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Q2™ Shielded Ground Plane Connectors

Samtec Q2™ Shielded Ground Plane Connectors are rugged, high-speed, 0.635mm pitch, ground plane sockets and headers with a 19Gbps to 35Gbps performance range. The board-to-board Q2™ Shielded Connectors include the QFSS and QMSS series components that are available in multiple orientations, stack heights, positions, and with power/RF end options. These connectors are also available as a differential pair and/or power combo and meet the PCI/104-Express™ standard specifications.

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Image	Part #	Mfr.	Description	Datasheet	Availability	Pricing (DKK) Filter the results in the table by unit price based on your quantity.	Qty.
Board to Board & Mezzanine Connectors 0.635 mm Q2 Shielded Ground Plane Terminal Strip QMSS-016-06.75-L-D-DP-PC4 Samtec 1: 106,16 kr. 2In Stock 280Expected 09/11/2026	Mfr. Part No. QMSS-016-06.75-L-D-DP-PC4 Mouser Part No 200-QMSS01606.75LDDP	Samtec	Board to Board & Mezzanine Connectors 0.635 mm Q2 Shielded Ground Plane Terminal Strip Learn More about Samtec q2 shielded b2b connectors	Datasheet	2In Stock 280Expected 09/11/2026	106,16 kr. 101,31 kr. 95,86 kr. 87,21 kr.	Min.: 1 Mult.: 1
Board to Board & Mezzanine Connectors 0.635 mm Q2 Shielded Ground Plane Terminal Strip QMSS-016-06.75-L-D-DP-A Samtec 1: 99,59 kr. 62In Stock	Mfr. Part No. QMSS-016-06.75-L-D-DP-A Mouser Part No 200-QMSS0160675LDDPA	Samtec	Board to Board & Mezzanine Connectors 0.635 mm Q2 Shielded Ground Plane Terminal Strip Learn More about Samtec q2 shielded b2b connectors	Datasheet	62In Stock	99,59 kr. 90,49 kr. 82,36 kr.	Min.: 1 Mult.: 1
Board to Board & Mezzanine Connectors 0.635 mm Q2 Shielded Ground Plane Terminal Strip QMSS-026-06.75-L-D-A-K Samtec 1: 103,40 kr. 1In Stock	Mfr. Part No. QMSS-026-06.75-L-D-A-K Mouser Part No 200-QMSS0260675LDAK	Samtec	Board to Board & Mezzanine Connectors 0.635 mm Q2 Shielded Ground Plane Terminal Strip Learn More about Samtec q2 shielded b2b connectors	Datasheet	1In Stock	103,40 kr. 91,31 kr. 83,03 kr.	Min.: 1 Mult.: 1
Board to Board & Mezzanine Connectors 0.635 mm Q2 Shielded Ground Plane Terminal Strip QMSS-026-06.75-L-D-PC4 Samtec 1: 126,75 kr. 15In Stock 56Expected 08/02/2027	Mfr. Part No. QMSS-026-06.75-L-D-PC4 Mouser Part No 200-QMSS0260675LDPC4	Samtec	Board to Board & Mezzanine Connectors 0.635 mm Q2 Shielded Ground Plane Terminal Strip Learn More about Samtec q2 shielded b2b connectors	Datasheet	15In Stock 56Expected 08/02/2027	126,75 kr. 108,32 kr. 98,55 kr.	Min.: 1 Mult.: 1
Board to Board & Mezzanine Connectors 0.635 mm Q2 Shielded Ground Plane Terminal Strip QMSS-032-06.75-L-D-DP-A Samtec 1: 129,28 kr. 35In Stock	Mfr. Part No. QMSS-032-06.75-L-D-DP-A Mouser Part No 200-QMSS0320675LDDPA	Samtec	Board to Board & Mezzanine Connectors 0.635 mm Q2 Shielded Ground Plane Terminal Strip Learn More about Samtec q2 shielded b2b connectors	Datasheet	35In Stock	129,28 kr. 117,64 kr.	Min.: 1 Mult.: 1
