RL81C331MDNASQ

The RL81C331MDNASQ is a conductive polymer aluminum solid electrolytic capacitor in a low-profile radial lead can (φ8×8 mm). It delivers 330 µF nominal capacitance at a 16 V rating with a ±20% tolerance for general-purpose power and decoupling applications.

Designed for compact boards that require low ESR and high ripple capability, this Nichicon RL8-series part combines a low 12 mΩ ESR (measured at 20°C/100 kHz) with high-frequency ripple handling and long endurance for reliable operation across −55°C to 105°C.

Key Features

• Core Technology Conductive polymer aluminum solid electrolytic construction for stable capacitance and low loss in a compact form factor.
• Electrical Ratings 330 µF nominal capacitance at 16 V with a tolerance of −20% to +20% (measured at 20°C, 120 Hz).
• Low ESR & High Ripple Capability ESR of 12 mΩ at 20°C/100 kHz and rated ripple current up to 500 mA at 120 Hz (low frequency) and 5 A at 300 kHz (high frequency) for demanding switching and decoupling environments.
• Loss Characteristics Tangent of loss angle (tanδ) of 0.12 measured at 20°C/120 Hz (16 V measurement condition), supporting efficient AC performance.
• Thermal Endurance Rated for operation from −55°C to 105°C with a load life endurance up to 5000 hours at 105°C.
• Compact, Board-Ready Package Low-profile radial lead can, size φ8×8 mm with 3.5 mm lead spacing (±0.5 mm), supplied in bulk or bag packing for straightforward assembly.
• Regulatory Status RoHS compliant and available in mass production quantities as part of Nichicon’s RL8 series.

Typical Applications

• Switching Power Supplies Low ESR and high ripple current capability suit input/output filtering and energy storage in DC–DC converters and switching regulators.
• Power-Rail Decoupling High-frequency decoupling on tight power rails where low impedance at 100 kHz+ improves transient response.
• Compact, Low-Profile Electronics Space-constrained board designs benefit from the φ8×8 mm low-profile can and radial-lead form factor.
• General-Purpose Electronics Reliable capacitor choice for a wide range of consumer and industrial circuits requiring solid electrolytic performance.

Unique Advantages

• High ripple tolerance: 5 A rated ripple current at 300 kHz and 500 mA at 120 Hz enable use directly on switching nodes and high-frequency rails.
• Very low ESR: 12 mΩ at 20°C/100 kHz reduces power loss and heating in high-current applications.
• Low-profile, board-friendly package: φ8×8 mm can with 3.5 mm lead spacing fits compact layouts while keeping through-hole mounting simplicity.
• Extended thermal endurance: 5000 hours at 105°C provides predictable lifetime performance under elevated operating temperatures.
• Measured loss control: tanδ of 0.12 (20°C/120 Hz) supports efficient AC behavior and predictable dissipation.
• RoHS-compliant, production-ready: Mass-production availability and RoHS compliance ease integration into commercial manufacturing flows.

Why Choose RL81C331MDNASQ?

RL81C331MDNASQ is positioned for designs that need compact, low-profile capacitance with low ESR and strong ripple-handling capability. Its conductive polymer construction and measured parameters (330 µF, 16 V, 12 mΩ ESR at 100 kHz) make it suitable where efficient decoupling and power stability are required in limited space.

This Nichicon RL8-series part provides a balance of electrical performance and thermal endurance—operating from −55°C to 105°C with a 5000-hour rated life at 105°C—making it a reliable choice for engineers specifying durable capacitors for general-purpose power electronics.

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