UHW1H391MPD

The UHW1H391MPD is a radial‑lead aluminum electrolytic capacitor from Nichicon's UHW series, offering a 390 µF capacitance at 50 V in a compact φ10 × 25 mm can. It combines a small package with the series’ low impedance and high ripple current capability for general‑purpose electronic applications.

Engineered for reliability, the part is specified for operation from −40 °C to 105 °C with a 10,000‑hour endurance at 105 °C, and is available in bulk/bag packaging for production use.

Key Features

• Electrical Performance — 390 µF capacitance at 50 V with an impedance of 84 mΩ and tangent of loss angle (tanδ) of 0.10 measured at 20 °C, 120 Hz.
• High Ripple Current — Low‑frequency ripple current of 1.21 A (120 Hz) and high‑frequency ripple current of 2.42 A (10 kHz), supporting higher AC stress in compact designs.
• Leakage Current — Specified leakage current of 195 µA, suitable for a wide range of general‑purpose power applications.
• Reliability & Endurance — Rated life of 10,000 hours at 105 °C when used under the specified conditions, consistent with UHW series endurance specifications.
• Temperature Range — Wide operating temperature range from −40 °C to 105 °C for stable performance across common environmental conditions.
• Compact Radial Package — φ10 × 25 mm can with 5 mm lead spacing (±0.5 mm), radial lead mounting for through‑hole assemblies and hand or machine insertion.
• Manufacturing & Compliance — Delivered in bulk (no terminal forming) or bag packing; RoHS compliant and in mass production.

Typical Applications

• General‑Purpose Power Filtering — Acts as a bulk or reservoir capacitor in circuits that require 50 V rated capacitance and elevated ripple handling.
• Power Supply Decoupling — Provides energy smoothing and transient support in designs where a compact, high‑ripple component is needed.
• Embedded and Industrial Electronics — Fits thru‑hole boards requiring a reliable aluminum electrolytic with defined endurance at elevated temperatures.

Unique Advantages

• Compact footprint with high capacity: 390 µF in a φ10 × 25 mm can minimizes board space while delivering significant capacitance for 50 V systems.
• High ripple capability: Specified ripple currents at 120 Hz and 10 kHz allow designers to manage AC stress without up‑sizing the capacitor.
• Long life at elevated temperature: 10,000 hours at 105 °C provides predictable long‑term behavior in thermally demanding environments.
• Low loss and low impedance: tanδ of 0.10 and 84 mΩ impedance support efficient filtering and reduced heat generation under load.
• Through‑hole convenience: Radial lead package and standard 5 mm lead spacing simplify assembly for through‑hole and mixed‑technology boards.
• Production ready: Available in bulk or bag packing and listed as mass production, easing procurement for volume builds.

Why Choose UHW1H391MPD?

UHW1H391MPD positions itself as a compact, high‑ripple aluminum electrolytic solution for designers who need 390 µF at 50 V with reliable long‑term performance. Its combination of low impedance, defined ripple current ratings, and a 10,000‑hour endurance at 105 °C makes it suitable for general‑purpose power and decoupling tasks in through‑hole assemblies.

Choose this part when you need predictable thermal and electrical behavior from a miniature radial package backed by Nichicon’s UHW series specifications and RoHS compliance.

Request a quote or contact sales to discuss availability, lead times, and volume pricing for UHW1H391MPD.