RS61E470MCN1

The RS61E470MCN1 from Nichicon is a conductive polymer aluminum solid electrolytic capacitor in a radial-lead can, delivering 47 µF at 25 V in a compact φ6.3 × 5 mm package. Designed for general-purpose use, it combines low ESR and high ripple tolerance in a miniature form factor suitable for dense PCB layouts.

Key value propositions include low equivalent series resistance (30 mΩ at 20°C/100 kHz), high-frequency ripple capability (up to 2.8 A at 300 kHz), and a wide operating temperature range of −55°C to 105°C, providing reliable decoupling and energy buffering in constrained space designs.

Key Features

• Capacitance & Voltage — 47 µF rated capacitance at 25 V with a tolerance of −20% to +20% (measured at 120 Hz, 20°C).
• Conductive Polymer Construction — Solid polymer electrolyte delivers low tanδ (0.1 at 20°C/120 Hz) and improved electrical stability.
• Low ESR & High Ripple Handling — ESR of 30 mΩ at 20°C/100 kHz supports high-frequency operation; rated ripple current is 280 mA at 120 Hz and 2.8 A at 300 kHz.
• Leakage Current — Specified leakage current of 235 µA (measured after 2 minutes at 20°C under rated voltage).
• Temperature & Endurance — Operating range −55°C to 105°C with a rated life of 2000 hours at 105°C.
• Compact Radial Package — Small footprint φ6.3 × 5 mm can with 2.5 mm lead spacing (±0.5 mm), radial-lead mounting for through-hole assemblies.
• Packaging & Production Status — Available in bulk (no terminal forming) or bag packing; product is in mass production and RoHS compliant.

Typical Applications

• General-purpose power electronics — Use where a 25 V, 47 µF capacitor with low ESR (30 mΩ) and specified ripple ratings is required for decoupling or energy buffering.
• High-frequency switching circuits — Suitable for circuits that benefit from the capacitor’s 2.8 A ripple capability at 300 kHz and low tanδ at 120 Hz.
• Compact, space-constrained designs — The φ6.3 × 5 mm radial-can package fits dense PCB layouts while providing solid-electrolyte performance.
• Industrial and consumer electronics — Applicable in general-purpose applications that require robust temperature performance (−55°C to 105°C) and 2000 h endurance at 105°C.

Unique Advantages

• Low ESR for high-frequency performance: 30 mΩ at 20°C/100 kHz reduces voltage ripple and improves regulator stability in high-speed circuits.
• High ripple-current capability: Rated 280 mA at 120 Hz and 2.8 A at 300 kHz to withstand both low- and high-frequency ripple loads.
• Miniature footprint: φ6.3 × 5 mm can with 2.5 mm lead spacing enables placement in tight spaces without sacrificing capacitance.
• Wide temperature range and defined endurance: −55°C to 105°C operation with 2000 h life at 105°C supports reliable performance in demanding environments.
• Solid polymer electrolyte benefits: Lower tanδ (0.1 at 120 Hz, 20°C) and stable leakage characteristics support predictable behavior under rated conditions.
• Production-ready packaging: Offered in bulk or bag packing and available in mass production for volume assembly needs.

Why Choose RS61E470MCN1?

The RS61E470MCN1 positions itself as a compact, reliable solution for designers who need a 25 V, 47 µF conductive polymer aluminum capacitor with low ESR and strong ripple-current capability. Its combination of miniature radial packaging, defined endurance at elevated temperature, and RoHS compliance makes it well suited for engineers balancing performance and board-space constraints.

This part is ideal for general-purpose power decoupling and high-frequency ripple management in consumer and industrial electronics where predictable electrical characteristics, small size, and production-ready availability are important.

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