Board to Board & Mezzanine Connectors 0.635MM Q2 HS SHIELDED GP HDR QMSS-052-06.75-L-D-A Samtec 1: 137,71 kr. 70In Stock	Mfr. Part No. QMSS-052-06.75-L-D-A Mouser Part No 200-QMSS05206.75LDA	Samtec	Board to Board & Mezzanine Connectors 0.635MM Q2 HS SHIELDED GP HDR Learn More about Samtec q2 shielded b2b connectors	Datasheet	70In Stock	137,71 kr. 128,91 kr. 117,27 kr.	Min.: 1 Mult.: 1
Board to Board & Mezzanine Connectors 0.635 mm Q2 Shielded Ground Plane Terminal Strip QMSS-052-06.75-L-D-PC4 Samtec 1: 177,03 kr. 2In Stock	Mfr. Part No. QMSS-052-06.75-L-D-PC4 Mouser Part No 200-QMSS0520675LDPC4	Samtec	Board to Board & Mezzanine Connectors 0.635 mm Q2 Shielded Ground Plane Terminal Strip Learn More about Samtec q2 shielded b2b connectors	Datasheet	2In Stock	177,03 kr. 154,65 kr. 140,70 kr.	Min.: 1 Mult.: 1
Headers & Wire Housings 0.635 mm Q2 High-Speed Rugged Ground Plane Socket Strip QFS-052-04.25-H-D-A Samtec 1: 164,72 kr. 52In Stock	Mfr. Part No. QFS-052-04.25-H-D-A Mouser Part No 200-QFS0520425HDA	Samtec	Headers & Wire Housings 0.635 mm Q2 High-Speed Rugged Ground Plane Socket Strip Learn More about Samtec q2 shielded b2b connectors	Datasheet	52In Stock	164,72 kr. 162,48 kr. 147,93 kr.	Min.: 1 Mult.: 1
Board to Board & Mezzanine Connectors 0.635 mm Q2 Shielded Ground Plane Terminal Strip QMSS-026-06.75-L-D-A Samtec 1: 102,43 kr. 4In Stock	Mfr. Part No. QMSS-026-06.75-L-D-A Mouser Part No 200-QMSS02606.75LDA	Samtec	Board to Board & Mezzanine Connectors 0.635 mm Q2 Shielded Ground Plane Terminal Strip Learn More about Samtec q2 shielded b2b connectors	Datasheet	4In Stock	102,43 kr. 90,27 kr. 82,06 kr.	Min.: 1 Mult.: 1
Board to Board & Mezzanine Connectors 0.635 mm Q2 Shielded Ground Plane Socket Strip QFSS-026-04.25-L-D-PT4 Samtec 1: 102,13 kr. 41In Stock	Mfr. Part No. QFSS-026-04.25-L-D-PT4 Mouser Part No 200-QFSS0260425LDPT4	Samtec	Board to Board & Mezzanine Connectors 0.635 mm Q2 Shielded Ground Plane Socket Strip Learn More about Samtec q2 shielded b2b connectors	Datasheet	41In Stock	102,13 kr. 96,68 kr. 90,79 kr. 82,51 kr.	Min.: 1 Mult.: 1
Headers & Wire Housings 0.635 mm Q2 High-Speed Rugged Ground Plane Socket Strip QFS-078-04.25-L-D-PT4 Samtec 1: 145,92 kr. 104Expected 16/11/2026	Mfr. Part No. QFS-078-04.25-L-D-PT4 Mouser Part No 200-QFS07804.25LDPT4	Samtec	Headers & Wire Housings 0.635 mm Q2 High-Speed Rugged Ground Plane Socket Strip Learn More about Samtec q2 shielded b2b connectors	Datasheet	104Expected 16/11/2026	145,92 kr. 133,68 kr. 121,60 kr.	Min.: 1 Mult.: 1
Board to Board & Mezzanine Connectors 0.635 mm Q2 Shielded Ground Plane Socket Strip QFSS-026-04.25-L-D-A Samtec 1: 98,40 kr. 104Expected 14/12/2026	Mfr. Part No. QFSS-026-04.25-L-D-A Mouser Part No 200-QFSS02604.25LDA	Samtec	Board to Board & Mezzanine Connectors 0.635 mm Q2 Shielded Ground Plane Socket Strip Learn More about Samtec q2 shielded b2b connectors	Datasheet	104Expected 14/12/2026	98,40 kr. 85,72 kr. 77,96 kr.	Min.: 1 Mult.: 1
