RKS1K120MCNAHGGS

The RKS1K120MCNAHGGS from Nichicon is a surface-mount conductive polymer aluminum solid electrolytic capacitor offering 12 µF capacitance at an 80 V rating. It is designed for general-purpose power decoupling and high-frequency power circuits where low ESR, high ripple capability and elevated-temperature endurance are required.

Built in an SMD radial can (φ8 × 7.7 mm), this part combines low equivalent series resistance with long life at high temperature, making it suitable for compact power designs that demand reliable high-frequency performance.

Key Features

• Capacitance & Voltage — 12 µF nominal capacitance with a rated voltage of 80 V and capacitance tolerance of ±20% (–20%~20%).
• Conductive Polymer Solid Electrolyte — Solid electrolyte construction for stable performance and low loss (tanδ 0.12 at 20°C, 120 Hz).
• Low ESR / High‑frequency Performance — ESR of 40 mΩ measured at 100 kHz and a high-frequency ripple current rating of 1.1 A (at 300 kHz), supporting high-speed switching environments.
• Ripple Current Handling — Low-frequency ripple current rating of 110 mA at 120 Hz for burdened power rails and filter networks.
• Leakage Current — Specified leakage current up to 100 µA after voltage application.
• Temperature Range & Endurance — Wide operating range from −55°C to +125°C with a rated life of 3000 hours at 125°C.
• Package & Mounting — Surface-mount radial can, size φ8 × 7.7 mm, supplied in embossed carrier tape with moisture-proof packing for automated assembly.
• RoHS Compliance — Compliant with RoHS requirements.
• Reflow Compatibility — Designed for lead‑free reflow soldering up to a 260°C peak per manufacturer guidance.

Typical Applications

• Power supply decoupling — Low ESR and solid-electrolyte construction help stabilize rails and reduce ripple in compact power supply designs.
• Switching regulator output filtering — High-frequency ripple current capability (1.1 A at 300 kHz) makes this capacitor suitable for switching converter outputs and point‑of‑load smoothing.
• High-frequency power circuits — ESR of 40 mΩ at 100 kHz supports high-speed switching environments where low loss is needed.
• General-purpose surface-mount power applications — Polarized SMD package and moisture-proof taped packaging support automated assembly for a variety of power electronics uses.

Unique Advantages

• High temperature endurance: Rated for 3000 hours at 125°C, offering predictable long-term performance in elevated‑temperature environments.
• Superior high-frequency handling: 40 mΩ ESR at 100 kHz plus 1.1 A high-frequency ripple current rating deliver low‑loss performance in switching and high-speed circuits.
• Compact SMD can: φ8 × 7.7 mm radial SMD package provides a space-efficient footprint for board-level power solutions.
• Low leakage current: Leakage specified at 100 µA supports stable biasing and minimizes standby losses in sensitive circuits.
• Assembly-ready packaging: Supplied on embossed carrier tape with moisture-proof packing for reliable automated placement and reflow processing.
• Standards-compliant construction: Conductive polymer aluminum solid electrolyte design with RoHS compliance and manufacturer guidance for lead‑free reflow.

Why Choose RKS1K120MCNAHGGS?

RKS1K120MCNAHGGS is positioned for engineers who require a compact, surface-mount conductive polymer aluminum capacitor that balances low ESR, elevated ripple handling and extended life at high temperatures. Its 80 V rating and 12 µF capacitance provide a robust option for decoupling and output filtering in switching power designs.

Backed by Nichicon’s RKS series specifications— including 3000 hours at 125°C, RoHS compliance, and reflow compatibility—this part offers predictable performance for designs where high-frequency stability, thermal endurance and automated assembly readiness are priorities.

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