The 5581R-XXX-XX, manufactured by NELTRON, falls under the UNKNOWN product category. As an authorised distributor of NELTRON components, Supreme Components International guarantees the authenticity and quality of this part. While the specific subcategory and detailed specifications are currently UNKNOWN, this component is crucial for various electronic applications. We are committed to providing our customers with reliable and genuine electronic components. Please reach out to our sales team for detailed product information, datasheets, and competitive pricing. Trust Supreme Components International for all your NELTRON component needs.