Board to Board & Mezzanine Connectors 0.635 mm Q2 Shielded Ground Plane Socket Strip QFSS-048-04.25-L-D-DP-A Samtec 1: 167,78 kr. 6Expected 30/11/2026	Mfr. Part No. QFSS-048-04.25-L-D-DP-A Mouser Part No 200-QFSS0480425LDDPA	Samtec	Board to Board & Mezzanine Connectors 0.635 mm Q2 Shielded Ground Plane Socket Strip Learn More about Samtec q2 shielded b2b connectors	Datasheet	6Expected 30/11/2026	167,78 kr. 157,63 kr. 151,81 kr. 138,08 kr.	Min.: 1 Mult.: 1
Board to Board & Mezzanine Connectors 0.635 mm Q2 Shielded Ground Plane Socket Strip QFSS-026-04.25-L-D-A-GP-P-TR Samtec 150: 116,90 kr. Non-Stocked Lead-Time 9 Weeks	Mfr. Part No. QFSS-026-04.25-L-D-A-GP-P-TR Mouser Part No 200-FSS0260425LDAGP	Samtec	Board to Board & Mezzanine Connectors 0.635 mm Q2 Shielded Ground Plane Socket Strip	Datasheet	Non-Stocked Lead-Time 9 Weeks	Reel 116,90 kr. Quote Quote	Min.: 150 Mult.: 150 : 150
Board to Board & Mezzanine Connectors 0.635 mm Q2 Shielded Ground Plane Socket Strip QFSS-026-04.25-L-D-BM-GP Samtec 52: 89,59 kr. Non-Stocked Lead-Time 9 Weeks	Mfr. Part No. QFSS-026-04.25-L-D-BM-GP Mouser Part No 200-FSS0260425LDBMGP	Samtec	Board to Board & Mezzanine Connectors 0.635 mm Q2 Shielded Ground Plane Socket Strip	Datasheet	Non-Stocked Lead-Time 9 Weeks	89,59 kr. 81,46 kr.	Min.: 52 Mult.: 52
Board to Board & Mezzanine Connectors 0.635 mm Q2 Shielded Ground Plane Socket Strip QFSS-026-04.25-L-D-PC4-P-FR Samtec 150: 82,73 kr. Non-Stocked Lead-Time 8 Weeks	Mfr. Part No. QFSS-026-04.25-L-D-PC4-P-FR Mouser Part No 200-FSS0260425LDPC4	Samtec	Board to Board & Mezzanine Connectors 0.635 mm Q2 Shielded Ground Plane Socket Strip	Datasheet	Non-Stocked Lead-Time 8 Weeks	Reel 82,73 kr. 82,66 kr. 82,58 kr.	Min.: 150 Mult.: 150 : 150
Board to Board & Mezzanine Connectors 0.635 mm Q2 Shielded Ground Plane Socket Strip QFSS-026-04.25-L-D-PC4-P Samtec 52: 104,81 kr. Non-Stocked Lead-Time 8 Weeks	Mfr. Part No. QFSS-026-04.25-L-D-PC4-P Mouser Part No 200-FSS0260425LDPC4P	Samtec	Board to Board & Mezzanine Connectors 0.635 mm Q2 Shielded Ground Plane Socket Strip Learn More about Samtec q2 shielded b2b connectors	Datasheet	Non-Stocked Lead-Time 8 Weeks	104,81 kr. 96,23 kr. 95,34 kr.	Min.: 52 Mult.: 52
Board to Board & Mezzanine Connectors 0.635 mm Q2 Shielded Ground Plane Socket Strip QFSS-032-04.25-L-D-DP-A-P Samtec 52: 124,81 kr. Non-Stocked Lead-Time 8 Weeks	Mfr. Part No. QFSS-032-04.25-L-D-DP-A-P Mouser Part No 200-FSS0320425LDDPAP	Samtec	Board to Board & Mezzanine Connectors 0.635 mm Q2 Shielded Ground Plane Socket Strip Learn More about Samtec q2 shielded b2b connectors	Datasheet	Non-Stocked Lead-Time 8 Weeks	124,81 kr. 113,99 kr. 113,54 kr.	Min.: 52 Mult.: 52
Board to Board & Mezzanine Connectors 0.635 mm Q2 Shielded Ground Plane Socket Strip QFSS-032-04.25-L-D-DP-A-FR Samtec 175: 96,83 kr. Non-Stocked Lead-Time 6 Weeks	Mfr. Part No. QFSS-032-04.25-L-D-DP-A-FR Mouser Part No 200-FSS0320425LDDPAR	Samtec	Board to Board & Mezzanine Connectors 0.635 mm Q2 Shielded Ground Plane Socket Strip	Datasheet	Non-Stocked Lead-Time 6 Weeks	Reel 96,83 kr. 88,03 kr.	Min.: 175 Mult.: 175 : 175
