UPW2A3R3MDD

The UPW2A3R3MDD is a miniature aluminum electrolytic capacitor from Nichicon's UPW series designed for low impedance and high reliability in compact power applications. It is a radial‑lead, polarized device with a rated capacitance of 3.3 µF and a rated voltage of 100 V.

Targeted use cases include switching power supplies and automotive electronic modules where compact size, thermal endurance and controlled loss characteristics are required. The part is specified for operation from −55°C to +105°C and has an endurance rating of 2000 hours at 105°C. Status: End Of Life.

Key Features

• Capacitance & Voltage — 3.3 µF nominal capacitance with a rated voltage of 100 V and capacitance tolerance of −20% to +20%.
• Miniature radial can — Compact package with dimensions approximately φ5 × 11 mm and radial lead mounting for through‑hole assemblies; lead spacing 2.0 mm (±0.5 mm).
• Low loss — tan δ of 0.08 measured at 20°C, 120 Hz, providing controlled dissipation for power applications.
• Ripple handling — Specified low‑frequency ripple current of 17.4 mA at 120 Hz and high‑frequency ripple current of 58 mA at 10 kHz, enabling use in decoupling and smoothing roles in compact converters.
• Leakage current — Maximum leakage current of 9.9 µA under rated conditions, supporting low quiescent current designs.
• Thermal and endurance rating — Operating temperature range −55°C to +105°C with a defined life of 2000 hours at 105°C under rated bias and ripple conditions.
• Qualification — AEC‑Q200 listed rating for applications requiring that quality standard.
• Packaging & mounting — Available in bulk (no terminal forming) or bag packing; polarized radial‑lead format simplifies PCB layout for through‑hole assemblies.

Typical Applications

• Switching power supplies — Low‑impedance, miniature design suited for input/output filtering and smoothing in compact converters.
• Automotive electronic modules — AEC‑Q200 listing and wide temperature range support use in vehicle electronics where space and reliability are constrained.
• Power rail decoupling in compact systems — Small footprint and defined ripple handling enable use in constrained board areas requiring bulk/high‑voltage capacitance.

Unique Advantages

• Compact high‑voltage solution: 3.3 µF at 100 V in a φ5 × 11 mm can provides high voltage capability in a small radial package, helping reduce board area for high‑voltage rails.
• Measured low loss: tan δ = 0.08 (20°C, 120 Hz) yields predictable dissipation for thermal and efficiency calculations in power designs.
• Defined ripple performance: Specified ripple currents at 120 Hz and 10 kHz allow direct comparison for low‑ and high‑frequency filtering requirements.
• Automotive‑grade listing: AEC‑Q200 rating delivers a documented quality level for designs targeting automotive electronics.
• Wide operating temperature: −55°C to +105°C operation and a 2000‑hour endurance at 105°C provide a clear reliability baseline for thermal stress planning.
• Through‑hole convenience: Radial lead format and standard lead spacing simplify prototyping and assembly for power modules and legacy PCB designs.

Why Choose UPW2A3R3MDD?

UPW2A3R3MDD combines a high rated voltage and compact form factor with low loss and defined ripple handling—making it suitable for compact switching supplies and automotive modules that require dependable high‑voltage capacitance. Its operating range (−55°C to +105°C), AEC‑Q200 listing and 2000‑hour endurance at 105°C give designers measurable reliability metrics for thermal and lifetime planning.

This part is appropriate for engineers and procurement teams seeking a miniature, through‑hole aluminum electrolytic capacitor from Nichicon's UPW family where space, voltage capability and documented endurance are part of the selection criteria.

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