RKS1D101MCNAJLGS

The RKS1D101MCNAJLGS is a surface-mount conductive polymer aluminum solid electrolytic capacitor in Nichicon’s RKS series, offering 100 µF capacitance at a 20 V rating. It is designed for general-purpose electronic applications that require low equivalent series resistance (ESR), high ripple current capability, and extended high-temperature endurance.

Designed for compact SMD assembly, this part combines high capacitance in a can-style SMD package with a wide operating temperature range and a rated load life of 3000 hours at 125°C, making it suitable for demanding electronic power-management environments.

Key Features

• Capacitance & Voltage — 100 µF nominal capacitance with a 20 V rated voltage and tolerance of −20% to +20% at 120 Hz, 20°C.
• Low ESR — ESR specified at 20 mΩ measured at 20°C/100 kHz, supporting efficient high-frequency filtering and reduced conduction losses.
• High Ripple Current Capacity — Supports 200 mA at 120 Hz (low frequency) and 2 A at 300 kHz (high frequency) to handle AC ripple and switching currents.
• Leakage Current — Leakage current specified at 100 µA, ensuring controlled leakage for power-sensitive designs.
• High-Temperature Endurance — Rated life of 3000 hours at 125°C; operating temperature range from −55°C to +125°C for extended thermal reliability.
• Surface-Mount Can Package — Radial can SMD package (φ10 × 12.4 mm) supplied in embossed carrier taping with moisture-proof packing for automated assembly.
• RoHS Compliance — Series-level documentation indicates compliance with RoHS directives (2011/65/EU, (EU)2015/863).

Typical Applications

• General-purpose power filtering — Low ESR and high ripple current handling make this capacitor suitable for smoothing and bypass in power-supply circuits.
• Switch-mode power supplies — High-frequency ripple current capability supports decoupling at switching nodes and bulk energy buffering.
• Industrial electronics — Wide temperature range and 3000 h endurance at 125°C suit applications exposed to elevated operating temperatures.

Unique Advantages

• High ripple tolerance: 2 A at 300 kHz and 200 mA at 120 Hz enable reliable operation under significant AC stress, reducing thermal buildup in high-switching environments.
• Low loss at high frequency: 20 mΩ ESR at 100 kHz lowers I²R losses and improves filtering effectiveness for high-speed electronics.
• Extended high-temperature life: 3000 hours at 125°C provides longevity where thermal margins are constrained.
• Compact SMD can format: φ10 × 12.4 mm SMD can offers high capacitance density in a package compatible with automated placement and reflow processes.
• Controlled leakage: Specified leakage current of 100 µA helps maintain predictable standby and quiescent behavior in power-sensitive designs.

Why Choose RKS1D101MCNAJLGS?

RKS1D101MCNAJLGS positions itself as a robust, general-purpose SMD electrolytic capacitor that balances high capacitance, low ESR, and strong ripple-current capability with extended high-temperature endurance. It is well suited to engineers specifying compact energy-storage and decoupling components in power supplies, switching regulators, and industrial electronics where thermal reliability matters.

Choosing this part delivers a straightforward integration path for designs that require predictable leakage behavior, RoHS-aligned materials, and packaging optimized for automated assembly—providing dependable performance over long operational lifetimes.

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