UHE1A822MHD

The UHE1A822MHD is a radial-lead aluminum electrolytic capacitor offering 8.2 mF capacitance at 10 V in a compact φ16 × 35.5 mm can. It combines low impedance, high ripple-current capability and long endurance for general-purpose electronic power applications.

Designed for through-hole mounting, this RoHS-compliant part targets general-purpose power filtering, decoupling and bulk energy storage where compact size, high ripple handling and extended life at elevated temperature are required.

Key Features

• Capacitance and Voltage — 8200 µF nominal capacitance at a rated voltage of 10 V with ±20% tolerance, suitable for bulk smoothing and decoupling in low-voltage DC systems.
• Low Impedance — Rated impedance of 44 mΩ, supporting effective ripple attenuation and transient response in power rails.
• High Ripple Current — Low-frequency ripple current 2.888 A (120 Hz) and high-frequency ripple current 3.61 A (10 kHz), enabling sustained AC loading across common power frequencies.
• Long Endurance — Qualified for 8000 hours at 105°C under rated bias and ripple, providing extended lifetime in thermally demanding environments.
• Wide Temperature Range — Operates from −40°C to +105°C to accommodate a broad range of ambient conditions.
• Compact Radial-Lead Package — φ16 × 35.5 mm can with 7.5 mm lead spacing and radial-lead mounting for easy through-hole assembly and robust mechanical attachment.
• Leakage and Dissipation — Specified leakage current of 820 µA and measured tanδ (DF) of 0.33 at 20°C, 120 Hz for predictable loss and self-heating behavior.
• Compliance and Availability — RoHS-compliant and in mass production; available in bulk or bag packaging (no terminal forming).

Typical Applications

• General-Purpose Power Supplies — Bulk smoothing and decoupling on 10 V rails where 8.2 mF capacitance and low impedance reduce ripple and support transient loads.
• DC/DC Converter Output Filtering — High ripple-current capability (120 Hz and 10 kHz figures) helps manage switching and rectified ripple in regulated supplies.
• Energy Storage for Short Bursts — Compact 8.2 mF storage for short-duration energy demands in embedded and industrial circuits.
• Through-Hole Assemblies — Radial-lead package and 7.5 mm lead spacing for reliable through-hole mounting in legacy and mechanically robust board designs.

Unique Advantages

• High Ripple Handling: Specified ripple currents at 120 Hz and 10 kHz enable reliable operation under both low- and high-frequency AC stress.
• Low ESR/Impedance: 44 mΩ impedance improves voltage stability and reduces heat from AC losses in power applications.
• Extended High-Temperature Life: 8000-hour endurance at 105°C supports longer service life in elevated operating temperatures.
• Compact Footprint: φ16 × 35.5 mm can delivers 8.2 mF in a space-efficient form factor for dense board layouts.
• Predictable Leakage and Dissipation: Specified leakage current (820 µA) and tanδ (0.33 at 20°C, 120 Hz) allow conservative thermal and power-loss planning.
• Production-Ready Supply: Mass production status with bulk/bag packaging supports volume assembly and procurement planning.

Why Choose UHE1A822MHD?

The UHE1A822MHD is positioned for designers who need a compact, through-hole aluminum electrolytic capacitor that balances high capacitance with low impedance and reliable high-temperature endurance. Its combination of 8.2 mF at 10 V, quantified ripple-current ratings, and 8000-hour life at 105°C makes it suitable for robust general-purpose power designs requiring predictable electrical and thermal behavior.

This part is a practical choice for engineers specifying bulk energy storage and filtering components in embedded, industrial and other general-purpose electronic systems where RoHS compliance, through-hole mounting and production availability are important considerations.

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