RS81E101MCN1

The RS81E101MCN1 from Nichicon is a conductive polymer aluminum solid electrolytic capacitor in a radial-leaded can, optimized for general-purpose power applications. It delivers 100 µF capacitance at 25 V in a compact low-profile package (φ6.3 × 8 mm) with a working temperature range of −55°C to 105°C.

Designed for low impedance at high frequency and robust ripple handling, this part suits space-constrained power and decoupling applications where low ESR, predictable leakage, and endurance at elevated temperature are required.

Key Features

• Capacitance & Voltage — 100 µF rated capacitance with a 25 V rating and tolerance of −20% to +20% (measured at 120 Hz, 20°C).
• Conductive Polymer Construction — Solid conductive-polymer electrolyte for stable electrical characteristics and low leakage (specified 750 µA after 2 minutes at 20°C).
• Low ESR at High Frequency — ESR specified as 18 mΩ at 20°C/100 kHz, supporting high-frequency decoupling and power-stage stability.
• High Ripple Current Capability — Rated ripple current 350 mA at 120 Hz (low frequency) and 3.5 A at 300 kHz (high frequency), with frequency coefficients defined in the series datasheet.
• Compact Low-Profile Package — Radial lead, can package with dimensions φ6.3 × 8 mm and lead spacing of 2.5 mm (lead spacing tolerance ±0.5 mm), suitable for tight board layouts.
• Endurance — Load life specified as 2000 hours at 105°C under rated voltage.
• Regulatory Status — RoHS compliant.
• Availability — Mass-production status; packaged in bulk or bag packing (no terminal forming).

Typical Applications

• Power supply decoupling — Low ESR and high ripple-current ratings make this capacitor suitable for bulk and output decoupling on DC–DC converters and switching regulators.
• High-frequency filtering — ESR specified at 100 kHz and high-frequency ripple capability support filtering in high-speed switching applications.
• Space-constrained designs — The compact φ6.3 × 8 mm low-profile package is appropriate where PCB area and height are limited.
• General-purpose electronics — A general-purpose radial-lead option for consumer, industrial, and embedded designs requiring reliable capacitance and temperature endurance.

Unique Advantages

• Low impedance at operating frequencies — 18 mΩ ESR at 100 kHz reduces voltage ripple and improves regulator stability where high-frequency performance matters.
• High AC ripple tolerance — 3.5 A ripple current rating at 300 kHz enables use directly on switching nodes and outputs with significant AC stress.
• Compact footprint — φ6.3 × 8 mm radial can minimizes board space while preserving capacitance and ripple performance.
• Wide operating temperature range — Specified for −55°C to 105°C to cover a broad range of environmental conditions.
• Predictable endurance — 2000-hour load-life rating at 105°C supports reliability planning for elevated-temperature applications.
• RoHS compliant supply — Meets regulatory requirements for lead-free processes and materials.

Why Choose RS81E101MCN1?

RS81E101MCN1 is positioned for engineers who need a compact, low-impedance capacitor with strong high-frequency ripple performance and defined endurance at elevated temperature. Its conductive polymer construction and measured ESR at 100 kHz make it a practical choice for power-supply decoupling and filtering in small form-factor designs.

This part is suitable for general-purpose electronics projects where reliable capacitance, controlled leakage, and repeatable high-frequency behavior are important. With mass-production availability and RoHS compliance, it supports consistent production planning and regulatory requirements.

If you would like pricing, availability, or a formal quotation for RS81E101MCN1, please request a quote or contact sales for assistance.