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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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Part #

Board to Board & Mezzanine Connectors 0.635 mm Q2 Shielded Ground Plane Socket Strip

QFSS-026-04.25-H-D-A
Samtec
1: €19.03
2In Stock

Mfr. Part No.
QFSS-026-04.25-H-D-A

Mouser Part No
200-QFSS0260425HDA

Samtec

Board to Board & Mezzanine Connectors 0.635 mm Q2 Shielded Ground Plane Socket Strip

Datasheet

2In Stock

€19.03

€18.03

€16.99

€15.35

€14.96

Min.: 1
Mult.: 1

Board to Board & Mezzanine Connectors 0.635 mm Q2 Shielded Ground Plane Socket Strip

QFSS-052-04.25-H-D-PC4
Samtec
1: €32.63
22In Stock

Mfr. Part No.
QFSS-052-04.25-H-D-PC4

Mouser Part No
200-QFSS0520425HDPC4

Samtec

Board to Board & Mezzanine Connectors 0.635 mm Q2 Shielded Ground Plane Socket Strip

Datasheet

22In Stock

€32.63

€30.89

€29.12

€26.31

€25.65

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-PC4
Samtec
1: €14.87
24Expected 17/08/2026

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

Datasheet

24Expected 17/08/2026

€14.87

€14.08

€13.68

€12.85

€11.69

Min.: 1
Mult.: 1

Board to Board & Mezzanine Connectors 0.635 mm Q2 Shielded Ground Plane Socket Strip

QFSS-026-04.25-H-D-A-P-TR
Samtec
150: €14.92
Non-Stocked Lead-Time 3 Weeks

Mfr. Part No.
QFSS-026-04.25-H-D-A-P-TR

Mouser Part No
200-FSS0260425HDAPTR

Samtec

Board to Board & Mezzanine Connectors 0.635 mm Q2 Shielded Ground Plane Socket Strip

Datasheet

Non-Stocked Lead-Time 3 Weeks

Reel

€14.92

€13.96

View

Min.: 150
Mult.: 150

: 150

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: €16.73
Non-Stocked Lead-Time 2 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

Datasheet

Non-Stocked Lead-Time 2 Weeks

€16.73

€15.22

Min.: 52
Mult.: 52

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: €25.46
Non-Stocked Lead-Time 2 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

Datasheet

Non-Stocked Lead-Time 2 Weeks

€25.46

€23.88

€23.31

€21.22

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-P-TR
Samtec
150: €21.19
Non-Stocked Lead-Time 7 Weeks

Mfr. Part No.
QFSS-052-04.25-H-D-A-P-TR

Mouser Part No
200-FSS0520425HDAPTR

Samtec

Board to Board & Mezzanine Connectors 0.635 mm Q2 Shielded Ground Plane Socket Strip

Datasheet

Non-Stocked Lead-Time 7 Weeks

Reel

€21.19

€19.79

View

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: €21.11
Non-Stocked Lead-Time 2 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

Datasheet

Non-Stocked Lead-Time 2 Weeks

€21.11

€21.10

€20.71

€20.18

View

Min.: 1
Mult.: 1

Board to Board & Mezzanine Connectors 0.635 mm Q2 Shielded Ground Plane Socket Strip

QFSS-064-04.25-L-D-DP-GP
Samtec
26: €29.90
Non-Stocked Lead-Time 3 Weeks

Mfr. Part No.
QFSS-064-04.25-L-D-DP-GP

Mouser Part No
200-FSS0640425LDDPGP

Samtec

Board to Board & Mezzanine Connectors 0.635 mm Q2 Shielded Ground Plane Socket Strip

Datasheet

Non-Stocked Lead-Time 3 Weeks

€29.90

€28.96

€27.17

€27.16

Quote

Min.: 26
Mult.: 26

Board to Board & Mezzanine Connectors 0.635 mm Q2 Shielded Ground Plane Socket Strip

