RNU1H680MDN1

The RNU1H680MDN1 is a conductive polymer aluminum solid electrolytic capacitor in a radial lead package (FPCAP RNU series). It provides 68 µF capacitance at a 50 V rating with low equivalent series resistance and high ripple current handling for general-purpose electronic designs.

Designed for applications that require stable capacitance across a wide temperature span and sustained performance under elevated temperature conditions, this radial-lead component is suited to through‑hole assemblies and general-purpose power and filtering circuits.

Key Features

• Conductive polymer construction Solid electrolyte design delivering low ESR and stable performance over frequency.
• Capacitance and tolerance 68 µF nominal with ±20% tolerance at 120 Hz, 20°C.
• Voltage rating Rated for 50 V operation.
• Low ESR ESR of 24 mΩ measured at 20°C / 100 kHz for reduced loss and improved efficiency.
• High ripple current capability 270 mA at 120 Hz (low frequency) and 2.7 A at 300 kHz (high frequency), enabling robust handling of AC ripple across a wide frequency range.
• Thermal and endurance performance Operating range −55°C to 105°C with rated life of 2000 hours at 105°C.
• Leakage current Specified leakage current of 680 µA (after 2 minutes at 20°C).
• Compact radial package Case size φ10 × 12.5 mm, radial lead spacing 5.0 mm (±0.5 mm) for through‑hole mounting; available in bulk or bag packing.
• RoHS compliant Conforms to RoHS directive as noted in the product series documentation.

Typical Applications

• General-purpose power circuits Suitable where stable bulk capacitance and low ESR are required for smoothing and decoupling.
• High ripple-current environments Works in designs that encounter significant AC ripple across low and high frequencies thanks to rated ripple current up to 2.7 A at 300 kHz.
• Through-hole assemblies Radial-lead form factor and φ10×12.5 mm case make it appropriate for conventional PCB mounting and prototyping.

Unique Advantages

• Low-loss operation: ESR of 24 mΩ at 100 kHz reduces power dissipation and improves thermal behavior in high-frequency applications.
• Wide frequency ripple support: Rated ripple current specifications at both 120 Hz and 300 kHz provide measurable performance across low and high frequency stressors.
• High-temperature endurance: 2000-hour life at 105°C offers predictable long-term behavior in elevated ambient conditions.
• Compact radial footprint: φ10×12.5 mm case with 5 mm lead spacing fits space-constrained through-hole designs while remaining easy to handle during assembly.
• Measured leakage and loss parameters: Clear leakage current and tan δ specifications support design validation and reliability assessment.
• RoHS compliance: Meets RoHS requirements as part of the RNU series documentation.

Why Choose RNU1H680MDN1?

RNU1H680MDN1 combines conductive-polymer performance with a radial through‑hole package to deliver low ESR, high ripple capability, and rated endurance at 105°C. Its specified electrical and thermal parameters make it a straightforward choice for engineers seeking predictable filtering, decoupling, or smoothing behavior in general-purpose electronic designs.

This part is well suited to teams and projects that require verifiable specifications for ESR, ripple current, leakage, and life testing, and who prefer a compact radial-lead capacitor with RoHS compliance and standard bag/bulk packaging options.

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