Board to Board & Mezzanine Connectors 0.635 mm Q2 Shielded Ground Plane Socket Strip QFSS-048-04.25-L-D-DP-A-P-FR Samtec 150: 136,89 kr. Non-Stocked Lead-Time 8 Weeks	Mfr. Part No. QFSS-048-04.25-L-D-DP-A-P-FR Mouser Part No 200-FSS0480425LDDPA	Samtec	Board to Board & Mezzanine Connectors 0.635 mm Q2 Shielded Ground Plane Socket Strip	Datasheet	Non-Stocked Lead-Time 8 Weeks	Reel 136,89 kr. 133,09 kr. Quote Quote	Min.: 150 Mult.: 150 : 150
Board to Board & Mezzanine Connectors 0.635 mm Q2 Shielded Ground Plane Socket Strip QFSS-048-04.25-L-D-DP-A-P Samtec 1: 208,06 kr. Non-Stocked Lead-Time 6 Weeks	Mfr. Part No. QFSS-048-04.25-L-D-DP-A-P Mouser Part No 200-FSS0480425LDDPAP	Samtec	Board to Board & Mezzanine Connectors 0.635 mm Q2 Shielded Ground Plane Socket Strip Learn More about Samtec q2 shielded b2b connectors	Datasheet	Non-Stocked Lead-Time 6 Weeks	208,06 kr. 179,56 kr. 173,89 kr. 158,30 kr.	Min.: 1 Mult.: 1
Board to Board & Mezzanine Connectors 0.635 mm Q2 Shielded Ground Plane Socket Strip QFSS-052-04.25-H-D-A-BM-P Samtec 52: 197,39 kr. Non-Stocked Lead-Time 8 Weeks	Mfr. Part No. QFSS-052-04.25-H-D-A-BM-P Mouser Part No 200-FSS0520425HDABMP	Samtec	Board to Board & Mezzanine Connectors 0.635 mm Q2 Shielded Ground Plane Socket Strip	Datasheet	Non-Stocked Lead-Time 8 Weeks	197,39 kr. 185,83 kr. View Quote	Min.: 52 Mult.: 52
Board to Board & Mezzanine Connectors 0.635 mm Q2 Shielded Ground Plane Socket Strip QFSS-052-04.25-L-D-A-P-TR Samtec 150: 98,02 kr. Non-Stocked Lead-Time 6 Weeks	Mfr. Part No. QFSS-052-04.25-L-D-A-P-TR Mouser Part No 200-FSS0520425LDAPTR	Samtec	Board to Board & Mezzanine Connectors 0.635 mm Q2 Shielded Ground Plane Socket Strip Learn More about Samtec q2 shielded b2b connectors	Datasheet	Non-Stocked Lead-Time 6 Weeks	Reel 98,02 kr. 89,22 kr.	Min.: 150 Mult.: 150 : 150
Board to Board & Mezzanine Connectors 0.635 mm Q2 Shielded Ground Plane Socket Strip QFSS-052-04.25-L-D-PC4-P Samtec 1: 166,36 kr. Non-Stocked Lead-Time 6 Weeks	Mfr. Part No. QFSS-052-04.25-L-D-PC4-P Mouser Part No 200-FSS0520425LDPC4P	Samtec	Board to Board & Mezzanine Connectors 0.635 mm Q2 Shielded Ground Plane Socket Strip Learn More about Samtec q2 shielded b2b connectors	Datasheet	Non-Stocked Lead-Time 6 Weeks	166,36 kr. 166,28 kr. 157,78 kr. 151,44 kr. View 137,34 kr. 135,47 kr.	Min.: 1 Mult.: 1
Board to Board & Mezzanine Connectors 0.635 mm Q2 Shielded Ground Plane Socket Strip QFSS-052-04.25-L-D-PC8-P-TR Samtec 150: 129,28 kr. Non-Stocked Lead-Time 6 Weeks	Mfr. Part No. QFSS-052-04.25-L-D-PC8-P-TR Mouser Part No 200-FSS0520425LDPC8	Samtec	Board to Board & Mezzanine Connectors 0.635 mm Q2 Shielded Ground Plane Socket Strip	Datasheet	Non-Stocked Lead-Time 6 Weeks	Reel 129,28 kr.	Min.: 150 Mult.: 150 : 150

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Q2™ Shielded Ground Plane Connectors

Types of Connectors