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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 (USD) 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 Socket Strip QFSS-052-04.25-L-D-PC4 Samtec 1: $22.75 Non-Stocked Lead-Time 9 Weeks	Mfr. Part No. QFSS-052-04.25-L-D-PC4 Mouser Part No 200-QFSS0520425LDPC4	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 9 Weeks	$22.75 $21.54 $20.72 $20.20 $18.39	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 Samtec 39: $21.05 Non-Stocked Lead-Time 5 Weeks	Mfr. Part No. QFSS-052-04.25-L-D-PC8 Mouser Part No 200-QFSS0520425LDPC8	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 5 Weeks	$21.05 $19.15	Min.: 39 Mult.: 39
Board to Board & Mezzanine Connectors 0.635 mm Q2 Shielded Ground Plane Socket Strip QFSS-052-04.25-L-D-PT4 Samtec 1: $22.75 Non-Stocked Lead-Time 5 Weeks	Mfr. Part No. QFSS-052-04.25-L-D-PT4 Mouser Part No 200-QFSS0520425LDPT4	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 5 Weeks	$22.75 $21.54 $20.72 $20.20 $18.39	Min.: 1 Mult.: 1
Board to Board & Mezzanine Connectors 0.635 mm Q2(trademark) Shielded Ground Plane Socket Strip QFSS-052-04.25-L-D-PC4-FR Samtec 225: $16.63 Non-Stocked Lead-Time 9 Weeks New Product	Mfr. Part No. QFSS-052-04.25-L-D-PC4-FR Mouser Part No 200-QFSS052425LDPC4 New Product	Samtec	Board to Board & Mezzanine Connectors 0.635 mm Q2(trademark) Shielded Ground Plane Socket Strip	Datasheet	Non-Stocked Lead-Time 9 Weeks	Reel $16.63	Min.: 225 Mult.: 225 : 225
Board to Board & Mezzanine Connectors 0.635 mm Q2 Shielded Ground Plane Socket Strip QFSS-064-04.25-H-D-DP-A Samtec 26: $48.63 Non-Stocked Lead-Time 5 Weeks	Mfr. Part No. QFSS-064-04.25-H-D-DP-A Mouser Part No 200-QFSS0640425HDDPA	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 5 Weeks	$48.63 $45.24 $43.23	Min.: 26 Mult.: 26
Board to Board & Mezzanine Connectors 0.635 mm Q2 Shielded Ground Plane Socket Strip QFSS-064-04.25-L-D-DP-A-GP-P Samtec 26: $36.12 Non-Stocked Lead-Time 5 Weeks New Product	Mfr. Part No. QFSS-064-04.25-L-D-DP-A-GP-P Mouser Part No 200-QFSS0640425LDD New Product	Samtec	Board to Board & Mezzanine Connectors 0.635 mm Q2 Shielded Ground Plane Socket Strip	Datasheet	Non-Stocked Lead-Time 5 Weeks	$36.12 $35.97 $35.01	Min.: 26 Mult.: 26
Board to Board & Mezzanine Connectors 0.635 mm Q2 Shielded Ground Plane Socket Strip QFSS-064-04.25-L-D-DP Samtec 26: $30.18 Non-Stocked Lead-Time 6 Weeks	Mfr. Part No. QFSS-064-04.25-L-D-DP Mouser Part No 200-QFSS0640425LDDP	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	$30.18 $29.28 $26.64	Min.: 26 Mult.: 26
Board to Board & Mezzanine Connectors 0.635 mm Q2 Shielded Ground Plane Socket Strip QFSS-064-04.25-L-D-DP-A Samtec 1: $32.63 Non-Stocked Lead-Time 2 Weeks	Mfr. Part No. QFSS-064-04.25-L-D-DP-A Mouser Part No 200-QFSS0640425LDDPA	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 2 Weeks	$32.63 $30.03 $29.28 $26.64	Min.: 1 Mult.: 1
