RR71C331MDN1

The RR71C331MDN1 is a conductive polymer aluminum solid electrolytic capacitor in a radial-lead can, rated 330 µF at 16 V. It delivers ultra-low ESR and high ripple-current capability in a compact φ10 × 12.5 mm package with 5.0 mm lead spacing for general-purpose electronic designs.

Designed for demanding thermal and ripple environments, the device offers low loss (tanδ 0.08 @ 120 Hz, 20°C), an ESR of 7 mΩ at 100 kHz, and a rated operating range of −55°C to 105°C with a 2000-hour endurance at 105°C.

Key Features

• Core Technology – Conductive Polymer Electrolyte Solid conductive polymer construction provides stable capacitance and low equivalent series resistance compared to traditional electrolytic designs.
• Electrical Performance 330 µF capacitance with ±20% tolerance; tanδ 0.08 (120 Hz, 20°C); leakage current 792 µA (after 2 minutes at 20°C); ESR 7 mΩ measured at 20°C/100 kHz.
• High Ripple Capability Rated ripple current up to 610 mA at 120 Hz and 6.1 A at high frequency (300 kHz), supporting applications with significant AC components on the rails.
• Thermal and Endurance Ratings Operating temperature range −55°C to 105°C with a specified life/endurance of 2000 hours at 105°C under rated voltage.
• Compact Radial Package φ10 × 12.5 mm can with 5.0 mm lead spacing (±0.5 mm tolerance) in radial-lead form factor; available in bulk/bag packing with no terminal forming.
• Regulatory Compliance RoHS compliant.

Typical Applications

• General purpose electronic circuits — Provides capacitance, filtering and ripple handling where a compact, low-ESR radial capacitor is required.
• Power rail decoupling — Supports smoothing and transient suppression on low-voltage power rails within the stated voltage and temperature limits.
• High-frequency ripple environments — Useful where elevated ripple currents at kHz–100s of kHz frequencies are present, leveraging the capacitor’s low ESR and high-frequency ripple ratings.

Unique Advantages

• Low ESR (7 mΩ @100 kHz): Minimizes voltage drop and heat generation under AC ripple, improving efficiency in decoupling and smoothing tasks.
• High ripple-current capability: Rated 610 mA at 120 Hz and 6.1 A at 300 kHz, enabling reliable operation under significant AC loading.
• Wide temperature range: −55°C to 105°C operation supports deployment across a broad set of environments.
• Solid polymer reliability: Conductive polymer electrolyte offers stable electrical characteristics over the specified 2000-hour endurance at 105°C.
• Compact radial form factor: φ10 × 12.5 mm can and 5.0 mm lead spacing deliver space-efficient placement for through-hole assemblies.
• RoHS compliant: Meets lead-free directive requirements for regulatory and supply-chain conformity.

Why Choose RR71C331MDN1?

The RR71C331MDN1 combines conductive polymer chemistry, ultra-low ESR and high ripple-current handling in a compact radial-lead package, making it suitable for designers needing stable capacitance and efficient ripple suppression within a constrained footprint. Its −55°C to 105°C operating range and 2000-hour endurance at 105°C provide predictable performance in thermal-stressed designs.

This part is positioned for general-purpose electronic applications where low loss, high-frequency ripple capability and a small through-hole form factor are required. It offers a balance of electrical performance and manufacturability for procurement and integration into existing assembly flows.

If you need pricing, availability, or a formal quote for RR71C331MDN1, request a quote or contact sales to discuss lead times and order quantities.