ULD2G8R2MPD

The ULD2G8R2MPD is a miniature aluminum electrolytic capacitor from Nichicon's ULD series. It is a polarized, radial-lead, can-style capacitor designed for general-purpose applications and specifically suited for power supplies for LED lighting. The part offers a 400 V rated voltage and a long-life endurance specification to support reliable operation in demanding thermal environments.

Key Features

• Capacitance & Voltage — 8.2 µF capacitance with a 400 V rated voltage for high-voltage DC applications.
• Long Life Endurance — Rated for 20000 hours at +105°C, providing extended operational life in high-temperature applications.
• Operating Temperature Range — Specified for −40°C to +105°C to cover a wide range of environmental conditions.
• Package & Mounting — Radial lead, can package (radial lead type) with a lead spacing of 5 mm for through-hole PCB mounting.
• Physical Dimensions — Compact size with dimensions L: 1.6 × D: 1 cm and a seated height of 1.6 cm for space-constrained layouts.
• Ripple Current Capability — Rated ripple currents of 88 mA at 120 Hz and 167.2 mA at 100 kHz to support AC ripple handling in power circuits.
• Tolerance & Polarization — Capacitance tolerance −20% to +20%; polarized electrolytic construction.
• Environmental Compliance — RoHS compliant (2011/65/EU, (EU)2015/863).

Typical Applications

• LED Lighting Power Supplies — Designed for LED driver power supplies where long life at elevated temperature (+105°C) supports product longevity.
• General-Purpose Power Electronics — Suited for general-purpose circuits that require a 400 V rated electrolytic capacitor in a radial lead package.
• High-Voltage DC Filtering — Provides 8.2 µF capacitance at 400 V for DC filtering and decoupling in high-voltage assemblies.

Unique Advantages

• Extended Thermal Endurance: 20000 hour rating at +105°C reduces replacement frequency and supports reliable operation in high-temperature enclosures.
• High-Voltage Capability: 400 V rating enables use in higher-voltage power stages and LED driver topologies without up-rating components.
• Compact, Through-Hole Form Factor: Small L:1.6 × D:1 cm footprint and radial-lead mounting simplify board layout in constrained designs.
• Measured Ripple Performance: Specified ripple currents at 120 Hz and 100 kHz provide guidance for thermal and ripple management in power designs.
• Regulatory Compliance: RoHS compliance supports environmental regulations for product manufacturing and distribution.

Why Choose ULD2G8R2MPD?

ULD2G8R2MPD combines a high 400 V rating with a compact radial-lead can package and a long-life endurance of 20000 hours at +105°C, making it a practical choice for designers building reliable high-voltage power supplies and LED drivers. Its specified ripple current ratings and broad operating temperature range support robust thermal and electrical performance in industrial and lighting applications.

This part is well suited to engineers and procurement teams seeking a long-life, RoHS-compliant aluminum electrolytic capacitor for space-constrained, high-voltage circuits where predictable lifetime and known ripple handling are required.

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