Board to Board & Mezzanine Connectors 0.635 mm Q2 Shielded Ground Plane Socket Strip QFSS-078-04.25-H-D-A-P Samtec 26: $51.86 Non-Stocked Lead-Time 9 Weeks New Product	Mfr. Part No. QFSS-078-04.25-H-D-A-P Mouser Part No 200-QFSS07804.25HDAP New Product	Samtec	Board to Board & Mezzanine Connectors 0.635 mm Q2 Shielded Ground Plane Socket Strip	Datasheet	Non-Stocked Lead-Time 9 Weeks	$51.86 $51.85 Quote Quote	Min.: 26 Mult.: 26
Board to Board & Mezzanine Connectors 0.635 mm Q2 Shielded Ground Plane Socket Strip QFSS-078-04.25-H-D-A Samtec 26: $38.26 Non-Stocked Lead-Time 8 Weeks	Mfr. Part No. QFSS-078-04.25-H-D-A Mouser Part No 200-QFSS0780425HDA	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	$38.26 $34.81	Min.: 26 Mult.: 26
Board to Board & Mezzanine Connectors 0.635 mm Q2 Shielded Ground Plane Socket Strip QFSS-078-04.25-H-D-A-GP Samtec 26: $44.11 Non-Stocked Lead-Time 8 Weeks	Mfr. Part No. QFSS-078-04.25-H-D-A-GP Mouser Part No 200-QFSS0780425HDAGP	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	$44.11 $43.98 $40.02	Min.: 26 Mult.: 26
Board to Board & Mezzanine Connectors 0.635 mm Q2 Shielded Ground Plane Socket Strip QFSS-078-04.25-H-D-GP Samtec 26: $45.03 Non-Stocked Lead-Time 10 Weeks	Mfr. Part No. QFSS-078-04.25-H-D-GP Mouser Part No 200-QFSS0780425HDGP	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 10 Weeks	$45.03 $43.98 $40.02	Min.: 26 Mult.: 26
Board to Board & Mezzanine Connectors 0.635 mm Q2 Shielded Ground Plane Socket Strip QFSS-078-04.25-H-D-PC4 Samtec 26: $46.16 Non-Stocked Lead-Time 5 Weeks	Mfr. Part No. QFSS-078-04.25-H-D-PC4 Mouser Part No 200-QFSS0780425HDPC4	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 5 Weeks	$46.16 $45.90 $41.77	Min.: 26 Mult.: 26
Board to Board & Mezzanine Connectors 0.635 mm Q2 Shielded Ground Plane Socket Strip QFSS-078-04.25-L-D Samtec 1: $26.48 Non-Stocked Lead-Time 8 Weeks	Mfr. Part No. QFSS-078-04.25-L-D Mouser Part No 200-QFSS0780425LD	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	$26.48 $25.04 $24.68 $23.59 $21.46	Min.: 1 Mult.: 1
Board to Board & Mezzanine Connectors 0.635 mm Q2 Shielded Ground Plane Socket Strip QFSS-078-04.25-L-D-A-P Samtec 1: $30.19 Non-Stocked Lead-Time 8 Weeks	Mfr. Part No. QFSS-078-04.25-L-D-A-P Mouser Part No 200-QFSS0780425LDAP	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	$30.19 $27.85 $27.03 $24.60	Min.: 1 Mult.: 1
Board to Board & Mezzanine Connectors 0.635 mm Q2 Shielded Ground Plane Socket Strip QFSS-078-04.25-L-D-A-FR Samtec 175: $21.04 Non-Stocked Lead-Time 2 Weeks	Mfr. Part No. QFSS-078-04.25-L-D-A-FR Mouser Part No 200-QFSS0780425LDAR	Samtec	Board to Board & Mezzanine Connectors 0.635 mm Q2 Shielded Ground Plane Socket Strip	Datasheet	Non-Stocked Lead-Time 2 Weeks	Reel $21.04 $20.46 Quote Quote	Min.: 175 Mult.: 175 : 175
Board to Board & Mezzanine Connectors 0.635 mm Q2 Shielded Ground Plane Socket Strip QFSS-078-04.25-L-D-A-TR Samtec 175: $21.04 Non-Stocked Lead-Time 10 Weeks	Mfr. Part No. QFSS-078-04.25-L-D-A-TR Mouser Part No 200-QFSS0780425LDATR	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 10 Weeks	Reel $21.04 $19.14	Min.: 175 Mult.: 175 : 175
