RNU1D561MDN1

The RNU1D561MDN1 from Nichicon is a conductive polymer aluminum solid electrolytic capacitor in the RNU series, offered in a radial lead can. It delivers 560 µF at a 20 V rating with a compact φ10 × 12.5 mm case and 5 mm lead spacing for through‑hole assemblies.

Designed for general‑purpose electronic applications that require low ESR and high ripple current handling, this part combines high capacitance density with solid electrolytic reliability and RoHS compliance.

Key Features

• Capacitance & Voltage — 560 µF rated capacitance at 20 V, with capacitance tolerance ±20% (measured at 120 Hz, 20°C).
• Low ESR — ESR of 12 mΩ measured at 20°C/100 kHz, supporting efficient high‑frequency performance.
• High Ripple Current — Rated ripple current of 540 mA at 120 Hz (low frequency) and 5.4 A at 300 kHz (high frequency), enabling robust AC load handling.
• Loss Tangent — tanδ (DF) of 0.12 (measured at 20°C, 120 Hz, 20 V), indicating controlled dielectric losses for power applications.
• Reliability / Endurance — Life rated to 2000 hours at 105°C under rated voltage conditions.
• Mechanical & Mounting — Radial lead can package, case size φ10 × 12.5 mm, lead spacing 5 mm (±0.5 mm), supplied in bulk or bag packing for assembly flexibility.
• Leakage Current — Specified leakage current of 2240 µA (measured at 20°C after 2 minutes).
• Operating Temperature — Wide operating range from −55°C to +105°C for varied environments.
• Regulatory — RoHS compliant.

Typical Applications

• General‑purpose power supply smoothing — Provides bulk capacitance in through‑hole assemblies where 560 µF and 20 V are required, with low ESR to reduce voltage ripple.
• High‑frequency ripple handling — Suited to circuits that require high ripple current capability (5.4 A at 300 kHz) thanks to its low ESR and conductive polymer construction.
• Embedded and industrial electronics — Useful in general‑purpose electronic assemblies that demand a compact radial lead capacitor with endurance at elevated temperature (2000 h at 105°C).

Unique Advantages

• High capacitance in a compact package: 560 µF in a φ10 × 12.5 mm can minimizes board area while providing substantial energy storage.
• Low ESR for improved efficiency: 12 mΩ at 100 kHz reduces loss and heating in high‑frequency applications.
• Strong ripple current capability: 5.4 A at 300 kHz and 540 mA at 120 Hz enable dependable performance under AC stress.
• Robust thermal endurance: Rated for operation from −55°C to 105°C with a 2000‑hour life at 105°C, supporting long‑life deployments.
• Through‑hole, assembly‑friendly form factor: Radial lead can with 5 mm lead spacing and available bulk/bag packing for standard wave or manual assembly processes.
• RoHS compliant: Meets regulatory requirements for restricted substances in applicable regions.

Why Choose RNU1D561MDN1?

The RNU1D561MDN1 targets designs that need a reliable, high‑capacitance, low‑ESR through‑hole capacitor. Its conductive polymer aluminum construction delivers measurable benefits in ripple handling and loss characteristics, while the compact radial can and standard lead spacing simplify integration into existing PCB layouts.

This part is well suited to engineers and procurement teams seeking a mass‑production, RoHS‑compliant capacitor for general‑purpose assemblies that must balance capacitance, thermal endurance (2000 hours at 105°C), and high‑frequency performance.

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