UPS1C151MED

The UPS1C151MED is a miniature, radial-lead aluminum electrolytic capacitor from Nichicon’s UPS series, designed for low-impedance performance in switching power supply and general-purpose power-filtering applications. It delivers 150 µF at a 16 V rating in a compact φ6.3 × 11 mm can with a 2.5 mm lead spacing.

Key attributes include a wide operating temperature range of −55°C to 105°C, rated endurance of 2000 hours at 105°C, low-frequency ripple current handling, and RoHS compliance. Status: End Of Life.

Key Features

• Capacitance & Voltage: 150 µF nominal capacitance with a 16 V rated voltage and ±20% tolerance at 20°C, 120 Hz, suitable for bulk energy storage and smoothing in compact power circuits.
• Low Loss / Impedance: tanδ (DF) 0.16 measured at 20°C, 120 Hz, indicating controlled dissipation for stable performance in filtering applications.
• Ripple Current Handling: Rated low-frequency ripple current of 125 mA at 120 Hz and high-frequency ripple current of 250 mA at 10 kHz for effective suppression of AC components across a range of switching frequencies.
• Leakage Current: Specified leakage current of 72 µA after 1 minute at 20°C, simplifying bias and discharge considerations in designs.
• High Temperature Endurance: Lifetime/endurance rated at 2000 hours at 105°C under rated DC bias plus ripple, providing predictable aging for high-temperature applications.
• Compact Radial Package: φ6.3 × 11 mm can with 2.5 mm lead spacing (±0.5 mm) in a radial-lead form factor; available in bulk or bag packing for flexible assembly.
• Wide Operating Range & Compliance: Operating temperature from −55°C to 105°C and RoHS compliant.

Typical Applications

• Switching Power Supplies: Output smoothing and bulk decoupling where a compact, low-impedance capacitor is required across a wide temperature range.
• DC-DC Converter Filtering: Local energy storage and ripple attenuation on converter outputs, leveraging the part’s specified ripple current ratings.
• General-Purpose Power Filtering: Compact electronic modules and controllers that require polarized aluminum electrolytic capacitance for supply stabilization.

Unique Advantages

• Miniature footprint: φ6.3 × 11 mm can and 2.5 mm lead spacing enable high-density board layouts and space-efficient designs.
• Designed for switching environments: Low-impedance construction and specified ripple current at both low and high frequencies support switching regulator topologies.
• Predictable high-temperature behavior: 2000-hour endurance at 105°C gives designers a measured expectation of performance under elevated temperature stress.
• Radial-lead convenience: Through-hole radial package simplifies prototyping and repair while offering reliable mechanical mounting.
• Regulatory compliance: RoHS status provides assurance for applications requiring lead-free materials.
• Controlled leakage: Low leakage current specification helps maintain predictable bias conditions in power circuits.

Why Choose UPS1C151MED?

UPS1C151MED combines a compact mechanical footprint with electrolytic energy density and defined ripple and leakage characteristics, making it a practical choice for engineers building switching power supplies, DC-DC converters, and general-purpose power-filtering stages. Its −55°C to 105°C rating and 2000-hour endurance at 105°C give designers quantifiable reliability for thermal stress environments.

This part is suited to teams needing a small, radial-leaded polarized capacitor with clear electrical specifications and RoHS compliance. Use UPS1C151MED where space constraints, predictable high-temperature life, and controlled ripple/ leakage behavior are primary selection criteria.

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