Board to Board & Mezzanine Connectors 0.635 mm Q2 Shielded Ground Plane Socket Strip QFSS-078-04.25-L-D-PC4 Samtec 26: $29.37 Non-Stocked Lead-Time 8 Weeks	Mfr. Part No. QFSS-078-04.25-L-D-PC4 Mouser Part No 200-QFSS0780425LDPC4	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	$29.37 $28.30 $25.75	Min.: 26 Mult.: 26
Board to Board & Mezzanine Connectors 0.635 mm Q2 Shielded Ground Plane Socket Strip QFSS-078-04.25-L-D-PC8 Samtec 26: $30.37 Non-Stocked Lead-Time 5 Weeks	Mfr. Part No. QFSS-078-04.25-L-D-PC8 Mouser Part No 200-QFSS0780425LDPC8	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 5 Weeks	$30.37 $29.47 $26.82	Min.: 26 Mult.: 26
Board to Board & Mezzanine Connectors 0.635 mm Q2 Shielded Ground Plane Socket Strip QFSS-078-04.25-L-D-PT4 Samtec 26: $29.61 Non-Stocked Lead-Time 5 Weeks	Mfr. Part No. QFSS-078-04.25-L-D-PT4 Mouser Part No 200-QFSS0780425LDPT4	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 5 Weeks	$29.61 $28.30 $25.75	Min.: 26 Mult.: 26
Board to Board & Mezzanine Connectors 0.635 mm Q2 Shielded Ground Plane Socket Strip QFSS-104-04.25-L-D Samtec 26: $29.89 Non-Stocked Lead-Time 6 Weeks	Mfr. Part No. QFSS-104-04.25-L-D Mouser Part No 200-QFSS10404.25LD	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	$29.89 $29.18 $26.56	Min.: 26 Mult.: 26
Board to Board & Mezzanine Connectors 0.635 mm Q2 Shielded Ground Plane Socket Strip QFSS-104-04.25-H-D-A Samtec 26: $47.36 Non-Stocked Lead-Time 5 Weeks	Mfr. Part No. QFSS-104-04.25-H-D-A Mouser Part No 200-QFSS1040425HDA	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 5 Weeks	$47.36 $43.09	Min.: 26 Mult.: 26
Board to Board & Mezzanine Connectors 0.635 mm Q2 Shielded Ground Plane Socket Strip QFSS-104-04.25-L-D-A Samtec 26: $29.18 Non-Stocked Lead-Time 7 Weeks	Mfr. Part No. QFSS-104-04.25-L-D-A Mouser Part No 200-QFSS1040425LDA	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 7 Weeks	$29.18 $26.56	Min.: 26 Mult.: 26
Board to Board & Mezzanine Connectors 0.635 mm Q2(trademark) Shielded Ground Plane Socket Strip QFSS-104-04.25-L-D-A-BM-GP-P Samtec 26: $36.16 Non-Stocked Lead-Time 5 Weeks New Product	Mfr. Part No. QFSS-104-04.25-L-D-A-BM-GP-P Mouser Part No 200-QFSS1040425LDABM New Product	Samtec	Board to Board & Mezzanine Connectors 0.635 mm Q2(trademark) Shielded Ground Plane Socket Strip	Datasheet	Non-Stocked Lead-Time 5 Weeks	$36.16 $35.94	Min.: 26 Mult.: 26
Board to Board & Mezzanine Connectors 0.635 mm Q2 Shielded Ground Plane Socket Strip QFSS-104-04.25-L-D-A-GP Samtec 26: $33.89 Non-Stocked Lead-Time 5 Weeks	Mfr. Part No. QFSS-104-04.25-L-D-A-GP Mouser Part No 200-QFSS1040425LDAGP	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 5 Weeks	$33.89 $33.59 $30.55	Min.: 26 Mult.: 26

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