RNU1A100MDS1

The RNU1A100MDS1 is a radial-lead conductive polymer aluminum solid electrolytic capacitor from Nichicon's RNU series. It provides 10 µF capacitance at a 10 V rating in a compact φ4×5 mm can with 1.5 mm lead spacing.

Designed for general-purpose electronic assemblies, this polarized capacitor delivers low ESR, measurable high-frequency ripple capability, and an extended temperature range for reliable operation in compact, low-voltage board-level designs.

Key Features

• Capacitance & Tolerance — 10 µF nominal capacitance with tolerance of −20% to +20% (measured at 120 Hz, 20°C).
• Rated Voltage & Polarization — 10 V rated voltage, polarized construction.
• Low ESR & Frequency Performance — ESR of 220 mΩ measured at 20°C/100 kHz; series datasheet highlights low ESR and high capacitance characteristics.
• Ripple Current Capability — Low-frequency ripple current 70 mA at 120 Hz and high-frequency ripple current 700 mA at 300 kHz; datasheet frequency coefficients confirm full-rated ripple at 100–300 kHz.
• Loss Factor (tan δ) — tan δ = 0.12 (measurement condition: 20°C, 120 Hz, 10 V).
• Temperature & Endurance — Operating temperature range −55°C to +105°C with rated life/endurance of 2000 hours at 105°C.
• Package & Mounting — Radial lead can, size φ4×5 mm, lead spacing 1.5 mm (lead spacing tolerance ±0.5 mm); available in bulk (no terminal forming) or bag packing.
• RoHS Compliance — Compliant to the RoHS directive as noted in product data.

Typical Applications

• General-purpose electronic circuits — Suited to designs requiring a compact 10 µF, 10 V polarized capacitor with low ESR characteristics.
• PCB-mounted radial-lead assemblies — Radial lead format and φ4×5 mm can size fit compact board layouts where through-hole radial components are required.
• High-frequency ripple environments — Specified high-frequency ripple capability (700 mA at 300 kHz) and 220 mΩ ESR at 100 kHz support use in circuits subject to elevated high-frequency ripple currents.

Unique Advantages

• Low ESR for high-frequency performance: ESR specified at 220 mΩ (20°C/100 kHz) reduces losses at high switching frequencies.
• High ripple current handling: Rated ripple currents of 70 mA (120 Hz) and 700 mA (300 kHz) allow the capacitor to manage varied ripple profiles.
• Compact radial package: φ4×5 mm can and 1.5 mm lead spacing enable use in space-constrained through-hole assemblies.
• Wide temperature range with rated endurance: −55°C to +105°C operating range and 2000 hours life at 105°C provide predictable aging characteristics under elevated temperature stress.
• Conductive polymer construction: Series datasheet identifies conductive polymer aluminum solid electrolyte, contributing to the component's low ESR and high capacitance properties.
• Packaging flexibility: Available in bulk (no terminal forming) or bag packing to suit assembly and handling preferences.

Why Choose RNU1A100MDS1?

RNU1A100MDS1 positions itself as a compact, low-ESR polarized capacitor option for general-purpose PCB designs that require robust high-frequency ripple handling and stable performance across −55°C to +105°C. Its conductive polymer construction and specified ESR and ripple limits make it appropriate where measurable high-frequency behavior and a small radial footprint are required.

This part is suitable for engineers specifying through-hole radial capacitors for low-voltage applications who need verifiable electrical parameters and endurance data for reliable BOM selection and long-term design planning.

Request a quote or submit a sales inquiry for RNU1A100MDS1 to obtain pricing, availability, and ordering information.