RKS1H220MCNAFGGS

The RKS1H220MCNAFGGS from Nichicon is a conductive polymer aluminum solid electrolytic capacitor in a surface-mount can package. It delivers 22 µF capacitance at 50 V with low equivalent series resistance and high allowable ripple current for compact, high-performance power applications.

Designed for elevated temperature operation and reflow assembly, this capacitor targets applications that require long endurance (3000 hours at 125°C), low loss, and robust high-frequency ripple handling in space-constrained PCB layouts.

Key Features

• Dielectric / Type Conductive polymer aluminum solid electrolytic construction for stable performance and low loss.
• Capacitance & Tolerance 22 µF nominal with ±20% tolerance at 120 Hz, 20°C, providing defined bulk and decoupling capacitance.
• Rated Voltage 50 V DC rating suitable for medium-voltage rail applications.
• Low ESR ESR = 40 mΩ measured at 20°C/100 kHz, enabling improved high-frequency performance and reduced power loss.
• High Ripple Current Capability Low-frequency ripple current 110 mA (120 Hz) and high-frequency ripple current 1.1 A (300 kHz) for demanding switching environments.
• Wide Temperature Range & Endurance Operational from −55°C to 125°C with a rated load life of 3000 hours at 125°C.
• Reflow & Assembly SMD radial can package rated for lead-free reflow conditions (peak up to 260°C per datasheet soldering profile); supplied in embossed carrier taping with moisture-proof packing for SMT lines.
• Compact Package Case size φ6.3 × 7.7 mm (D × L) with recommended land pattern L:6.6 × W:6.6 mm for surface-mount assembly.
• RoHS Compliant Meets RoHS directive requirements (2011/65/EU, (EU)2015/863).

Typical Applications

• Power supply filtering Bulk and output filtering for compact DC-DC converters that need 22 µF at 50 V with low ESR and high ripple handling.
• High-frequency switching circuits Decoupling and ripple suppression in switch-mode power stages where 1.1 A high-frequency ripple current capability and low ESR (40 mΩ) improve stability and efficiency.
• Elevated-temperature electronics Power rail decoupling for embedded modules and industrial electronics operating up to 125°C and requiring a 3000-hour high-temperature life.
• Space-constrained PCB designs Applications that require a small SMD can (φ6.3 × 7.7 mm) with reliable reflow compatibility and tape-and-reel packaging for automated assembly.

Unique Advantages

• Low-loss polymer chemistry: Conductive polymer electrolyte reduces tan δ and ESR for improved high-frequency response and lower dissipation.
• High ripple endurance: Rated ripple currents (110 mA @120 Hz and 1.1 A @300 kHz) enable use directly at switching nodes and outputs without rapid performance degradation.
• Extended high-temperature life: 3000 hours at 125°C supports designs intended for sustained elevated-temperature operation.
• SMT-ready packaging: Embossed carrier taping and moisture-proof packing streamline automated placement and reflow assembly processes.
• Compact footprint: Small φ6.3 × 7.7 mm can and specified land pattern help minimize board area while providing useful capacitance and voltage rating.

Why Choose RKS1H220MCNAFGGS?

The RKS1H220MCNAFGGS balances low ESR, strong ripple-handling capability, and prolonged high-temperature endurance in a compact surface-mount can. It is well suited to designers who need a reliable 22 µF / 50 V polymer-aluminum solution for power-supply filtering and decoupling in constrained PCB spaces and elevated-temperature environments.

Backed by Nichicon’s RKS series specifications—RoHS compliance, reflow compatibility to 260°C peak, and documented endurance—this part is appropriate for engineers prioritizing stable electrical performance, assembly readiness, and long-term thermal reliability.

If you’d like pricing, availability, or technical support for integration into your design, request a quote or contact sales to submit your requirements and receive a formal quotation.