RKS1C390MCNAHFGS

The RKS1C390MCNAHFGS is a surface-mount conductive polymer aluminum solid electrolytic capacitor offering 39 µF capacitance at a 16 V rating. Engineered for general-purpose power and high-frequency applications, it combines low ESR and high allowable ripple current with a compact radial can SMD package (φ8 × 6.7 mm).

Designed for robust operation, this part supports a wide temperature range from −55°C to +125°C and a rated endurance of 3000 hours at 125°C, delivering stable performance in demanding thermal and ripple environments.

Key Features

• Capacitance & Tolerance — 39 µF nominal capacitance with tolerance of −20% to +20% (measured at 120 Hz, 20°C).
• Rated Voltage — 16 V DC rating suitable for a range of low-voltage power rails.
• Low ESR — Equivalent series resistance of 30 mΩ at 20°C, 100 kHz, enabling low-loss operation in high-frequency circuits.
• High Ripple Current Capability — Low-frequency ripple current 160 mA (120 Hz) and high-frequency ripple current 1.6 A (300 kHz), supporting demanding AC ripple conditions.
• Low Leakage & Loss — Leakage current specified at 100 µA and tangent of loss angle (tan δ) of 0.12 measured at 20°C, 120 Hz.
• Thermal & Endurance Performance — Operating temperature range −55°C to +125°C with load life/endurance of 3000 hours at 125°C.
• SMD Package & Handling — Radial can SMD package, size φ8 × 6.7 mm; supplied in embossed carrier tape with moisture-proof packing for pick-and-place compatibility and storage protection.
• Environmental Compliance — RoHS compliant.

Typical Applications

• Power-supply decoupling and smoothing — Low ESR and high ripple-current capability make it suitable for output filtering and decoupling on DC–DC converters and low-voltage power rails.
• High-frequency power circuits — Designed for stability at high frequencies where low loss and controlled ESR are required.
• General-purpose industrial and communications equipment — Wide temperature range and 3000 h endurance at 125°C support continuous operation in thermally demanding environments.

Unique Advantages

• Improved ripple handling: 1.6 A high-frequency ripple rating and 160 mA low-frequency rating reduce heating and extend circuit life under AC stress.
• Low-loss operation: 30 mΩ ESR at 100 kHz and tan δ of 0.12 help minimize dissipation in high-frequency applications.
• High-temperature endurance: 3000 hours at 125°C provides predictable lifetime performance for designs exposed to elevated temperatures.
• Compact SMD radial can: φ8 × 6.7 mm package enables space-efficient board layouts while supporting automated assembly with embossed carrier taping.
• Regulatory readiness: RoHS compliance simplifies integration into regulated product lines.

Why Choose RKS1C390MCNAHFGS?

The RKS1C390MCNAHFGS is positioned for designs that require a compact SMD aluminum conductive-polymer capacitor with demonstrable low ESR, robust ripple-current capability, and long-term thermal endurance. Its specification set targets engineers building power-dense, thermally challenging systems where stable capacitance, low loss, and extended life at elevated temperature are required.

This part suits procurement and design teams seeking a mass-production-ready component that balances compact size, electrical performance, and environmental compliance for general-purpose power and high-frequency applications.

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