RL81C221MDN1KX: Features, Specs & More
In modern electronic designs where power stability and thermal reliability are critical, aluminum polymer capacitors have become a preferred solution.The Nichicon RL81C221MDN1KX stands out as a compact, ultra-low ESR capacitor engineered for demanding power applications. In this comprehensive article, we'll delve into the intricacies of the RL81C221MDN1KX, uncovering its definition, key features, specifications, applications, and a closer look at its manufacturer.
Catalog
RL81C221MDN1KX's Overview
The Nichicon RL81C221MDN1KX is a polarized aluminum polymer capacitor with a capacitance of 220µF and a rated voltage of 16VDC. It uses conductive polymer electrolyte technology to achieve significantly lower ESR compared to conventional liquid electrolytic capacitors. This construction enhances frequency response, thermal stability, and long-term reliability.
Key Features
Let's delve into the standout features that make the RL81C221MDN1KX a standout in the world of electronics:
· It features an ultra-low equivalent series resistance of 0.012 ohms.
· It supports a high ripple current rating of 5 amperes.
· It operates reliably at temperatures up to 105 degrees Celsius.
· It uses a solid polymer electrolyte for improved electrical stability.
· It offers long operational life rated at 2000 hours.
· It maintains consistent performance across a wide temperature range.
· It is optimized for low-impedance power delivery applications.
Specifications
Now, let's take a closer look at the technical specifications that define the capabilities of the RL81C221MDN1KX:
Type | Parameter |
Type | Polymer |
Capacitance Value | 220uF |
Tolerance | 20% |
Voltage | 16VDC |
ESR (Ohm) | 0.012 |
Equivalent Series Resistance Type | Ultra Low |
IR (mA) | 5 |
IL (uA) | 704@2Min |
Lifetime (H) | 2000 |
Polarity | Polar |
Construction | Aluminum Cylindrical Can |
Mounting | Through Hole |
Termination Style | Radial |
Terminal Pitch (mm) | 3.5 |
Number of Terminals | 2 |
Wire Form | Long Lead |
Size (mm) | 8 X 8 |
Minimum Operating Temperature (°C) | -55 |
Maximum Operating Temperature (°C) | 105 |
Packaging | Tape and Reel |
Lead Diameter (mm) | 0.6 |
Product Diameter (mm) | 8 |
Product Height (mm) | 8 |
Applications
The Nichicon RL81C221MDN1KX is commonly used in DC-DC converters for output voltage smoothing.
· It is widely applied in power supply filtering for industrial electronics.
· It is suitable for motherboards and graphics cards requiring low ESR capacitors.
· It is used in telecom and networking equipment for stable power delivery.
· It supports automotive and embedded systems operating in elevated temperature environments.
· It performs well in LED drivers and inverter circuits with high ripple current demands.
RL81C221MDN1KX's Manufacturer
Nichicon Corporation is a manufacturer of capacitors of various types, and is one of the largest manufacturers of capacitors in the world. In 1950, it separated from the Nii Works Co., established itself as Kansai-Nii Works and completed its first factory by 1956. Since its founding in 1950, Nichicon has constantly been involved in the development, production and sales of capacitors and circuit products that are essential for many types of electric and electronic products. Currently, they are developing circuit products and complex parts. They are running three core businesses: aluminum electrolytic capacitors, film capacitors and circuit products.
Conclusion
The Nichicon RL81C221MDN1KX stands out as a compact, high-reliability aluminum polymer capacitor engineered for modern power electronics. Its ultra-low ESR, strong ripple current handling, and wide operating temperature range make it a solid choice for demanding applications. For engineers seeking stable performance and long-term durability in space-efficient designs, this capacitor offers a well-balanced and proven solution.
