RS81C271MCN1

The RS81C271MCN1 is a conductive polymer aluminum solid electrolytic capacitor in a low-profile φ6.3×8 mm radial-can package. Designed for general-purpose electronic designs, it delivers high ripple current capability and low equivalent series resistance for compact power and decoupling applications.

With a rated capacitance of 270 µF at 16 V, a wide operating temperature range of −55 °C to 105 °C and a rated life of 2000 hours at 105 °C, this part balances performance and reliability for production designs that require stable low-ESR bulk capacitance in a small footprint.

Key Features

• Dielectric / Electrolyte Conductive polymer aluminum solid electrolyte for stable electrical performance and reduced ESR compared with traditional wet electrolytics.
• Capacitance & Voltage 270 µF nominal capacitance at 16 V with tolerance −20% to +20% (measured at 20 °C, 120 Hz).
• Low Loss / Low ESR Tangent of loss angle (tanδ) 0.1 (measured at 20 °C, 120 Hz) and ESR 15 mΩ (measured at 20 °C, 100 kHz) to support efficient high-frequency operation.
• High Ripple Current Capability Rated ripple current of 380 mA at 120 Hz (low frequency) and 3.8 A at 300 kHz (high frequency) to handle transient and switching currents; frequency dependence follows the RS8 series coefficients.
• Reliability / Lifetime Load life specified at 2000 hours at 105 °C under rated voltage, with limits on capacitance change, tanδ and ESR per the RS8 series endurance criteria.
• Package & Mounting Radial lead can, φ6.3×8 mm size, 2.5 mm lead spacing (±0.5 mm), packaged in bulk or bag packing; polarized design for through-hole mounting.
• Environmental Compliance RoHS compliant.
• Production Status Mass production availability.

Typical Applications

• General-purpose electronic circuits — Provides compact bulk capacitance and low ESR for board-level power stability in a variety of consumer and industrial devices.
• Switching power supplies and DC–DC converters — Low ESR and high ripple current ratings support filtering and decoupling at switching frequencies.
• Point-of-load decoupling — Small footprint and low loss angle help maintain stable voltage rails in densely packed assemblies.

Unique Advantages

• Low ESR at high frequency — 15 mΩ (20 °C / 100 kHz) enables improved efficiency and reduced heat generation in high-frequency circuits.
• High ripple tolerance across frequencies — 380 mA at 120 Hz and 3.8 A at 300 kHz, with frequency coefficients defined by the RS8 series, supports both low- and high-frequency ripple environments.
• Compact, low-profile package — φ6.3×8 mm radial can minimizes board area while providing substantial capacitance for space-constrained designs.
• Engineered for elevated temperature operation — Rated for −55 °C to 105 °C with a 2000-hour life rating at 105 °C, suitable for applications requiring sustained thermal endurance.
• Measured and specified under standard conditions — Key parameters (tanδ, ESR, leakage current) are specified with measurement conditions (20 °C / 120 Hz or 100 kHz) for predictable selection and validation.
• Production-ready supply — Mass production status and available bulk or bag packing support volume procurement and assembly workflows.

Why Choose RS81C271MCN1?

The RS81C271MCN1 combines conductive polymer electrolyte technology with a low-profile radial-can package to deliver 270 µF of reliable capacitance at 16 V with low ESR and strong ripple-current capability. Its electrical specifications and endurance rating make it a practical choice for designers needing compact bulk capacitance and dependable performance across a wide temperature range.

This part is suitable for engineers and procurement teams specifying components for general-purpose power management, decoupling, and point-of-load applications where low loss, high ripple capacity and production availability are key selection criteria.

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