RKS1C680MCNAHHGS

The RKS1C680MCNAHHGS is a surface-mount conductive-polymer aluminum electrolytic capacitor in the RKS series, designed for general-purpose power applications. It combines a 68 µF capacitance at 16 V with a low ESR and high ripple-current capability to support compact SMD power delivery and decoupling requirements.

Engineered for elevated operating temperatures and long endurance, this part offers a rated temperature range of −55°C to 125°C and a load life of 3000 hours at 125°C, making it suitable for designs that demand stable performance over extended thermal exposure.

Key Features

• Capacitance and Tolerance — 68 µF nominal capacitance with a tolerance of −20% to +20% (measured at 20°C, 120 Hz).
• Rated Voltage — 16 V DC rating for general-purpose power-filtering and decoupling tasks.
• Low ESR & High Ripple Handling — ESR of 30 mΩ measured at 20°C/100 kHz and high-frequency ripple current of 1.6 A (at 300 kHz), plus low-frequency ripple current of 160 mA (at 120 Hz), supporting effective smoothing in high-switching environments.
• Loss Tangent (tan δ) — tan δ of 0.12 measured at 20°C, 120 Hz, for predictable dissipation characteristics.
• Leakage Current — Specified leakage current of 100 µA after standard conditioning.
• Reliability & Endurance — Rated for 3000 hours at 125°C under rated voltage (endurance specification from series datasheet).
• Temperature Range — Wide operating range from −55°C to +125°C for robust thermal performance.
• Package & Mounting — Surface-mount radial can (SMD) with dimensions φ8 × 8.7 mm (D × L); supplied in embossed carrier taping with moisture-proof packing for assembly compatibility.
• Reflow Compatibility — SMD type with lead-free reflow soldering condition correspondence to a 260°C peak, per series specification.
• RoHS Compliant — Conforms to applicable RoHS requirements.

Typical Applications

• Power Filtering — Use where bulk capacitance and low ESR reduce ripple and stabilize DC rails in compact SMD layouts.
• DC–DC Converter Output — Suitable for output smoothing in converters that benefit from high-frequency ripple current capability and low ESR.
• Decoupling / Bypass — Effective for general-purpose decoupling near IC power inputs to support transient load demands.
• Embedded Power Modules — Fits space-constrained modules requiring a small can-style SMD capacitor with a broad temperature range and extended life.

Unique Advantages

• High Ripple Capability: 1.6 A high-frequency ripple current rating (300 kHz) enables handling of fast switching currents without excessive heating.
• Low ESR for Improved Efficiency: 30 mΩ ESR at 100 kHz minimizes power loss and voltage drop under dynamic loads.
• Extended High-Temperature Life: Specified 3000-hour endurance at 125°C supports reliable operation in thermally demanding environments.
• Compact SMD Form Factor: φ8 × 8.7 mm can-style SMD package balances capacitance density with PCB space constraints and is supplied in embossed carrier tape for automated placement.
• Predictable Dissipation Behavior: tan δ specified at 0.12 (20°C, 120 Hz) provides consistent dielectric loss characteristics for thermal and circuit modeling.
• Manufacturing-Ready: Lead-free reflow compatibility to a 260°C peak supports modern assembly processes.

Why Choose RKS1C680MCNAHHGS?

RKS1C680MCNAHHGS positions itself as a reliable, compact solution for designers who need a balance of capacitance, low ESR, and high ripple-current handling in a surface-mount can package. Its wide operating temperature range and 3000-hour endurance at 125°C make it well suited to designs that require sustained performance under thermal stress.

This part is appropriate for engineers and procurement teams seeking a RoHS-compliant SMD conductive-polymer aluminum capacitor with defined electrical characteristics—capacitance, ESR, ripple capability, leakage, and reflow compatibility—backed by series-level endurance specifications.

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