RKS1V390MCNAHGGS

The RKS1V390MCNAHGGS from Nichicon is a conductive polymer aluminum solid electrolytic surface-mount capacitor delivering 39 µF at a 35 V rating. It combines low ESR and high allowable ripple current in a compact φ8 × 7.7 mm SMD can for applications that demand stable filtering and high-frequency performance.

Engineered for durability, the RKS series offers a rated operating range of −55°C to 125°C with a load life of 3000 hours at 125°C, and is supplied in embossed carrier taping with moisture-proof packing for assembly-ready handling.

Key Features

• Capacitance & Voltage — 39 µF nominal capacitance with a 35 V rated voltage and ±20% tolerance to meet precise decoupling and energy-storage requirements.
• Low ESR & High-Frequency Performance — ESR of 30 mΩ measured at 100 kHz (20°C) and a high-frequency ripple current rating of 1.6 A at 300 kHz, supporting stable performance under high-frequency stress.
• Ripple Current Capability — Low-frequency ripple current specified at 160 mA (120 Hz) and high-frequency ripple up to 1.6 A, enabling effective smoothing and filtering across frequency ranges.
• High Temperature Endurance — Rated operating temperature from −55°C to 125°C with an endurance (load life) of 3000 hours at 125°C, designed for prolonged operation in elevated temperature environments.
• Reliability & Leakage — Leakage current specified at 100 µA (or per datasheet conditioning), and tanδ of 0.12 at 20°C, 120 Hz for predictable electrical behavior.
• SMD Package & Assembly — Radial can SMD case (φ8 × 7.7 mm, surface-mount land 8.3 × 8.3 mm) compatible with lead-free reflow profiles; supplied in embossed carrier taping with moisture-proof packing for SMT lines.
• Compliance — RoHS compliant as specified in product data.

Typical Applications

• Power supply filtering — Low ESR and 1.6 A high-frequency ripple capability make it suitable for output filtering in power-regulation stages where ripple suppression is critical.
• High-frequency decoupling — The capacitor’s low impedance at high frequency supports decoupling near switching components to stabilize voltage rails.
• Elevated-temperature electronic assemblies — With a −55°C to 125°C operating range and 3000-hour endurance at 125°C, it is suited for designs exposed to sustained high temperatures.

Unique Advantages

• High ripple tolerance: 1.6 A at 300 kHz and 160 mA at 120 Hz enable reliable filtering under both low- and high-frequency ripple loads.
• Low ESR for efficient performance: 30 mΩ ESR at 100 kHz reduces thermal loss and supports stable voltage behavior in high-frequency circuits.
• Robust thermal endurance: 3000 hours at 125°C gives designers quantifiable life expectancy for high-temperature applications.
• Assembly-ready SMD format: Compact φ8 × 7.7 mm SMD can with embossed carrier taping and moisture-proof packing simplifies SMT handling and reflow processing.
• Predictable leakage and loss characteristics: Leakage current specified at 100 µA and tanδ 0.12 (20°C, 120 Hz) aid in accurate power budgeting and thermal design.

Why Choose RKS1V390MCNAHGGS?

RKS1V390MCNAHGGS positions itself as a durable, high-capacitance SMD solution for designers needing low ESR and high ripple handling in compact packages. Its specified electrical parameters—39 µF at 35 V, 30 mΩ ESR at 100 kHz, and 1.6 A high-frequency ripple—are directly applicable to demanding filtering and decoupling roles in elevated-temperature assemblies.

Manufactured by Nichicon and supplied in embossed carrier taping with moisture-proof packing, this part is aimed at teams requiring reliable performance across long thermal lifetimes, straightforward PCB assembly, and RoHS-compliant components for production deployments.

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