RKS1H330MCNAFGGS

The RKS1H330MCNAFGGS is a surface-mount conductive polymer aluminum electrolytic capacitor with a nominal capacitance of 33 µF and a rated voltage of 50 V. Designed for applications that require low ESR and strong high-frequency ripple handling, it delivers stable performance across a wide temperature range.

Its construction and specifications—including a 3000-hour load life at 125°C, low ESR at 100 kHz, and reflow compatibility—make this device suitable for compact, high-reliability electronic assemblies operating in elevated-temperature environments.

Key Features

• Capacitance & Tolerance — 33 µF nominal capacitance with tolerance of -20% to +20% (±20% at 120 Hz, 20°C).
• Rated Voltage — 50 V DC rating for mid-voltage power applications.
• Low ESR — ESR specified at 40 mΩ measured at 20°C/100 kHz, supporting efficient high-frequency decoupling.
• High-Frequency Ripple Capability — High-frequency ripple current 1.1 A at 300 kHz and low-frequency ripple current 110 mA at 120 Hz, suitable for switching and regulation stages.
• Thermal Endurance — Rated operating temperature range −55°C to +125°C with a guaranteed load life of 3000 hours at 125°C.
• Leakage & Loss — Leakage current specified at 100 µA; tan δ (loss tangent) of 0.12 measured at 20°C, 120 Hz.
• SMD Package — Radial can SMD footprint, size φ6.3 × 7.7 mm (L × D) with recommended land size 6.6 × 6.6 mm; packaged in embossed carrier tape with moisture-proof packing.
• RoHS Compliant — Conforms to applicable RoHS directives as indicated in product data.
• Reflow Compatibility — Compatible with lead-free reflow soldering conditions up to a 260°C peak as specified for SMD assemblies.

Typical Applications

• Power rail decoupling — Low ESR and high-frequency ripple capability make it suitable for decoupling in switching power supplies and voltage regulators.
• High-temperature electronics — Rated to operate up to 125°C with a 3000-hour endurance, addressing applications exposed to elevated ambient temperatures.
• SMD power modules — Compact radial can SMD footprint and reflow compatibility enable integration into densely packed power modules and board-level power assemblies.

Unique Advantages

• High ripple tolerance: 1.1 A at 300 kHz high-frequency ripple current rating enables reliable performance under demanding switching conditions.
• Low high-frequency loss: 40 mΩ ESR at 100 kHz and tan δ of 0.12 at 120 Hz minimize power loss and heating in high-speed circuits.
• Extended high-temperature life: 3000-hour endurance at 125°C supports long-term stability in elevated-temperature environments.
• Compact SMD form factor: φ6.3 × 7.7 mm package and embossed carrier tape simplify automated assembly for space-constrained designs.
• Predictable leakage behavior: Leakage current limited to 100 µA for stable biasing and predictable startup characteristics.
• Assembly-friendly: Designed for lead-free reflow up to 260°C peak, aligning with modern SMD manufacturing processes.

Why Choose RKS1H330MCNAFGGS?

RKS1H330MCNAFGGS combines conductive polymer electrolytic performance with a compact SMD package, offering low ESR, strong high-frequency ripple capability, and extended life at elevated temperatures. These characteristics make it a practical choice for engineers designing power delivery, regulation, and decoupling solutions where thermal endurance and high-frequency performance are required.

Ideal for prototype-through-production deployments, this capacitor provides predictable electrical behavior and assembly compatibility that support robust, long-lived electronic systems while simplifying BOM decisions and board layout in constrained spaces.

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