ULD2D100MPD

The ULD2D100MPD is a radial-lead aluminum electrolytic capacitor engineered for long-life power applications. It delivers 10 µF capacitance at a 200 V rating in a compact φ8×11.5 mm can with 3.5 mm lead spacing.

Designed for general-purpose power filtering and supply smoothing, this part combines a wide operating range (−40°C to 105°C) with endurance characteristics tailored for demanding environments—specifically a 15,000 hour load life at 105°C for the φ8×11.5L package—making it a practical choice where sustained performance and compact size matter.

Key Features

• Electrical performance — 10 µF capacitance with tolerance −20% to +20% and rated voltage of 200 V, suitable for mid-voltage power rail decoupling and smoothing.
• Loss characteristics — tan δ (DF) of 0.24 measured at 20°C, 120 Hz and 200 V, providing a quantifiable dissipation factor for design verification.
• Ripple handling — Low-frequency ripple current of 80 mA at 120 Hz and high-frequency ripple current of 152 mA at 100 kHz, offering defined AC current capability across common ripple spectra.
• Low leakage — Leakage current specified at 180 µA, enabling predictable standby and no-load behavior.
• Long-life reliability — Rated for 15,000 hours at 105°C for the φ8×11.5L size, reflecting series long-life design for sustained high-temperature operation.
• Compact radial package — φ8×11.5L can with 3.5 mm lead spacing (±0.5 mm tolerance); available in bulk (no terminal forming) or bag packing to suit assembly preferences.
• Wide temperature range — Operational from −40°C to 105°C, supporting elevated-temperature power system environments.
• RoHS compliant — Meets RoHS requirements as noted in product documentation.

Typical Applications

• LED lighting power supplies — Provides smoothing and filtering for LED drivers where sustained performance at elevated temperatures is required.
• Industrial power supplies — Used for bulk or decoupling capacitance in mid-voltage rails up to 200 V, benefiting from long-life endurance.
• DC‑DC converter output filtering — Compact radial can and defined ripple current ratings support output smoothing in discrete converter designs.
• General-purpose power filtering — Suitable for applications that require predictable leakage and dissipation factor over a broad temperature range.

Unique Advantages

• Long operational life in a compact footprint: 15,000 hour endurance at 105°C for the φ8×11.5L package lets designers meet lifetime targets without large can sizes.
• Mid-voltage capability: 200 V rating provides headroom for a range of power rails and converter topologies where higher voltage tolerance is needed.
• Measured ripple performance: Specified low- and high-frequency ripple currents (80 mA @120 Hz, 152 mA @100 kHz) simplify thermal and ripple budgeting.
• Predictable leakage and dissipation: 180 µA leakage current and tan δ = 0.24 at 120 Hz give clear electrical parameters for reliable system-level behavior.
• Radial lead convenience: Through-hole radial leads with 3.5 mm spacing support easy assembly and mechanical robustness in hand- or wave-assembled boards.
• Regulatory compliance: RoHS compliance reduces material compliance risk in many markets.

Why Choose ULD2D100MPD?

ULD2D100MPD balances compact mechanical dimensions with long-life performance and defined electrical characteristics, making it well suited for designers who need reliable mid-voltage capacitance in constrained spaces. Its 200 V rating, controlled leakage and dissipation factor, and specified ripple currents help simplify thermal and electrical margining in power supply and LED driver designs.

This part is ideal for engineers specifying capacitors for general-purpose power filtering and smoothing where extended endurance at elevated temperature and predictable performance are required. The radial package and packing options support a range of assembly workflows while RoHS compliance addresses material restriction requirements.

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