ULD2W220MHD6

The ULD2W220MHD6 is a miniature, radial-lead aluminum electrolytic capacitor from Nichicon’s ULD series. It provides a 22 µF capacitance at a 450 V rating in a compact radial-can package suited for power electronics.

Designed for long-life operation, this part is targeted at general-purpose power supply applications, including power supplies for LED lighting, where high voltage capability, compact size, and extended endurance are required.

Key Features

• Capacitance & Voltage: 22 µF nominal capacitance with a 450 V rated voltage, suitable for high-voltage DC applications.
• Long Life Endurance: Rated for 20000 hours at +105°C under the ULD series long-life specification, offering extended operational lifespan in high-temperature environments.
• Wide Operating Temperature Range: Operates from −40°C to +105°C to accommodate elevated-ambient designs.
• Ripple Current Performance: Ripple handling listed as 292 mA at 120 Hz and 525.6 mA at 100 kHz, supporting typical power-supply ripple conditions.
• Compact Radial Package: Radial, can-style package with a lead spacing of 7.5 mm and dimensions L: 2 cm × D: 1.6 cm for space-constrained layouts.
• Polarized, Through-Hole Mounting: Polarized aluminum electrolytic with radial leads for robust through-hole assembly and mechanical stability.
• RoHS Compliant: Conforms to the RoHS directive (2011/65/EU, (EU)2015/863), supporting restricted-substance requirements.
• Tolerance: Capacitance tolerance of −20% to +20% (±20%).

Typical Applications

• LED Lighting Power Supplies — Suited for DC link and filtering in LED driver power supplies where high voltage and long-term stability are needed.
• General Purpose Power Supplies — Provides bulk capacitance and ripple smoothing in compact, high-voltage power-supply designs.
• High-Temperature Electronics — Appropriate for designs requiring operation up to +105°C with extended endurance.

Unique Advantages

• Extended Operational Life: 20000 hours at +105°C delivers predictable life performance for long-duty applications.
• High-Voltage Capability: 450 V rating enables use in higher-voltage DC systems without series stacking.
• Space-Efficient Form Factor: Miniature radial-can dimensions (2.0 cm × 1.6 cm) and 7.5 mm lead spacing reduce PCB footprint while preserving capacitance.
• Measured Ripple Handling: Specified ripple current values at 120 Hz and 100 kHz give designers concrete parameters for thermal and ripple budgeting.
• Temperature Robustness: −40°C to +105°C range supports deployments across a wide set of environmental conditions.
• Regulatory Compliance: RoHS compliance supports environmentally constrained designs and procurement requirements.

Why Choose ULD2W220MHD6?

The ULD2W220MHD6 balances compact size, high-voltage rating, and long-life endurance for engineers designing power supplies and LED drivers that require reliable bulk capacitance over thousands of hours at elevated temperature. Its radial-can construction and defined ripple-current specifications make it straightforward to integrate into through-hole power assemblies.

This Nichicon ULD-series capacitor is a practical choice for teams seeking component-level reliability and predictable electrical behavior in high-voltage, high-temperature applications where RoHS compliance and long operational life are priorities.

If you would like pricing, lead-time or availability information for ULD2W220MHD6, request a quote or contact sales to discuss your requirements and obtain a formal quotation.