RKS1C181MCNAHGGS

The RKS1C181MCNAHGGS is a surface-mount, conductive polymer aluminum solid electrolytic capacitor offering 180 µF capacitance at a 16 V rating. It is designed for general-purpose use where compact SMD packaging, low ESR and stable performance across a wide temperature range are required.

With a −55 °C to 125 °C operating range, a rated lifetime of 3000 hours at 125 °C, and embossed carrier taping for automated assembly, this part targets power-supply filtering, decoupling and compact high-frequency applications that demand low loss and reliable long-term operation.

Key Features

• Capacitance & Voltage: 180 µF nominal capacitance with a 16 V rated voltage and tolerance of −20% to +20% at 120 Hz, 20 °C.
• Conductive-polymer construction: Solid electrolyte architecture delivering low loss (tan δ = 0.12 at 20 °C, 120 Hz) for improved high-frequency behavior.
• Low ESR & High-frequency performance: ESR of 30 mΩ measured at 20 °C/100 kHz and high-frequency ripple current capability of 1.6 A at 300 kHz, enabling effective decoupling and smoothing in compact designs.
• Ripple current capability: Low-frequency ripple current of 160 mA at 120 Hz and high-frequency ripple current of 1.6 A (300 kHz) for mixed-frequency power systems.
• Reliability & lifetime: Endurance rated 3000 hours at 125 °C under rated voltage; designed to meet specified capacitance, tan δ and ESR limits after life test.
• Package & assembly: SMD radial can (φ8 × 7.7 mm) in embossed carrier taping with moisture-proof packing for surface-mount production and reflow processes.
• Wide operating temperature: Specified for operation from −55 °C to 125 °C to support demanding thermal environments.
• Leakage and dissipation: Leakage current specified at 144 µA and tan δ ≤ 0.12 for stable low-loss operation.
• RoHS compliance: Meets the RoHS directive as stated in product documentation.

Typical Applications

• Power supply decoupling: Compact bulk and decoupling capacitor for DC power rails where 180 µF at 16 V, low ESR and robust ripple handling reduce voltage ripple and stabilize regulators.
• DC–DC converters: Input/output filtering in switch-mode power supplies that require low ESR at high frequency (30 mΩ at 100 kHz) and high HF ripple current capability.
• Embedded systems and modules: On-board energy storage and smoothing for compact modules and subassemblies where surface-mount packaging and long high-temperature life are important.

Unique Advantages

• Low-loss conductive polymer design: Provides a low tan δ (0.12) for reduced dissipation and improved high-frequency performance compared to higher-loss electrolytes.
• High ripple tolerance: Combined LF and HF ripple ratings (160 mA at 120 Hz, 1.6 A at 300 kHz) let designers handle mixed-frequency ripple without adding bulky components.
• Low ESR: 30 mΩ at 100 kHz supports tight decoupling and minimizes I2R losses in power delivery networks.
• Extended high-temperature life: 3000-hour endurance at 125 °C gives predictable long-term behavior in thermally stressed applications.
• SMD-ready packaging: φ8 × 7.7 mm radial can in embossed carrier taping simplifies automated placement and reflow assembly flows.
• Wide temperature range: −55 °C to 125 °C rating supports a broad set of environmental conditions without component substitution.

Why Choose RKS1C181MCNAHGGS?

RKS1C181MCNAHGGS positions itself as a reliable, low-loss SMD aluminum polymer capacitor for designers who need compact bulk capacitance, low ESR and high ripple capability in a single component. Its combination of 180 µF/16 V rating, 30 mΩ ESR (100 kHz), and 3000-hour endurance at 125 °C makes it suitable for power delivery and filtering tasks in space-constrained, thermally demanding assemblies.

This part is well suited to engineers specifying components for embedded power systems, DC–DC converter modules, and board-level decoupling where consistent electrical performance, automated assembly compatibility and long-term thermal stability are priorities.

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