RKS1H470MCNAHGGS

The RKS1H470MCNAHGGS is a surface-mount conductive polymer aluminum solid electrolytic capacitor from Nichicon's RKS series. It delivers 47 µF capacitance at a 50 V rating with low ESR and high allowable ripple current, packaged for SMD assembly.

Designed for demanding thermal and ripple environments, the part targets applications that require compact, high-capacitance SMD components with proven endurance up to 125°C (3000 hours). Key value propositions include low ESR, elevated ripple-handling capability, and reflow compatibility.

Key Features

• Capacitance & Tolerance — 47 µF nominal capacitance with tolerance of -20% to +20% at 20°C, 120 Hz.
• Voltage Rating — Rated for 50 V operation.
• Low ESR — ESR of 30 mΩ measured at 20°C/100 kHz, supporting efficient high-frequency performance.
• High Ripple Current — Low-frequency ripple current of 160 mA (120 Hz) and high-frequency ripple current of 1.6 A (300 kHz) for demanding power applications.
• Leakage Current — Specified leakage current of 117 µA.
• Temperature & Endurance — Operating range from -55°C to +125°C with a rated load life of 3000 hours at 125°C.
• Package & Mounting — Surface-mount radial can (φ8 × 7.7 mm length) sized for compact board layouts; Surface mount land size L: 8.3 × W: 8.3 mm.
• Reflow Compatibility — SMD construction compatible with lead-free reflow profiles (peak up to 260°C per series datasheet conditions).
• RoHS Compliant — Meets RoHS directive requirements as stated in product information.

Typical Applications

• Power supply decoupling — Low ESR and high ripple current handling make this capacitor suitable for smoothing and decoupling on power rails.
• DC–DC converter output filtering — Compact SMD size and high-frequency ripple capability support use on converter outputs where space and thermal performance are constrained.
• Industrial power modules — High temperature endurance (3000 h at 125°C) and robust leakage/ESR characteristics suit elevated-temperature industrial electronics.
• High-frequency power subsystems — Specified ESR at 100 kHz and 1.6 A ripple current at 300 kHz enable performance in high-frequency switching environments.

Unique Advantages

• Low ESR for efficient performance: 30 mΩ ESR at 100 kHz reduces loss and heat generation in high-frequency circuits.
• High ripple tolerance: 1.6 A high-frequency ripple current rating supports demanding switching power applications.
• High-temperature endurance: Rated for 3000 hours at 125°C, enabling longer life in elevated-temperature installations.
• Compact SMD can package: φ8 × 7.7 mm radial can format provides high capacitance in a board-friendly surface-mount footprint.
• Reflow-compatible assembly: Designed for lead-free reflow processes up to 260°C peak as specified for the series, simplifying automated assembly.
• Verified leakage behavior: Specified leakage current of 117 µA supports predictable bias behavior after application of rated voltage.

Why Choose RKS1H470MCNAHGGS?

The RKS1H470MCNAHGGS combines conductive-polymer aluminum construction with a compact SMD can to deliver low ESR, substantial ripple-handling, and long-term operation at elevated temperatures. It is positioned for designs that require reliable bulk capacitance and high-frequency performance in space-constrained layouts.

This capacitor is a fit for engineers specifying components for power conversion, filtering, and industrial electronics where thermal endurance, low-loss operation, and reflow-compatible assembly are priorities. Backed by Nichicon's RKS series specifications, it provides verifiable electrical characteristics and lifecycle performance for robust system design.

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