RKS1H470MCNAHJGS

The RKS1H470MCNAHJGS is a surface-mount conductive polymer aluminum solid electrolytic capacitor from Nichicon's RKS series. It provides 47 µF capacitance at 50 V with low ESR and high allowable ripple current for demanding board-level power applications.

Designed for general-purpose electronics, this SMD radial can delivers long life (3000 hours at 125°C), wide operating temperature range (−55°C to 125°C), and packaging optimized for automated assembly.

Key Features

• Capacitance & tolerance — 47 µF nominal capacitance with ±20% tolerance (measured at 120 Hz, 20°C).
• Rated voltage — 50 V DC rating for higher-voltage power rails.
• Low loss / dielectric characteristics — tanδ (DF) of 0.12 at 20°C, 120 Hz, supporting stable performance over frequency.
• Low ESR & high-frequency performance — ESR of 30 mΩ measured at 20°C / 100 kHz, and specified high-frequency ripple handling of 1.25 A at 300 kHz.
• Ripple current capability — Low-frequency ripple current of 125 mA at 120 Hz and high-frequency ripple current of 1.25 A at 300 kHz for effective smoothing and decoupling.
• Leakage current — Typical leakage current value of 117 µA after application of rated voltage.
• Reliability & endurance — Load life rated to 3000 hours at 125°C, with series-level endurance and damp-heat specifications for robust operation.
• Package & assembly — φ8 × 10 mm radial can SMD package supplied in embossed carrier taping with moisture-proof packing; compatible with lead-free reflow peak up to 260°C (series specification).
• Environmental compliance — RoHS-compliant construction.

Typical Applications

• Power supply decoupling and smoothing — Low ESR and high ripple-current ratings make this part suitable for board-level filtering on higher-voltage rails in general-purpose electronics.
• DC–DC converter output filtering — 47 µF at 50 V combined with 30 mΩ ESR supports stable output smoothing in compact SMD designs.
• Energy storage for transient loads — High-frequency ripple capability and conductive polymer chemistry help manage transient current demands on supply lines.

Unique Advantages

• Low ESR for efficient filtering: 30 mΩ ESR at 100 kHz reduces ripple voltage and power loss in high-frequency circuits.
• High ripple-current handling: 1.25 A at 300 kHz and 125 mA at 120 Hz enable reliable smoothing for both low- and high-frequency noise.
• High-temperature endurance: Rated for 3000 hours at 125°C to support long-term operation in thermally demanding environments.
• SMD-friendly packaging: Embossed carrier taping and moisture-proof packing support automated placement and reflow assembly processes.
• Material benefits of conductive polymer: Solid polymer electrolyte yields stable electrical characteristics and lower leakage compared with traditional liquid electrolytes.
• Regulatory compliance: RoHS-compliant construction aligns with modern environmental requirements.

Why Choose RKS1H470MCNAHJGS?

RKS1H470MCNAHJGS balances low ESR, substantial ripple-current capability, and long high-temperature life in a compact SMD radial-can package. Its combination of 47 µF at 50 V, 30 mΩ ESR, and 3000-hour endurance at 125°C makes it a practical choice for designers seeking reliable board-level energy storage and filtering in general-purpose electronic systems.

This part is well suited for engineers and procurement teams building power rails and transient-handling subsystems where a robust, surface-mount conductive-polymer capacitor can simplify design while maintaining performance over temperature and time.

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