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Board to Board & Mezzanine Connectors 0.50 mm Q Strip High-Speed Ground Plane Terminal Strip
Descriptions of Samtec QTH-090-01-C-D-A provided by its distributors.
Conn Micro High Speed Terminal Strip HDR 180 POS 0.5mm Solder ST SMD
Avnet
Board to Board & Mezzanine Connectors 0.50 mm Q Strip High-Speed Ground Plane Terminal Strip
Sager Electronics
"The QTH series is a 0.50 mm (.0197"") pitch low profile
Samtec