RKS1H8R2MCNAFEGS

The RKS1H8R2MCNAFEGS is a surface-mount conductive polymer aluminum solid electrolytic capacitor from Nichicon's RKS series. It delivers 8.2 µF capacitance at a 50 V rating in a compact φ6.3 × 5.8 mm SMD can, designed for board-level power filtering where low ESR and stable performance at elevated temperatures are required.

With a wide operating temperature range (−55°C to 125°C), a rated lifetime of 3000 hours at 125°C, and low ESR, this part is targeted at applications that need reliable decoupling and ripple handling in compact surface-mount designs.

Key Features

• Capacitance & Voltage: 8.2 µF nominal capacitance with ±20% tolerance, rated at 50 V DC.
• Low ESR & High‑frequency performance: ESR specified at 80 mΩ measured at 100 kHz (20°C), supporting high-frequency ripple currents up to 750 mA at 300 kHz.
• Ripple current ratings: 75 mA at 120 Hz (low frequency) and 750 mA at 300 kHz (high frequency), allowing effective AC ripple handling across a range of frequencies.
• Leakage current: Specified leakage current of 100 µA after 2 minutes at rated voltage (measurement condition: 20°C, 120 Hz).
• High-temperature endurance: Rated life of 3000 hours at 125°C under rated voltage; endurance specifications include limits on capacitance change, tan δ and ESR after test.
• Temperature range: −55°C to 125°C operating range for use in thermally demanding environments.
• Package & assembly: Surface-mount radial can (SMD) with size φ6.3 × 5.8 mm; recommended land size 6.6 × 6.6 mm. Supplied in embossed carrier tape with moisture-proof packing and compatible with lead‑free reflow soldering (peak up to 260°C as specified).
• Regulatory: RoHS‑compliant per provided product declaration.

Typical Applications

• Power supply decoupling: Local decoupling and smoothing on DC rails where low ESR and defined ripple current capability improve stability and transient response.
• DC–DC converters and point-of-load modules: Compact SMD can and high-frequency ripple handling make it suitable for board-level converters operating at elevated temperatures.
• Industrial power electronics: Long life at 125°C and robust leakage/ESR characteristics support sustained operation in industrial power subsystems.
• High-density embedded electronics: Small footprint and surface-mount packaging enable use in space-constrained designs requiring reliable power filtering.

Unique Advantages

• High-temperature reliability: 3000-hour rated life at 125°C provides predictable endurance in high-temperature environments.
• High-frequency capability: 80 mΩ ESR at 100 kHz combined with 750 mA high-frequency ripple current supports effective filtering at switching frequencies.
• Compact SMD can: φ6.3 × 5.8 mm size delivers significant capacitance in a small board footprint for dense assemblies.
• RoHS compliance and reflow compatibility: Lead‑free reflow compatibility to 260°C (per soldering conditions) and RoHS status simplify modern assembly processes.
• Controlled leakage: Leakage current specified at 100 µA ensures predictable bias behavior after voltage application and conditioning.

Why Choose RKS1H8R2MCNAFEGS?

RKS1H8R2MCNAFEGS positions itself as a compact, high-temperature-capable SMD capacitor that combines low ESR and substantial ripple current handling with a long rated life at 125°C. Its electrical characteristics and package dimensions make it well suited to designers who need reliable board-level decoupling and smoothing in compact power assemblies.

This part is ideal for teams designing power supplies, DC–DC modules, and industrial or embedded systems that demand stable performance at elevated temperatures and during high-frequency operation, while remaining compatible with lead‑free assembly processes.

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