The EMI-21-X is an EMI filter from Elcom, available through Supreme Components International, an authorised distributor. EMI filters are essential components in electronic devices, designed to suppress unwanted electromagnetic interference (EMI) and radio frequency interference (RFI). These filters prevent noise from entering or exiting a device, ensuring proper operation and compliance with electromagnetic compatibility (EMC) standards. While detailed specifications for the EMI-21-X are not currently available, it is likely used in a variety of applications to improve signal quality and reduce the risk of interference with other electronic equipment. Contact us for more information on this Elcom EMI filter and other electronic components we distribute.