The Neltron 5561R-XXX is a fixed resistor available through Supreme Components International, an authorised distributor of Neltron components. This resistor is designed for general-purpose applications in a wide range of electronic circuits. The 'XXX' suffix denotes specific electrical characteristics, such as resistance value, tolerance, and power rating. Engineers and hobbyists should refer to the official Neltron datasheet for precise specifications related to the specific 5561R-XXX variant they require. This resistor offers reliable performance and is suitable for prototyping, repair work, and new product development. Supreme Components International ensures authenticity and quality.