RS81C101MDN1

The RS81C101MDN1 is a radial-lead conductive polymer aluminum electrolytic capacitor from Nichicon's RS8 series. It delivers 100 µF at 16 V in a low-profile φ6.3×8 mm can, intended for general-purpose electronic applications that require compact, low-ESR power components.

Designed for demanding ripple and frequency conditions, this part combines low equivalent series resistance (14 mΩ at 100 kHz) with high ripple-current capability (3.8 A at 300 kHz) and a wide operating temperature range (−55 °C to 105 °C), providing reliable performance in space-constrained board designs.

Key Features

• Capacitance & Tolerance — 100 µF nominal with a tolerance of −20% to +20% (measured at 120 Hz, 20 °C).
• Voltage Rating — Rated at 16 V DC for general-purpose power applications.
• Low ESR / High-Frequency Performance — ESR of 14 mΩ measured at 20 °C / 100 kHz and a tanδ (DF) of 0.1 (20 °C, 120 Hz) to support efficient high-frequency decoupling and filtering.
• High Ripple-Current Capability — Rated ripple current of 380 mA at 120 Hz (low frequency) and 3.8 A at 300 kHz (high frequency), with frequency coefficients provided across 120 Hz–300 kHz.
• Thermal Endurance — Life/endurance specified at 2000 hours at 105 °C under rated voltage conditions.
• Package & Mounting — Radial lead, polarized aluminum can with dimensions φ6.3 × 8 mm, lead spacing 2.5 mm (±0.5 mm). Available in bulk (no terminal forming) / bag packing.
• Leakage Current — Specified leakage current up to 500 µA (measured after 2 minutes at 20 °C with rated voltage).
• RoHS Compliance — Compliant with RoHS directive as stated for the RS8 series.

Typical Applications

• General-Purpose Electronics — Compact power and signal boards where a low-profile, polarized capacitor is required for bulk storage or local energy smoothing.
• High-Frequency Power Filtering — Where low ESR and strong high-frequency ripple handling reduce voltage ripple at switching nodes.
• Space-Constrained Designs — Low-profile φ6.3×8 mm package suited to densely populated PCBs and tight vertical clearance.

Unique Advantages

• Reduced ripple voltage: Low ESR (14 mΩ at 100 kHz) limits internal heating and lowers ripple-induced voltage drop in power rails.
• Handles high-frequency ripple: Rated for 3.8 A ripple at 300 kHz, making it suitable for high-frequency switching applications within its rated conditions.
• Compact, low-profile package: φ6.3×8 mm can with 2.5 mm lead spacing provides a small footprint for tight board layouts.
• Wide operating temperature: −55 °C to 105 °C operation and a 2000-hour endurance at 105 °C provide predictable behavior in elevated-temperature environments.
• Practical mounting and packaging: Radial-lead configuration and bulk/bag packing support manual assembly and variety of production workflows.
• Regulatory compliance: RoHS status indicated for compatibility with restricted-substance requirements.

Why Choose RS81C101MDN1?

RS81C101MDN1 positions itself as a compact, performance-focused conductive polymer aluminum capacitor for general-purpose electronic designs that demand low ESR, strong ripple-current capability, and a small footprint. Its combination of 100 µF capacitance at 16 V, 14 mΩ ESR (100 kHz), and a −55 °C to 105 °C operating range makes it a practical choice for designers balancing power performance and board space.

This part is suited to engineers working on compact power supplies, high-frequency filtering stages, and densely packed PCBs where reliable, repeatable capacitor behavior and lifecycle performance (2000 hours at 105 °C) are required.

To request pricing, check availability, or discuss volume requirements for RS81C101MDN1, submit a quote request or contact the sales team for assistance.