD6 is a radial-lead aluminum electrolytic capacitor in Nichicon’s UPM series, providing 390 µF capacitance at a 50 V rating. It is designed for demanding environments where low impedance and high reliability are required.

Key design attributes include a compact 16 mm diameter × 15 mm length can, polarized radial leads with 7.5 mm lead spacing, AEC-Q200 qualification, RoHS compliance, and a rated operating temperature range of −55°C to +105°C with a 5000 hour load-life at +105°C.

Key Features

• Capacitance & Voltage — 390 µF nominal capacitance with a 50 V rated voltage and ±20% tolerance at 120 Hz, 20°C.
• Low Impedance — Rated impedance of 55 mΩ supports applications requiring reduced ESR.
• High Ripple Handling — Specified ripple currents of 594 mA at 120 Hz and 990 mA at 200 kHz for effective AC smoothing and decoupling under load.
• High-Temperature Endurance — Endurance specified at 5000 hours at +105°C (for applicable case sizes), supporting prolonged operation in elevated-temperature environments.
• Automotive-Grade Qualification — AEC-Q200 qualified per product data for designs requiring automotive reliability standards.
• Wide Operating Range — Rated for operation from −55°C to +105°C.
• Package & Mounting — Radial can construction with 7.5 mm lead spacing and polarized radial leads; supplied in bulk packaging for production use.
• Regulatory Compliance — Compliant with RoHS directive (2011/65/EU, (EU)2015/863).

Typical Applications

• Automotive systems — AEC-Q200 qualification and 5000 hour endurance at +105°C make this capacitor suitable for automotive electronic modules requiring long-term thermal reliability.
• Power smoothing in vehicle electronics — 390 µF capacitance combined with 55 mΩ impedance and specified ripple currents (594 mA @120 Hz, 990 mA @200 kHz) supports smoothing and ripple attenuation in automotive power rails.
• Production and stocking — Radial lead form and bulk packaging simplify through-hole assembly and inventory management for high-volume electronic manufacturing.

Unique Advantages

• Proven high-temperature durability — 5000 hour load-life at +105°C delivers a measurable endurance metric for thermal stress applications.
• Automotive-grade qualification — AEC-Q200 qualification provides a documented suitability path for automotive electronics designs.
• Measurable low ESR — 55 mΩ impedance helps reduce losses and improve ripple performance in power delivery circuits.
• Clear ripple-current specifications — Defined ripple currents at 120 Hz and 200 kHz allow engineers to size components with confidence for AC stress conditions.
• Compact radial-can footprint — 16 mm diameter and 15 mm length in a radial package deliver a space-efficient solution for through-hole assemblies.
• Environmental compliance — RoHS conformity supports regulatory requirements for lead-free production environments.

Why Choose UPM1H391MHD6?

UPM1H391MHD6 combines the UPM series’ low-impedance design with documented high-temperature endurance and AEC-Q200 qualification, making it a focused choice for automotive and other high-reliability power applications. Its defined ripple-current ratings and measured impedance make component selection and thermal budgeting more straightforward for engineering and procurement teams.

This radial-lead, bulk-packaged capacitor is suited to designs that require a compact, polarized aluminum electrolytic with verifiable performance at elevated temperatures and industry-standard environmental compliance.

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