RKS1C270MCNAFEGS

The RKS1C270MCNAFEGS is a surface‑mount conductive‑polymer aluminum electrolytic capacitor in the RKS series, delivering 27 µF of capacitance at a 16 V rating. It is designed for general‑purpose SMD power applications that require compact, high‑capacitance decoupling with low equivalent series resistance.

With a wide operating temperature range from −55 °C to 125 °C and a rated endurance of 3000 hours at 125 °C, this part targets designs requiring stable performance under elevated temperature and sustained load conditions.

Key Features

• Capacitance & Voltage — 27 µF nominal capacitance at 16 V, with a tolerance of −20% to +20% (±20% at 120 Hz, 20 °C).
• Conductive‑Polymer Aluminum Construction — Solid conductive‑polymer electrolyte formulation for stable electrical characteristics and improved high‑frequency behavior.
• Low ESR & High Ripple Capability — ESR of 50 mΩ at 20 °C / 100 kHz and high‑frequency ripple current rated at 1 A (300 kHz), supporting effective suppression of high‑frequency power rail noise.
• Low‑Frequency Ripple & Leakage — Low‑frequency ripple current rating of 100 mA at 120 Hz and leakage current specified at 100 µA, suitable for sustained DC applications.
• Temperature & Endurance — Operating range −55 °C to 125 °C with a load life of 3000 hours at 125 °C, enabling long‑term stability in hot environments.
• Compact SMD Package — Radial can SMD package in a compact φ6.3 × 5.8 mm footprint for space‑constrained PCBs; supplied in embossed carrier tape with moisture‑proof packing for SMT assembly.
• Solderability — Designed for lead‑free reflow processes with peak temperature correspondence up to 260 °C as specified for the series, supporting standard SMD assembly flows.
• Compliance — RoHS‑compliant.

Typical Applications

• Power‑rail decoupling — Provides bulk capacitance and low ESR for smoothing and stabilizing DC power rails in general‑purpose SMD circuits.
• DC‑DC converter output filtering — Rated ripple current and low ESR make it suitable for output filtering on compact converter designs.
• High‑frequency ripple suppression — Conductive‑polymer construction and specified high‑frequency ripple current capability help suppress high‑frequency noise on power lines.

Unique Advantages

• High ripple tolerance: 1 A high‑frequency ripple rating and 50 mΩ ESR at 100 kHz reduce voltage ripple and heat buildup in demanding SMD power stages.
• Wide operating temperature: −55 °C to 125 °C operation and 3000‑hour life at 125 °C provide durable performance in elevated‑temperature environments.
• Compact SMD footprint: φ6.3 × 5.8 mm radial can SMD package delivers high capacitance in a small board area to help minimize PCB real estate.
• Low leakage: Specified leakage current of 100 µA supports stable bias conditions in DC circuits.
• Assembly ready: Embossed carrier tape with moisture‑proof packing and reflow compatibility streamline automated SMT production.
• Regulatory compliance: RoHS compliance supports deployment in regions requiring restricted‑substance conformity.

Why Choose RKS1C270MCNAFEGS?

RKS1C270MCNAFEGS combines conductive‑polymer aluminum capacitor performance with a compact SMD package to deliver reliable bulk capacitance, low ESR, and robust ripple handling for general‑purpose power designs. Its long life at 125 °C and broad temperature rating make it suitable for applications where sustained thermal and electrical stress is expected.

This part is well suited for engineers seeking a compact, assembly‑friendly capacitor that balances capacitance, ripple capability, and durability for power‑supply decoupling and filtering in space‑constrained SMD circuits.

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