RKS1D121MCNAHHGS

The RKS1D121MCNAHHGS is a surface-mount conductive polymer aluminum solid electrolytic capacitor offering 120 µF capacitance at 20 V. Engineered for high-frequency performance and high allowable ripple current, it targets compact power delivery and decoupling roles in robust electronics.

With a wide operating range from −55°C to 125°C and a rated load life of 3000 hours at 125°C, this SMD can provides long-term stability in thermally demanding environments while supporting lead‑free reflow assembly processes.

Key Features

• Dielectric / Construction Conductive polymer aluminum solid electrolytic capacitor for improved high-frequency behavior and stability.
• Capacitance & Tolerance 120 µF nominal with ±20% tolerance at 120 Hz, 20°C.
• Rated Voltage 20 V DC rating suitable for common intermediate‑bus and point‑of‑load designs.
• Low ESR & High‑Frequency Performance ESR of 30 mΩ at 100 kHz (20°C) and tanδ 0.12 (20°C, 120 Hz) enable efficient high‑frequency filtering and energy transfer.
• High Ripple Current Capability Low‑frequency ripple current 160 mA (120 Hz) and high‑frequency ripple current 1.6 A (300 kHz) for demanding switching applications.
• High Temperature Endurance Rated for −55°C to 125°C with a proven load life of 3000 hours at 125°C.
• Leakage Current Specified leakage current of 120 µA after standard conditioning.
• SMD Package & Assembly Compact φ8 × 8.7 mm can‑style SMD package designed for lead‑free reflow (260°C peak) and supplied in embossed carrier taping with moisture‑proof packing.
• Environmental Compliance RoHS‑compliant construction.

Typical Applications

• Switching Power Supplies High ripple current capability and low ESR provide effective output decoupling and bulk energy storage for switching regulators.
• DC‑DC Converter Modules Compact SMD form factor and strong high‑frequency performance make it suitable for point‑of‑load filtering in module designs.
• Industrial Power Electronics Extended temperature range and 3000‑hour life at 125°C support use in thermally challenging industrial control and power systems.
• High‑Frequency Filtering Low LC and conductive polymer construction enable improved filtering performance in high‑frequency circuits.

Unique Advantages

• High ripple tolerance: Handles up to 1.6 A at 300 kHz, reducing thermal stress and improving reliability in switching applications.
• Low ESR at high frequency: 30 mΩ at 100 kHz lowers voltage drop and dissipation, improving converter efficiency and transient response.
• Robust thermal endurance: −55°C to 125°C operating range with 3000 hours rated life at 125°C for long service life in hot environments.
• SMD-ready package: φ8 × 8.7 mm can-style SMD with lead‑free reflow compatibility simplifies surface-mount assembly and board layout.
• Manufacturing-friendly packaging: Supplied in embossed carrier taping with moisture‑proof packing to support automated pick‑and‑place and storage handling.
• RoHS compliant: Meets environmental requirements for lead‑free applications.

Why Choose RKS1D121MCNAHHGS?

The RKS1D121MCNAHHGS positions itself as a high‑frequency, high‑ripple SMD capacitor designed for compact power and filtering applications that demand low ESR and extended thermal endurance. Its conductive polymer construction and SMD can package deliver a balance of electrical performance and manufacturability for designers focused on efficient power delivery.

This capacitor is well suited to engineers and procurement teams developing switching power supplies, DC‑DC converter modules, and industrial power electronics where long life at elevated temperature and reliable high‑frequency performance are required.

If you would like pricing, availability, or a quotation for RKS1D121MCNAHHGS, please request a quote or contact sales for assistance.