UPW1H271MPD

The UPW1H271MPD is a radial lead aluminum electrolytic capacitor in the Nichicon UPW series, designed for miniature, low‑impedance power applications. It provides 270 µF capacitance at a 50 V rating in a compact φ10 × 25 mm can and is available in bulk or bag packing for through‑hole assembly.

Targeted for power supply and high‑ripple environments, this part combines measurable low impedance and defined ripple handling with AEC‑Q200 qualification and a wide operating temperature range for demanding electronics applications.

Key Features

• Capacitance & Voltage: 270 µF nominal capacitance with a 50 V rated voltage and ±20% tolerance, suitable for bulk decoupling and energy storage in power rails.
• Low Loss (tan δ): Loss tangent (tan δ) of 0.10 measured at 20°C, 120 Hz, supporting efficient AC performance in switching environments.
• Ripple Current Capability: Rated low‑frequency ripple current of 780 mA at 120 Hz and high‑frequency ripple current of 1.2 A at 10 kHz, enabling reliable operation under common switching and converter frequencies.
• Impedance: Low impedance of 164 mΩ to help minimize voltage ripple on power rails.
• Reliability & Endurance: 5000 hours rated lifetime at 105°C, providing long service life under elevated temperature stress.
• Temperature Range: Operates from −55°C to +105°C to cover a wide range of environmental conditions.
• Form Factor & Mounting: Radial lead, polarized can with φ10 × 25 mm dimensions and 5.0 mm lead spacing (±0.5 mm); available bulk (no terminal forming) or bag packing.
• Leakage Current: Specified leakage current of 405 µA, measured under the stated conditions in the product data.
• Automotive Qualification: AEC‑Q200 rated, supporting use in applications requiring recognized automotive‑grade capacitor qualification.

Typical Applications

• Switching Power Supplies: Bulk smoothing and decoupling for DC–DC converters and switching regulators where low impedance and ripple handling are critical.
• Automotive Electronics: Power filtering and energy storage in automotive control modules and subsystems, leveraging the AEC‑Q200 rating and wide temperature range.
• Embedded Power Rails: Local energy buffering and ripple suppression for embedded systems and industrial electronics operating up to 105°C.

Unique Advantages

• Compact, High‑Capacitance Package: 270 µF in a φ10 × 25 mm can provides significant capacitance in a small footprint for space‑constrained designs.
• Defined Ripple Performance: Rated ripple currents at both low and high frequencies (780 mA @120 Hz, 1.2 A @10 kHz) allow designers to dimension capacitors against measured switching frequencies.
• Low Impedance: 164 mΩ impedance reduces voltage ripple and improves power integrity on supply rails.
• High‑Temperature Endurance: 5000 hours at 105°C supports long operational life in elevated temperature environments.
• Automotive‑Grade Qualification: AEC‑Q200 rating provides a qualification baseline for automotive and similarly demanding applications.
• Through‑Hole Reliability: Radial lead construction with standardized 5 mm lead spacing enables robust mechanical mounting and easy prototyping or replacement.

Why Choose UPW1H271MPD?

UPW1H271MPD is positioned for designs that require a compact, low‑impedance electrolytic capacitor with well‑defined ripple and endurance characteristics. Its 270 µF/50 V rating, combined with measurable impedance and ripple specs, makes it suitable for engineers optimizing power stages in switching supplies and embedded power systems.

The combination of a wide operating temperature range (−55°C to +105°C), 5000 h endurance at 105°C and AEC‑Q200 qualification offers a balance of robustness and predictable lifetime for applications where reliability matters.

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