UHW0J123MHD

The UHW0J123MHD from Nichicon is a radial-lead aluminum electrolytic capacitor in the UHW series, offering 12,000 µF capacitance at a 6.3 V rating. It is designed for general-purpose electronic designs that require high ripple capability, low impedance at higher frequencies, and a compact can-style radial package.

Key value drivers include high ripple current handling (3.4 A at 120 Hz, 4.0 A at 10 kHz), a low impedance of 33 mΩ, and long endurance of 10,000 hours at 105°C, delivered in a φ16 × 30.5 mm can with 7.5 mm lead spacing.

Key Features

• Capacitance & Voltage — 12,000 µF nominal capacitance with a rated voltage of 6.3 V and tolerance of −20% to +20% (120 Hz, 20°C).
• High Ripple Current — Rated ripple current of 3.4 A at 120 Hz and 4.0 A at 10 kHz to support demanding AC ripple conditions.
• Low Impedance — Typical impedance of 33 mΩ for improved transient response and reduced voltage droop under load.
• Temperature Range & Endurance — Operates from −40°C to +105°C with a rated lifetime of 10,000 hours at 105°C.
• Physical Package — φ16 × 30.5 mm radial can with 7.5 mm lead spacing (±0.5 mm) offered in bulk (no terminal forming) or bag packing.
• Leakage & Dissipation — Specified leakage current of 756 µA and tangent of loss angle (tanδ) of 0.43 at 20°C, 120 Hz for this capacitance and voltage.
• Compliance — RoHS compliant.

Typical Applications

• General-purpose electronic equipment — Use where a high-capacitance, low-frequency reservoir is needed in general-purpose designs.
• Power supply smoothing — Large capacitance and high ripple current capability make it suitable for smoothing and bulk energy storage in power circuits.
• Compact, high-ripple circuits — Miniature φ16 can size provides significant capacitance in a small footprint for space-constrained power designs.
• High-frequency decoupling — Lower impedance at higher frequencies supports decoupling and ripple reduction up to 10 kHz and beyond.

Unique Advantages

• High ripple-handling capability: 3.4 A (120 Hz) and 4.0 A (10 kHz) ratings support demanding AC and switching conditions.
• Compact high-capacitance solution: 12,000 µF in a φ16 × 30.5 mm can reduces board area compared with larger-diameter options.
• Long high-temperature endurance: 10,000 hours at 105°C provides extended operational life in elevated-temperature environments.
• Low series impedance: 33 mΩ impedance helps minimize voltage drop and improves transient response in power rails.
• Through-hole mounting simplicity: Radial leads with 7.5 mm spacing enable straightforward insertion and soldering in through-hole assemblies.
• Regulatory compliance: RoHS-compliant construction supports regulatory requirements for lead-free assemblies.

Why Choose UHW0J123MHD?

The UHW0J123MHD combines very large capacitance with low impedance and strong ripple-current capability in a compact radial-can package, positioning it for designs that need bulk energy storage and reliable performance under ripple stress. Its 10,000-hour endurance at 105°C and controlled leakage/tanδ values make it suitable for sustained use in elevated-temperature power applications.

This part is well suited to engineers and procurement teams specifying general-purpose power capacitors for compact power supplies, smoothing, and decoupling tasks where a high-capacitance, high-ripple, long-life solution is required from a trusted manufacturer (Nichicon).

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