ULD2A6R8MDD

The ULD2A6R8MDD is a radial-lead aluminum electrolytic capacitor from Nichicon's ULD series, specified for general-purpose electronic applications. It provides 6.8 µF capacitance with a tolerance of -20% to 20% in a miniature radial can intended for through-hole assemblies.

Designed for long-life operation and elevated temperatures, the part is specified with an endurance rating of 20000 hours at 105°C and an operating temperature range of -40°C to +105°C. Packaging options include bulk (no terminal forming) and bag packing. Status: End Of Life.

Key Features

• Capacitance & Tolerance — 6.8 µF with tolerance of -20% to 20%.
• Rated Voltage — 100 V rated voltage as specified in the product data.
• Loss Angle (tan δ) — tan δ (DF) 0.24 measured at 20°C, 120 Hz.
• Ripple Current — Low-frequency ripple current: 29.4 mA at 120 Hz; high-frequency ripple current: 70 mA at 100 kHz (values provided in the specifications).
• Leakage Current — 208.8 µA (listed in product description).
• Long Endurance — Endurance/life rating of 20000 hours at 105°C as specified for the ULD series.
• Operating Temperature — Rated for −40°C to +105°C.
• Package & Mounting — Radial lead can; size listed as φ10 × 16 mm (also noted as L: 1.1 cm × D: 0.5 cm in dimensional data). Lead spacing 2 mm with 0.5 mm tolerance; bulk or bag packing.
• Environmental — RoHS compliant.

Typical Applications

• LED Lighting Power Supplies — The ULD series is identified as suited for power supplies for LED lighting, providing long-life filtering in LED driver circuits.
• General-Purpose Electronics — Specified as a general-purpose aluminum electrolytic capacitor for use where polarized, through-hole capacitance is required.
• Through-Hole Power Modules — Radial lead package and compact can size accommodate through-hole power-supply and board-level assemblies.

Unique Advantages

• Long operational life: Specified endurance of 20000 hours at 105°C supports extended service in high-temperature environments.
• Wide temperature capability: Rated for −40°C to +105°C to cover a broad range of environmental conditions.
• Radial can package for easy assembly: Radial lead format with 2 mm lead spacing simplifies through-hole placement and mechanical retention.
• Compact footprint: φ10 × 16 mm can delivers usable capacitance in a small radial package for space-constrained designs.
• Measured electricals: Documented tan δ, ripple current and leakage current values enable predictable behavior in power-filtering applications.
• RoHS compliant: Meets RoHS requirements for restricted substances as listed in the product data.

Why Choose ULD2A6R8MDD?

ULD2A6R8MDD combines a compact radial-can form factor with documented electrical parameters and long-life endurance, making it a practical choice for through-hole power-supply and general-purpose applications—particularly where LED lighting power supplies are a target use. The part's specified operating range and lifetime figures provide clarity for thermal and lifecycle planning in production designs.

Its radial-lead packaging, documented ripple and leakage figures, and RoHS compliance support straightforward integration into existing BOMs and manufacturing processes. Note that this part is listed as End Of Life; evaluate current availability and alternative ULD series options as needed for long-term designs.

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