RKS1J180MCNAHJGS

The RKS1J180MCNAHJGS is a surface‑mount conductive polymer aluminum solid electrolytic capacitor in Nichicon's RKS series. It provides 18 µF capacitance at a 63 V rated voltage, combining low equivalent series resistance and high allowable ripple current in a compact radial can SMD package (φ8 × 10 mm).

Designed for general‑purpose SMD applications that require stable capacitance across a wide temperature range, this part offers long endurance (3000 hours at 125°C) and low loss characteristics for reliable performance in demanding environments.

Key Features

• Dielectric / Technology Conductive polymer aluminum solid electrolytic construction for low loss and stable electrical characteristics.
• Capacitance & Voltage 18 µF capacitance with ±20% tolerance and a 63 V rated voltage.
• Low ESR & High Ripple Handling ESR of 40 mΩ measured at 20°C/100 kHz, with high‑frequency ripple current rating of 1.1 A (at 300 kHz) and low‑frequency ripple current of 110 mA (at 120 Hz).
• Leakage & Loss Leakage current specified at 100 µA and tanδ (loss tangent) of 0.12 measured at 20°C, 120 Hz.
• Thermal Performance & Lifetime Operating temperature range from −55°C to +125°C and endurance rated for 3000 hours at 125°C.
• Package & Mounting Surface mount radial can (φ8 × 10 mm) supplied in embossed carrier taping with moisture‑proof packing for automated placement; mass production status.
• Reflow Compatibility SMD type designed to meet lead‑free reflow soldering conditions up to a 260°C peak (per series datasheet guidance).

Typical Applications

• General‑Purpose SMD Circuits Used where a compact 18 µF/63 V capacitor with low ESR and stable performance over −55°C to +125°C is required.
• High‑Ripple Filtering Suited to filtering and smoothing tasks that demand high allowable ripple current and low loss, leveraging the 1.1 A high‑frequency ripple rating and 40 mΩ ESR.
• Thermally Demanding Environments Applicable in designs that require long endurance at elevated temperature thanks to a 3000‑hour rating at 125°C.

Unique Advantages

• Low Electrical Losses: 0.12 tanδ (20°C, 120 Hz) and 40 mΩ ESR at 100 kHz reduce dissipation and support efficient operation in AC and switching environments.
• High Ripple Capability: 1.1 A high‑frequency ripple current rating enables effective handling of dynamic load currents and switching noise.
• Wide Temperature Range and Long Life: −55°C to +125°C operation with a 3000‑hour endurance at 125°C provides predictable aging and long‑term reliability.
• Manufacturing‑Ready Packaging: Supplied in embossed carrier taping with moisture‑proof packing to support automated SMD assembly and storage.
• RoHS Compliance (Series Level): The RKS series is indicated in the datasheet as compliant with RoHS (2011/65/EU, (EU)2015/863), aligning with common environmental requirements.

Why Choose RKS1J180MCNAHJGS?

The RKS1J180MCNAHJGS positions itself as a reliable, low‑loss SMD capacitor for designs that need measurable ripple handling, low ESR, and durable operation at elevated temperatures. Its conductive polymer aluminum construction and 3000‑hour endurance at 125°C deliver a balance of electrical performance and long‑term stability.

This part is well suited to engineers and procurement teams seeking a compact, production‑ready SMD capacitor for general‑purpose circuits where controlled leakage, low dissipation, and robust thermal endurance are priorities. The combination of package, ripple ratings, and endurance supports repeatable results in volume manufacturing.

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