ULD2W680MHD

The ULD2W680MHD is a miniature, radial-lead aluminum electrolytic capacitor in Nichicon’s ULD series, designed for long-life performance in power applications. With a 68 µF capacitance at a 450 V rating and a rated operating temperature range of -40 °C to +105 °C, it is intended for general-purpose use and is specifically suited for power supplies for LED lighting.

Built for durability, this part delivers a rated load life of 20000 hours at +105 °C and is RoHS compliant (2011/65/EU, (EU)2015/863), making it suitable for designs that require extended high-temperature reliability in a compact, radial-can package.

Key Features

• Capacitance & Voltage — 68 µF capacitance with a 450 V rated voltage for high-voltage power applications.
• Long Life — Rated load life of 20000 hours at +105 °C, specified by the ULD series endurance characteristics.
• Wide Temperature Range — Operates from -40 °C to +105 °C to support a broad set of environmental conditions.
• Radial Lead Package — Through-hole radial lead, can-style package with 7.5 mm lead spacing for reliable PCB mounting.
• Ripple Current Capability — Specified ripple current of 520 mA at 120 Hz and 936 mA at 100 kHz to accommodate AC ripple in power circuits.
• Compact Physical Size — Body dimensions of L: 3.05 × D: 1.8 cm, offering a small footprint for space-constrained designs.
• Environmental Compliance — RoHS compliant to 2011/65/EU and (EU)2015/863 requirements.

Typical Applications

• LED Lighting Power Supplies — Suited for use in LED driver power supplies where long life at elevated temperatures is required.
• General-Purpose Power Electronics — Applicable to general-purpose power circuits requiring a high-voltage electrolytic capacitor in a compact radial package.
• High-Temperature Systems — Designed for systems that need sustained performance up to +105 °C over extended operating periods.

Unique Advantages

• Extended High-Temperature Lifetime: 20000 hours at +105 °C provides long-term reliability in demanding thermal environments.
• High-Voltage Capability: 450 V rating supports high-voltage power rails and reduces the need for multiple lower-voltage capacitors in series.
• Compact Footprint: Small body dimensions (3.05 × 1.8 cm) and radial lead form factor simplify layout in space-limited PCBs.
• Defined Ripple Performance: Specified ripple current values at 120 Hz and 100 kHz help designers validate thermal and ripple handling in power designs.
• RoHS Compliance: Meets 2011/65/EU and (EU)2015/863 directives for restricted substances, supporting regulatory requirements.

Why Choose ULD2W680MHD?

ULD2W680MHD combines a high-voltage 450 V rating with a 68 µF capacitance in a miniature radial-can package, delivering a balance of voltage capability and compact size for power supply applications. Its 20000-hour endurance at +105 °C and defined ripple current specifications make it a reliable choice for LED lighting power supplies and other general-purpose power electronics that demand long-term stability at elevated temperatures.

As part of the ULD series, this capacitor aligns with designers who need long-life, high-temperature performance in through-hole assemblies, while also meeting RoHS environmental standards for regulated applications.

Please request a quote or submit an inquiry referencing part number ULD2W680MHD to check availability, lead times, and pricing for your project needs.