RKS1J180MCNAFGGS

The RKS1J180MCNAFGGS is a conductive polymer aluminum solid electrolytic capacitor in a compact surface-mount radial can package (φ6.3 × 7.7 mm). It provides 18 µF capacitance at a 63 V rated voltage with a wide operating temperature range from −55 °C to 125 °C and a specified load life of 3000 hours at 125 °C.

Designed for SMD assembly and high-frequency environments, this part targets designs that require high allowable ripple current, low ESR at high frequency, and reliable performance over extended high-temperature operation.

Key Features

• Capacitance & Voltage — 18 µF nominal capacitance with a rated voltage of 63 V and tolerance of −20% to +20%.
• Conductive Polymer Electrolyte — Solid conductive polymer construction for stable electrical characteristics and leakage performance (specified leakage current 100 µA).
• High-Frequency Performance — ESR of 80 mΩ measured at 20 °C/100 kHz and a high-frequency ripple current rating of 900 mA at 300 kHz, enabling improved filtering at high switching frequencies.
• Low-Frequency Ripple Handling — Rated low-frequency ripple current of 90 mA at 120 Hz for mains-related ripple applications.
• Dissipation Factor — tanδ (DF) specified at 0.12 measured at 20 °C, 120 Hz to support predictable AC behavior.
• Extended High-Temperature Endurance — Load life specified at 3000 hours at 125 °C, with endurance criteria for capacitance, tanδ and ESR defined in the datasheet.
• Assembly & Packaging — Surface-mount radial can (φ6.3 × 7.7 mm) supplied in embossed carrier tape with moisture-proof packing and compatible with lead-free reflow profiles (solder peak temperature up to 260 °C as specified for the series).
• Environmental Compliance — RoHS compliant as stated in product data.

Typical Applications

• High-frequency power modules — Use where high-frequency ripple current handling (900 mA at 300 kHz) and low ESR (80 mΩ at 100 kHz) are required for effective filtering.
• Thermally demanding electronics — Suited to assemblies that must operate reliably up to 125 °C with a 3000 hour rated life at that temperature.
• Compact SMD power supplies — Small φ6.3 × 7.7 mm SMD radial can package for space-constrained power designs requiring solid-electrolyte performance.

Unique Advantages

• High ripple-current capability: Rated for 900 mA at 300 kHz, enabling more effective suppression of switching noise in high-frequency circuits.
• Low high-frequency ESR: 80 mΩ at 100 kHz helps reduce AC losses and thermal rise in demanding power applications.
• Extended high-temperature life: 3000 hours at 125 °C provides long-term stability in elevated temperature environments.
• Surface-mount radial can: Compact φ6.3 × 7.7 mm footprint and embossed carrier taping simplify automated assembly for high-volume production.
• Predictable leakage and loss: Specified leakage current (100 µA) and tanδ (0.12 at 20 °C, 120 Hz) support reliable design margining and AC performance budgeting.
• RoHS compliant: Meets environmental directive requirements as stated in the product data.

Why Choose RKS1J180MCNAFGGS?

The RKS1J180MCNAFGGS combines conductive polymer solid-electrolyte construction, a compact SMD radial can form factor, and defined high-frequency electrical characteristics to address designs that need durable, low-ESR capacitance at elevated temperatures. Its 63 V rating, 18 µF value, and 3000-hour endurance at 125 °C make it appropriate for engineers specifying components where sustained ripple handling and thermal robustness are required.

This part is suited to teams developing high-frequency power modules, compact power supplies, or thermally-challenging electronic assemblies that require verifiable electrical parameters and automated assembly compatibility.

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