RKS1K270MCNAHJGS

The RKS1K270MCNAHJGS from Nichicon is a surface-mount conductive polymer aluminum solid electrolytic capacitor in the RKS series, rated at 27 µF and 80 V. It combines low ESR and high allowable ripple current with extended high-temperature endurance for demanding general-purpose power decoupling and smoothing applications.

Designed for SMD assembly and shipped in embossed carrier taping with moisture-proof packing, this part targets designs that require compact, polarized capacitance with stable performance across –55 °C to 125 °C and a rated load life of 3000 hours at 125 °C.

Key Features

• Core Technology — Conductive polymer aluminum solid electrolytic construction for stable electrical performance and reduced equivalent series resistance compared to standard electrolytics.
• Capacitance & Voltage — 27 µF nominal capacitance with ±20% tolerance and an 80 V rated voltage for higher-voltage SMD applications.
• Low ESR & High Ripple Capability — ESR of 40 mΩ measured at 20 °C / 100 kHz and high-frequency ripple current of 1.1 A (300 kHz), supporting reduced loss and improved thermal behavior under AC ripple.
• Measured Loss Angle — tan δ = 0.12 (measured at 20 °C, 120 Hz), providing a quantifiable dissipation factor for AC performance evaluation.
• High-Temperature Endurance — Rated life of 3000 hours at 125 °C under rated voltage, with specified limits on capacitance, tan δ and ESR after endurance testing.
• Compact SMD Package — Size φ8 × 10L (D: 8 mm × L: 10 mm), radial can SMD package suited for space-constrained PCB layouts and automated placement.
• Manufacturing & Handling — Supplied in embossed carrier taping with moisture-proof packing and designed to withstand reflow soldering profiles documented in the series datasheet.
• Regulatory — RoHS compliant.

Typical Applications

• Power conversion modules — Use for smoothing and energy buffering where high-frequency ripple currents and low ESR are required.
• DC–DC converters — Suitable for input/output decoupling in compact converter stages thanks to 27 µF capacitance and high ripple capability.
• Industrial and instrumentation electronics — Provides stable capacitance across –55 °C to 125 °C and long life at elevated temperature for rugged environments.

Unique Advantages

• High ripple-current tolerance: 1.1 A at 300 kHz and 110 mA at 120 Hz reduce heating and extend operating life in AC-loaded circuits.
• Low ESR at high frequency: 40 mΩ (20 °C / 100 kHz) enables lower power loss and better filtering performance in high-speed power rails.
• Extended high-temperature life: 3000 hours at 125 °C under rated voltage provides predictable endurance for thermally demanding designs.
• Compact SMD form factor: φ8 × 10 mm can fits tight PCB footprints while remaining suitable for automated assembly and moisture-controlled handling.
• Measured dissipation factor: tan δ = 0.12 at 20 °C / 120 Hz gives a clear reference for AC loss budgeting in design simulations.
• RoHS compliant and production-ready: Mass production status with embossed carrier taping / moisture-proof packing supports volume manufacturing and storage.

Why Choose RKS1K270MCNAHJGS?

RKS1K270MCNAHJGS is positioned for engineers who need a compact, surface-mount polarized capacitor that combines conductive polymer technology with measurable low ESR, high ripple capability, and long-term stability at elevated temperatures. Its specification set—27 µF at 80 V, 40 mΩ ESR (100 kHz), 1.1 A HF ripple capability, and 3000-hour life at 125 °C—makes it suitable for power-stage decoupling and general-purpose use where thermal endurance and AC performance are priorities.

This part is well suited to design teams and procurement professionals seeking a production-ready SMD capacitor with moisture-proof packaging and clear electrical characteristics for reliable integration into high-temperature and high-ripple environments.

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