UHW1K820MPD

The UHW1K820MPD is a miniature, high‑reliability aluminum electrolytic capacitor in a radial‑lead can designed for general‑purpose electronic designs. It delivers 82 µF capacitance at a rated voltage of 80 V, combining a compact φ10 × 12.5 mm can with robust electrical performance for power filtering and decoupling tasks.

Optimized for high ripple environments, this radial lead unit offers low impedance at high frequency, elevated ripple handling, and long life at elevated temperature (12,000 h at 105 °C), making it suitable for demanding industrial and electronic applications where reliability and compact size are required.

Key Features

• Capacitance & Voltage — 82 µF rated capacitance with an 80 V working voltage and capacitance tolerance of −20% to +20%.
• High Ripple Current — Low frequency ripple current of 512 mA at 120 Hz and high frequency ripple capability of 1.28 A at 10 kHz, supporting applications with substantial AC ripple.
• Low Loss / Low Impedance — Measured impedance of 660 mΩ and tan δ (loss tangent) of 0.09 at 20 °C, 120 Hz, enabling efficient high‑frequency performance and reduced heating.
• Long Endurance — Rated for 12,000 hours at 105 °C under the specified endurance test conditions, supporting extended operational life in hot environments.
• Radial Lead Packaging — φ10 can with 12.5 mm length, 5.0 mm lead spacing (±0.5 mm), and radial lead mounting style for through‑hole PCB designs; available in bulk or bag packing.
• Leakage Current — Low leakage current specified at 65.6 µA under rated conditions, aiding in low‑loss standby and bias circuits.
• Wide Temperature Range & Compliance — Operating temperature from −40 °C to +105 °C and RoHS compliant.

Typical Applications

• Power supply filtering — Use for bulk smoothing and ripple reduction in DC power rails where 80 V rating and high ripple capability are required.
• DC‑DC converter output — Suited to output decoupling in converters that demand low impedance and high frequency ripple handling.
• Industrial control electronics — Applicable in control and instrumentation designs that need long endurance at elevated temperatures (12,000 h at 105 °C).

Unique Advantages

• Compact footprint with high voltage — φ10 × 12.5 mm can provides 82 µF at 80 V for space‑constrained board layouts without sacrificing voltage capability.
• High ripple tolerance — Specified ripple currents (512 mA at 120 Hz, 1.28 A at 10 kHz) reduce the need for oversized capacitors and help manage thermal stress under ripple loading.
• Improved high‑frequency behavior — Low impedance (660 mΩ) and tan δ of 0.09 at 120 Hz support efficient decoupling at higher switching frequencies.
• Durability at elevated temperature — 12,000 h endurance at 105 °C provides predictable aging and lifecycle planning for long‑lived systems.
• Through‑hole reliability and handling — Radial lead format and standard 5 mm lead spacing simplify prototype assembly and robust mechanical mounting.
• Regulatory compliance — RoHS compliant for designs requiring hazardous substance conformity.

Why Choose UHW1K820MPD?

The UHW1K820MPD positions itself as a compact, high‑reliability radial aluminum electrolytic capacitor that balances high voltage rating, substantial ripple handling, and long life at elevated temperatures. Its low impedance and controlled loss tangent make it a practical choice for power rails and decoupling in industrial and general‑purpose electronic designs.

This part suits designers and procurement teams seeking a proven, through‑hole capacitor solution with clear electrical parameters (82 µF, 80 V, specified ripple currents, leakage, and endurance) for reliable system operation and predictable lifecycle planning.

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