UPS1A471MPD

The UPS1A471MPD is a miniature, low-impedance aluminum electrolytic capacitor designed for switching power supplies and general-purpose power filtering. It is a radial-lead, polarized can-type capacitor with a 470 µF capacitance and a 10 V rated voltage.

Engineered for demanding thermal environments, the part offers a wide operating temperature range from −55°C to +105°C and a rated life of 2000 hours at 105°C, making it suitable for compact power-electronics designs that require reliable smoothing and decoupling.

Key Features

• Capacitance & Voltage — 470 µF nominal capacitance with a 10 V rated voltage and ±20% tolerance for bulk energy storage and rail stabilization.
• Low Impedance — Specified impedance of 280 mΩ, helping reduce ripple and voltage drop in power circuits.
• Ripple Current Capability — Rated ripple current of 291.1 mA at 120 Hz and 410 mA at 10 kHz to support switching regulator and converter applications.
• Wide Temperature Range — Operating from −55°C to +105°C to handle a broad range of environmental conditions.
• Life and Reliability — Rated for 2000 hours at 105°C, providing predictable end-of-life behavior for thermal stress scenarios.
• Compact Radial Package — Radial, can-style package with lead spacing of 3.5 mm and overall dimensions L: 1.15 × D: 0.8 cm for dense PCB layouts.
• Regulatory Compliance — RoHS compliant per the provided product information.
• Polarized Construction — Polarized electrolytic capacitor suitable for DC rail filtering and decoupling where polarity is controlled.

Typical Applications

• Switching Power Supplies — Input/output smoothing and bulk energy storage to reduce voltage ripple in DC–DC converters and regulator stages.
• Power Rail Decoupling — Local energy reservoir for embedded systems and power modules requiring compact, high-capacitance components.
• General-Purpose Power Electronics — Filtering and stabilization in consumer and industrial power circuits labeled as general purpose in the product data.
• High-Frequency Ripple Management — Supports ripple current at higher switching frequencies (410 mA at 10 kHz) for modern switch-mode topologies.

Unique Advantages

• Compact footprint: Small L × D size (1.15 × 0.8 cm) and 3.5 mm lead spacing enable space-saving layouts on densely populated boards.
• Thermal endurance: Rated 2000 hours at 105°C to provide predictable performance in elevated-temperature environments.
• Clear ripple specifications: Published ripple current values at 120 Hz and 10 kHz allow straightforward selection for switching regulator designs.
• Low impedance: 280 mΩ impedance characteristic helps minimize AC voltage loss and improves regulator stability.
• RoHS compliant: Meets RoHS directive requirements as indicated in the product data for environmental compliance.
• Radial, can-style packaging: Robust mechanical form factor and polarized lead arrangement simplify assembly for through-hole production techniques.

Why Choose UPS1A471MPD?

UPS1A471MPD combines a high bulk capacitance (470 µF) and low impedance (280 mΩ) in a compact radial package, making it a practical choice for designers needing effective filtering and energy storage in space-constrained switching power supplies and general-purpose power circuits. Its wide −55°C to +105°C operating range and 2000-hour rating at 105°C provide defined behavior under thermal stress.

Ideal for engineers and procurement teams specifying components for power-regulation modules, embedded systems, and industrial power electronics, this capacitor offers verifiable ripple-current ratings and dimensional data to simplify BOM decisions and PCB layout planning.

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