This product is packaged in a BOARD CONNECTOR carton.BOARD is the mounting type for the device.In addition, there are other features, such as ELP; LOW PROFILE, to mention just a few.
TMM-140-04-L-S-SM Features
TMM-140-04-L-S-SM Applications
There are a lot of Samtec Inc. TMM-140-04-L-S-SM Rectangular Connectors applications.