The packaging contains BOARD STACKING CONNECTOR.There is a BOARD mounting type for the device.Further, there are features such as E.L.P.,TIGER EYE, to name only a few.
SEM-125-02-03.0-H-D Features
SEM-125-02-03.0-H-D Applications
There are a lot of Samtec Inc. SEM-125-02-03.0-H-D Rectangular Connectors applications.