No models are available for download for 2IMSM-9.4-1-9.6BW18.75S. You can still request or build the schematic symbol and PCB footprint by using the respective build or request forms on this page.
To find more CAD model downloads similar to this part, try a partial part number search, like 2IMSM,
or try a keyword search, such as RF/Microwave Isolator/Circulators