UPA1E561MPD

The UPA1E561MPD is a radial-lead aluminum electrolytic capacitor in Nichicon’s UPA series, designed for miniature, low-impedance power applications. With a 560 µF capacitance at 25 V rating, it targets general-purpose power supply filtering and decoupling where compact size, elevated ripple handling and long-term endurance are required.

Packaged in a φ8 × 20 mm can with 3.5 mm lead spacing and RoHS compliance, this part is in mass production and offered in bulk or bag packing for volume assembly and prototyping workflows.

Key Features

• Capacitance & Voltage: 560 µF nominal capacitance at a 25 V rated voltage, with a capacitance tolerance of ±20%.
• Low Impedance Performance: Rated impedance of 88 mΩ supports lower ESR applications and improved voltage stability under load.
• Ripple Current Handling: Low-frequency ripple current 915 mA at 120 Hz and high-frequency ripple current 1.22 A at 10 kHz, enabling effective smoothing across a range of switching frequencies.
• Loss Characteristics: Tangent of loss angle (tan δ) of 0.14 measured at 20°C, 120 Hz, supporting predictable dissipation behavior.
• Endurance & Temperature Range: Rated life of 3000 hours at 105°C and an operating temperature range of −55°C to +105°C for reliable performance in elevated-temperature environments.
• Leakage Current: Specified leakage current of 420 µA, suitable for typical power filtering applications where controlled leakage is required.
• Compact Radial Package: φ8 × 20 mm can with 3.5 mm lead spacing (±0.5 mm) and radial lead mounting for through-hole PCBs and hand or wave assembly.
• Regulatory: RoHS compliant, facilitating use in designs targeting global regulatory requirements.

Typical Applications

• Switching Power Supplies: Bulk and output filtering where low impedance, compact size, and high ripple capability are needed to support switching regulators.
• Power Filtering and Decoupling: Local decoupling on PCB power rails to stabilize voltages and reduce ripple in compact power subsystems.
• Embedded and Industrial Electronics: General-purpose energy storage and smoothing in controllers, instrumentation, and other embedded systems operating across −55°C to +105°C.

Unique Advantages

• Compact, High-Capacity Footprint: 560 µF in a φ8 × 20 mm can reduces PCB area compared with larger cans while retaining substantial capacitance.
• High Ripple Tolerance: Specified ripple currents at both low and high frequencies (915 mA at 120 Hz; 1.22 A at 10 kHz) help minimize temperature rise and extend system stability under switching loads.
• Designed for Elevated Temperatures: 3000-hour endurance at 105°C supports deployment in higher-temperature zones within power electronics assemblies.
• Predictable Loss and Leakage: Known tan δ (0.14) and leakage current specification (420 µA) allow designers to model dissipation and standby losses accurately.
• Through-Hole Versatility: Radial-lead format with standard 3.5 mm spacing enables straightforward through-hole mounting and reliable mechanical retention.
• Regulatory Compliance and Availability: RoHS compliance and mass-production status support volume sourcing and regulatory needs.

Why Choose UPA1E561MPD?

The UPA1E561MPD pairs a compact radial can with low impedance and robust ripple handling to deliver reliable bulk energy storage and filtering in space-constrained power designs. Its 25 V rating, established tan δ and leakage specifications, and 3000-hour endurance at 105°C make it a practical choice for engineers specifying components for switching supplies, decoupling networks, and industrial embedded systems.

With RoHS compliance and mass-production availability in bulk or bag packing, the UPA1E561MPD is positioned for straightforward integration into production designs that demand predictable electrical behavior and thermal endurance from a miniature aluminum electrolytic capacitor.

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