RKS1E220MCNAHHGS

The RKS1E220MCNAHHGS is a conductive polymer aluminum solid electrolytic capacitor in a surface-mount radial can package. It delivers 22 µF capacitance at a 25 V rating with low equivalent series resistance and high allowable ripple current, targeting designs that require stable filtering and decoupling under elevated temperatures.

Engineered for long-term operation in demanding thermal environments, this part offers a wide operating temperature range and a load life specification that supports continuous use at high temperature while remaining compatible with lead-free reflow assembly processes.

Key Features

• Capacitance & Voltage — 22 µF nominal capacitance with a rated voltage of 25 V and a tolerance of -20% to +20% at 120 Hz, 20°C.
• Low ESR — 30 mΩ ESR specified at 100 kHz, 20°C, enabling efficient high-frequency performance and reduced power loss.
• High Ripple Current — Low-frequency ripple current of 160 mA (120 Hz) and high-frequency ripple capability of 1.6 A (300 kHz) for robust filtering under dynamic loads.
• High Temperature Endurance — Rated for an operating temperature range of -55°C to +125°C with a specified load life of 3000 hours at 125°C.
• Loss Characteristics — Tangent of loss angle (tanδ) of 0.12 measured at 20°C, 120 Hz for predictable dissipation behavior.
• Leakage Current — Specified leakage current up to 100 µA for stable bias performance after application of rated voltage.
• Package & Assembly — φ8 × 8.7 mm (diameter × length) SMD radial can; supplied in embossed carrier taping with moisture-proof packing and compatible with lead-free reflow soldering up to 260°C peak.
• Compliance — RoHS-compliant material construction.

Typical Applications

• Power-supply filtering — Low ESR and high ripple current capability make this capacitor suitable for smoothing and bulk decoupling on DC power rails.
• DC‑DC converter decoupling — Stable high-frequency performance and 30 mΩ ESR support output and input decoupling in switching regulator circuits.
• High-temperature electronics — Designed for continuous operation up to 125°C with a 3000-hour load-life rating, supporting electronics exposed to elevated ambient temperatures.
• SMD assembly lines — Radial can SMD format and lead-free reflow compatibility streamline placement and soldering in automated production.

Unique Advantages

• Measurable low ESR: 30 mΩ at 100 kHz reduces power loss and heating, helping designs maintain efficiency under high-frequency operation.
• High ripple handling: 1.6 A at 300 kHz and 160 mA at 120 Hz provide margin for dynamic load currents and switching noise suppression.
• Extended high-temperature life: 3000 hours at 125°C supports reliable long-term operation in thermally demanding applications.
• Assembly-ready SMD package: φ8 × 8.7 mm SMD radial can in embossed carrier taping with moisture-proof packing simplifies integration into automated PCB assembly flows.
• Predictable dielectric behavior: Specified tanδ and leakage current figures enable designers to model loss and bias characteristics accurately.
• RoHS compliance: Environmentally compliant construction suitable for regulated markets.

Why Choose RKS1E220MCNAHHGS?

RKS1E220MCNAHHGS combines conductive polymer aluminum construction with low ESR, high ripple capability, and proven high-temperature endurance to support reliable filtering and decoupling in compact surface-mount designs. Its electrical characteristics and reflow compatibility make it appropriate for engineers seeking predictable performance under electrical and thermal stress.

This part is well suited to designs that require long-term stability at elevated temperatures, effective suppression of switching noise, and streamlined SMD assembly. The combination of verifiable specs—ESR, ripple current, leakage, and endurance—provides the data needed to evaluate system-level trade-offs and lifecycle expectations.

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