RKS1J680MCNAJLGS

CAP ALUM POLY 68UF ±20% 63V SMD
Part Description

68 µF 63 V ±20% Polymer Aluminum Capacitor, SMD

Quantity 723 Available (as of November 3, 2026)
Product CategoryAluminum - Polymer Capacitors
Part SeriesRKS
ManufacturerNichicon
Manufacturing StatusMass Production
Manufacturer Standard Lead TimeContact Us
Datasheet

Specifications & Environmental

ApplicationsGeneral PurposeCapacitance68 µFECCNEAR99
ESR30 mOhm @ 100 kHzHeight Seated (Max)1.27 cmHTS Code8532.22.0020
ImpedanceN/ALead SpacingN/ALifetime @ Temp3000 h @ 125°C
Moisture Sensitivity LevelN/AMounting MethodSurface MountOperating Temperature-55°C - 125°C
Package / CaseRadial, Can - SMDPolarizationPolarRatingsN/A
REACH ComplianceREACH UnaffectedRipple Current High Frequency1.4 A @ 300 kHzRipple Current Low Frequency140 mA @ 120 Hz
RoHS ComplianceCompliantSize / Dimension12.4 x 10 mmSurface Mount Land SizeN/A
Tolerance-20%~20%Voltage63 V

Overview of RKS1J680MCNAJLGS – Surface Mount Conductive Polymer Aluminum Electrolytic Capacitor, 68 µF / 63 V

The RKS1J680MCNAJLGS from Nichicon is a surface-mount conductive polymer aluminum solid electrolytic capacitor in the RKS series. It provides 68 µF capacitance at a 63 V rating in a compact φ10 × 12.4 mm can-style SMD package with embossed carrier taping and moisture-proof packing.

Engineered for general-purpose electronic designs that require low ESR, elevated ripple handling, and long-term thermal endurance, this part delivers measurable performance across high-frequency and high-temperature environments (–55°C to +125°C) with a rated load life of 3000 hours at 125°C.

Key Features

  • Electrical Performance — 68 µF capacitance at 63 V with ±20% tolerance (measured at 120 Hz, 20°C) and tanδ of 0.12 (20°C, 120 Hz) for predictable AC behavior.
  • Low ESR & High-Frequency Capability — ESR of 30 mΩ measured at 20°C/100 kHz and a high-frequency ripple current rating of 1.4 A (at 300 kHz), supporting demanding switching environments.
  • Ripple Current — 140 mA allowable ripple at low frequency (120 Hz) and 1.4 A at high frequency, enabling stable operation under varying ripple conditions.
  • Leakage Current — Specified leakage current of 214 µA, measured after rated voltage application as part of product characterization.
  • Thermal Endurance — Rated for operation from –55°C to +125°C with an endurance rating of 3000 hours at 125°C, supporting long-term reliability in elevated-temperature applications.
  • Surface-Mount Package — Radial, can-style SMD package (φ10 × 12.4 mm) designed for automated placement and supplied in embossed carrier taping with moisture-proof packing.
  • RoHS Compliant — Conforms to RoHS requirements as indicated in product documentation.

Typical Applications

  • Power supply filtering — Low ESR (30 mΩ @100 kHz) and high ripple handling (1.4 A at 300 kHz) make this capacitor suitable for smoothing and filtering in switching power supplies and DC–DC converters.
  • Decoupling in high-frequency circuits — The 100 kHz ESR specification and 1.4 A high-frequency ripple rating support decoupling and stability in high-speed power rails and control electronics.
  • Industrial electronics — With a –55°C to +125°C operating range and 3000 h life at 125°C, the part is appropriate for industrial control and instrumentation designs that require extended thermal endurance.

Unique Advantages

  • High ripple capability: 1.4 A at 300 kHz enables reliable performance in high-frequency switching applications where sustained AC currents are present.
  • Low ESR for efficient energy transfer: 30 mΩ (20°C/100 kHz) reduces power loss and heat generation in power conversion and decoupling roles.
  • Extended high-temperature life: 3000 hours at 125°C provides proven endurance for designs exposed to elevated operating temperatures.
  • Compact SMD can package: φ10 × 12.4 mm form factor with embossed carrier taping supports automated assembly and space-constrained board layouts.
  • Measurable, application-oriented specs: Specified leakage current (214 µA), tanδ (0.12), and ripple values give engineers clear parameters for system-level design and thermal budgeting.

Why Choose RKS1J680MCNAJLGS?

RKS1J680MCNAJLGS balances low ESR, robust high-frequency ripple handling, and extended thermal endurance in a compact surface-mount aluminum conductive polymer package. Its clear, measured specifications for ESR, ripple current, leakage, and life make it well suited to engineers designing power supplies, high-frequency decoupling networks, and industrial electronics that demand reliable performance over temperature and time.

Designed for general-purpose use with production-ready packaging, this Nichicon RKS-series part offers predictable electrical behavior and durability useful for procurement, prototyping, and production deployments where measurable capacitor performance is required.

Request a quote or submit an inquiry to discuss availability, lead times, and volume pricing for RKS1J680MCNAJLGS.

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    Date Founded: 1950


    Headquarters: Nakagyo, Kyoto, Japan


    Employees: 5,000+


    Revenue: $1.2 Billion


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