UCA2W6R8MPD

The UCA2W6R8MPD from Nichicon is a miniature-sized, radial-lead aluminum electrolytic capacitor engineered for high-ripple, high-voltage applications. As part of the UCA series, it delivers 6.8 µF capacitance at a rated voltage of 450 V in a compact radial can package.

Designed for general-purpose power electronics, the UCA2W6R8MPD is suited to power supply and ballast applications where compact size, high ripple handling and long life at elevated temperatures are required. Note: this product is scheduled for discontinuation and is not recommended for new designs.

Key Features

• High Voltage & Capacitance — Rated at 450 V with 6.8 µF nominal capacitance and ±20% tolerance, providing a compact high-voltage energy storage option.
• High Ripple Current Performance — Rated ripple current of 150 mA at 100 kHz and 75 mA at 120 Hz, suitable for applications with significant AC ripple content.
• Long Life at Elevated Temperature — Specified lifetime of 10,000 hours at +105°C, enabling sustained operation in hot environments.
• Low Leakage Current — Leakage current for this part is 222.4 µA (calculated per datasheet specification: 0.04CV + 100 µA), supporting low-standby-loss circuits.
• Compact Radial Can Format — Radial lead mounting with 5 mm lead spacing and a 10 mm diameter × 20 mm length footprint (L: 2 cm × D: 1 cm), simplifying PCB layout in constrained spaces.
• Polarized, General-Purpose Design — Polarized aluminum electrolytic intended for a wide range of general-purpose power electronics uses.
• RoHS Compliant — Manufactured in accordance with RoHS requirements.

Typical Applications

• Power Supplies — Bulk or filtering capacitor in high-voltage DC power supplies where a compact 450 V capacitor with high ripple capability is needed.
• Ballasts — Suitable for ballast circuits that require stable capacitance and long life at elevated operating temperatures.
• General-Purpose Power Electronics — Use in industrial and commercial power conversion, filtering, and energy-storage roles where radial-lead packaging and high-voltage rating are required.

Unique Advantages

• 450 V Rating: Supports higher-voltage DC systems without series stacking, simplifying design.
• Compact Footprint: 10 mm diameter × 20 mm length and 5 mm lead spacing enable space-efficient PCB layouts in tight enclosures.
• Elevated Ripple Capability: 150 mA @ 100 kHz (and 75 mA @ 120 Hz) addresses ripple currents typical in switching and rectifier circuits.
• Extended High-Temperature Life: 10,000 hours at +105°C provides predictable lifetime performance in hot operating environments.
• Controlled Leakage: Leakage current specified at 222.4 µA per the datasheet formula, aiding low-loss designs.
• RoHS Compliance: Conforms to RoHS for restricted-substance requirements.

Why Choose UCA2W6R8MPD?

The UCA2W6R8MPD is positioned for engineers needing a compact, high-voltage aluminum electrolytic capacitor with solid ripple handling and proven lifetime at elevated temperatures. Its radial can package and 5 mm lead spacing make it straightforward to integrate into existing PCB layouts for power supplies, ballast equipment, and general-purpose power electronics.

Where dependable long-term operation at up to +105°C and controlled leakage are priorities, this Nichicon UCA-series part provides a focused combination of voltage rating, capacitance and ripple performance. Please note the part is scheduled for discontinuation and is not recommended for new designs; verify availability if considering it for existing equipment or spares support.

Request a quote or contact sales to confirm availability, lead times and to discuss quantity pricing or alternatives for your specific application needs.