ULD1H220MDD

The ULD1H220MDD is a radial-lead aluminum electrolytic capacitor offering 22 µF capacitance at a 50 V rating in a compact φ5×11 mm can. It belongs to Nichicon’s ULD series of miniature, long-life electrolytic capacitors and is designed for general-purpose electronic applications.

Engineered for reliability in elevated-temperature environments, this part provides a rated operating range of −40 °C to +105 °C and a specified endurance of 10,000 hours at 105 °C. The ULD series is noted as suited for power supplies for LED lighting.

Key Features

• Capacitance & Voltage — 22 µF nominal capacitance with a 50 V rated voltage, suitable for a range of general-purpose circuits.
• Capacitance Tolerance — ±20% tolerance at 20 °C, 120 Hz.
• Loss Tangent — tanδ (DF) = 0.19 measured at 20 °C, 120 Hz, providing defined dissipation characteristics.
• Ripple Current Ratings — Low-frequency ripple current 74.25 mA at 120 Hz and high-frequency ripple current 135 mA at 100 kHz, specified for application-level ripple handling.
• Leakage Current — 11 µA nominal leakage current, supporting low-leakage requirements.
• Long-Life Endurance — Rated for 10,000 hours at 105 °C under specified test conditions.
• Temperature Range — Rated for operation from −40 °C to +105 °C.
• Mechanical & Mounting — Radial lead, polarized can with φ5×11 mm body and 2.0 mm lead spacing (±0.5 mm).
• Packaging — Supplied in bulk (no terminal forming) or bag packing to support prototyping and low-volume production.
• Compliance — RoHS compliant.

Typical Applications

• LED Lighting Power Supplies — Suited for power supply circuits in LED lighting, as identified for the ULD series.
• General-Purpose Electronics — Intended for general-purpose uses where a compact, polarized electrolytic capacitor is required.
• Radial Through-Hole Designs — Provides a small-footprint radial-lead option for through-hole assemblies and prototype boards.

Unique Advantages

• Compact Long-Life Package: φ5×11 mm footprint with 10,000 h endurance at 105 °C enables space-efficient designs that require defined long-term reliability.
• Clearly Specified Electrical Performance: 22 µF at 50 V with defined tanδ and leakage current figures allows predictable behavior in design calculations.
• Wide Operating Temperature: −40 °C to +105 °C rating supports deployment across a broad range of environmental conditions.
• Ripple Current Characterization: Separate low- and high-frequency ripple current ratings (74.25 mA at 120 Hz, 135 mA at 100 kHz) aid selection for power-filtering roles.
• Radial Lead Convenience: Standard 2.0 mm lead spacing and bulk/bag packaging simplify handling and assembly for through-hole workflows.
• RoHS Compliance: Meets RoHS requirements for lead-free regulatory compliance in applicable regions.

Why Choose ULD1H220MDD?

The ULD1H220MDD positions itself as a compact, long-life aluminum electrolytic solution for designers needing a polarized capacitor with well-defined electrical and thermal specifications. Its combination of 22 µF/50 V rating, documented ripple current values, low leakage, and 10,000-hour endurance at 105 °C delivers predictable performance for general-purpose electronics and LED power-supply applications.

This part is appropriate for engineers and procurement teams seeking a miniature radial-lead capacitor with clear datasheet parameters for thermal endurance and electrical behavior, and for those who require RoHS-compliant components for through-hole assemblies and prototyping workflows.

For pricing, lead-time or to request a quote for ULD1H220MDD, please submit a quote request or contact sales with your order details and required quantities.