UHW1C471MPD

The UHW1C471MPD is a miniature, high-reliability aluminum electrolytic capacitor in Nichicon's UHW series. It is a radial-lead, polarized capacitor rated at 470 µF and 16 V, designed for general-purpose electronic applications requiring compact size, extended endurance, and high ripple handling.

Key attributes include low impedance at higher frequencies, a broad operating temperature range from −40 °C to 105 °C, and a rated endurance of 9000 hours at 105 °C, making it suitable for space‑constrained designs where sustained performance and reliability are important.

Key Features

• Electrical Capacity — 470 µF capacitance with a tolerance of −20% to +20% measured at 120 Hz, 20 °C.
• Rated Voltage — 16 V DC rating suitable for common low‑voltage power rails.
• Low Loss Factor — tanδ (DF) of 0.15 at 20 °C, 120 Hz for predictable AC loss behavior.
• Low Impedance — 360 mΩ impedance provides effective performance at higher frequencies compared to larger, higher‑impedance parts.
• High Ripple Current Capacity — 600 mA at 120 Hz (low frequency) and 1.2 A at 10 kHz (high frequency) to support circuits with significant AC ripple.
• Leakage Current — Specified leakage current of 75.2 µA after rated voltage application, enabling controlled standby behavior.
• Reliability / Endurance — 9000 hours life rating at 105 °C under rated conditions, reflecting the UHW series’ long-term performance.
• Compact Radial Package — φ8 × 11.5L can with radial leads and 3.5 mm lead spacing (±0.5 mm tolerance), suitable for through‑hole mounting in tight layouts.
• Packaging & Production — Available in bulk (no terminal forming) and bag packing; part is in mass production.
• Environmental Compliance — RoHS compliant.

Typical Applications

• General-purpose electronic equipment — Provides compact, reliable capacitance where a small form factor and long endurance are required.
• Power supply filtering and ripple suppression — Low impedance and high ripple current ratings support smoothing and decoupling on low‑voltage rails.
• Space-constrained or compact PCBs — φ8×11.5 mm can size and radial-lead format fit tight layouts while maintaining required capacitance.

Unique Advantages

• Miniature footprint: φ8 × 11.5L package delivers 470 µF in a small radial can to reduce board space without sacrificing capacitance.
• High ripple handling: 600 mA at 120 Hz and 1.2 A at 10 kHz enable reliable operation in circuits with significant AC ripple stress.
• Long operational life: 9000 hours at 105 °C supports designs that require extended endurance under elevated temperature conditions.
• Predictable AC performance: Low tanδ (0.15 at 20 °C, 120 Hz) and 360 mΩ impedance provide consistent behavior in frequency‑sensitive circuits.
• Through-hole reliability: Radial lead mounting with defined lead spacing and tolerance simplifies PCB placement and assembly for conventional wave or manual processes.
• Regulatory compliance: RoHS status ensures the part meets lead‑restriction requirements for many supply chains.

Why Choose UHW1C471MPD?

UHW1C471MPD positions itself as a compact, high‑reliability aluminum electrolytic solution within Nichicon’s UHW series, combining 470 µF capacitance and a 16 V rating with low impedance and elevated ripple current capability. Its 9000‑hour endurance at 105 °C and RoHS compliance deliver a balance of longevity and regulatory suitability for production designs.

This part is well suited to designers needing a through‑hole, space‑efficient capacitor for general‑purpose power applications where consistent high‑frequency performance and extended life are required. Its defined mechanical and electrical specifications simplify selection and qualification for repeatable manufacturing.

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