UPW1H821MHD6

The UPW1H821MHD6 is a miniature, radial-lead aluminum electrolytic capacitor from Nichicon’s UPW series designed for low-impedance, high-reliability power applications. It delivers 820 µF capacitance at a 50 V rating with construction and specifications targeted at demanding power-conversion and automotive environments.

Optimized for switching power supplies and systems requiring robust ripple handling and long endurance, this part combines high ripple current capability with a wide operating temperature range and AEC-Q200 qualification for automotive use.

Key Features

• Capacitance and Tolerance — 820 µF nominal with ±20% tolerance at 120 Hz, 20°C, providing bulk energy storage and smoothing for power rails.
• Rated Voltage — 50 V DC rating suitable for mid-voltage power supply stages.
• Low Impedance, Low Loss — Rated impedance of 84 mΩ and tanδ (DF) of 0.10 measured at 20°C, 120 Hz for efficient filtering and reduced dissipation.
• High Ripple Current Capability — Supports 1.815 A at 120 Hz (low frequency) and 2.42 A at 10 kHz (high frequency), enabling effective ripple absorption across switching frequencies.
• Reliability & Endurance — Designed for 8,000 hours of life at 105°C; leakage current specified at 1,230 µA supporting long-term stable operation under rated conditions.
• Automotive-Grade Qualification — AEC-Q200 rating and explicit application listing for automotive systems.
• Radial Lead Package — Through-hole radial-can construction with 7.5 mm lead spacing (±0.5 mm) for straightforward PCB mounting and mechanical stability.
• Wide Temperature Range — Specified operation from −55°C to +105°C for use in harsh environments.
• Packaging & Availability — Available in bulk (no terminal forming) or bag packing; product is in mass production from Nichicon.

Typical Applications

• Switching Power Supplies — Bulk filtering and output smoothing where low impedance and high ripple current capability improve regulation and transient response.
• Automotive Electronics — Power rail decoupling and energy storage in automotive control modules, leveraging the AEC-Q200 rating and extended temperature range.
• Industrial Power Systems — Voltage stabilization and energy buffering in converters and motor drives that require long endurance at elevated temperatures.

Unique Advantages

• High ripple-handling capacity: Supports 1.815 A at 120 Hz and 2.42 A at 10 kHz, reducing ripple amplitude and thermal stress in switching circuits.
• Low ESR/Impedance: 84 mΩ impedance and a 0.10 tanδ at 120 Hz lower losses and improve efficiency in power filtering roles.
• Long-term reliability: Endurance rating of 8,000 hours at 105°C provides predictable aging behavior for designs requiring longevity.
• Automotive suitability: AEC-Q200 qualification and explicit automotive application listing enable use in vehicle electronics with defined quality expectations.
• Easy integration: Radial lead can with 7.5 mm lead spacing simplifies through-hole PCB placement and mechanical mounting.
• Manufacturer-backed production: Mass-production status from Nichicon’s UPW series ensures supply continuity for volume designs.

Why Choose UPW1H821MHD6?

The UPW1H821MHD6 blends high capacitance and low impedance with automotive-grade reliability, making it a practical choice for designers of switching power supplies and automotive or industrial power systems. Its combination of 820 µF at 50 V, strong ripple-current ratings, AEC-Q200 qualification, and extended temperature operation supports robust, long-life power designs.

This part is well suited for engineers who need predictable endurance and ripple performance in through-hole form factors and who require components from a mass-production, established series by Nichicon.

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