QFSS-078-04.25-L-D-A-P-TR
Samtec
1: €23.79
Non-Stocked Lead-Time 5 Weeks

Mfr. Part No.
QFSS-078-04.25-L-D-A-P-TR

Mouser Part No
200-FSS0780425LDAPTR

Samtec

Board to Board & Mezzanine Connectors 0.635 mm Q2 Shielded Ground Plane Socket Strip

Datasheet

Non-Stocked Lead-Time 5 Weeks

Cut Tape

€23.79

€22.52

€21.34

€19.80

Reel

€18.30

View

Min.: 1
Mult.: 1

: 150

Board to Board & Mezzanine Connectors 0.635 mm Q2 Shielded Ground Plane Socket Strip

QFSS-104-04.25-L-D-A-GP-P
Samtec
26: €30.02
Non-Stocked Lead-Time 3 Weeks

Mfr. Part No.
QFSS-104-04.25-L-D-A-GP-P

Mouser Part No
200-FSS1040425LDAGPP

Samtec

Board to Board & Mezzanine Connectors 0.635 mm Q2 Shielded Ground Plane Socket Strip

Datasheet

Non-Stocked Lead-Time 3 Weeks

€30.02

€29.07

€27.28

€27.27

Quote

Min.: 26
Mult.: 26

Board to Board & Mezzanine Connectors 0.635 mm Q2 Shielded Ground Plane Terminal Strip

QMSS-026-01-H-D-EM2-PC4
Samtec
52: €28.18
Non-Stocked Lead-Time 2 Weeks

Mfr. Part No.
QMSS-026-01-H-D-EM2-PC4

Mouser Part No
200-MSS02601HDEM2PC4

Samtec

Board to Board & Mezzanine Connectors 0.635 mm Q2 Shielded Ground Plane Terminal Strip

Datasheet

Non-Stocked Lead-Time 2 Weeks

€28.18

Min.: 52
Mult.: 52

Board to Board & Mezzanine Connectors 0.635 mm Q2 Shielded Ground Plane Terminal Strip

QMSS-026-06.75-H-D-A-K-TR
Samtec
325: €13.54
Non-Stocked Lead-Time 5 Weeks

Mfr. Part No.
QMSS-026-06.75-H-D-A-K-TR

Mouser Part No
200-MSS0260675HDAKTR

Samtec

Board to Board & Mezzanine Connectors 0.635 mm Q2 Shielded Ground Plane Terminal Strip

Datasheet

Non-Stocked Lead-Time 5 Weeks

Reel

€13.54

Min.: 325
Mult.: 325

: 325

Board to Board & Mezzanine Connectors 0.635 mm Q2 Shielded Ground Plane Terminal Strip

QMSS-026-06.75-L-D-A-K-TR
Samtec
325: €8.42
Non-Stocked Lead-Time 8 Weeks

Mfr. Part No.
QMSS-026-06.75-L-D-A-K-TR

Mouser Part No
200-MSS0260675LDAKTR

Samtec

Board to Board & Mezzanine Connectors 0.635 mm Q2 Shielded Ground Plane Terminal Strip

Datasheet

Non-Stocked Lead-Time 8 Weeks

Reel

€8.42

Min.: 325
Mult.: 325

: 325

Board to Board & Mezzanine Connectors 0.635 mm Q2 Shielded Ground Plane Terminal Strip

QMSS-048-06.75-L-D-DP-A-K
Samtec
28: €24.41
Non-Stocked Lead-Time 7 Weeks

Mfr. Part No.
QMSS-048-06.75-L-D-DP-A-K

Mouser Part No
200-MSS0480675LDDPAK

Samtec

Board to Board & Mezzanine Connectors 0.635 mm Q2 Shielded Ground Plane Terminal Strip

Datasheet

Non-Stocked Lead-Time 7 Weeks

€24.41

Min.: 28
Mult.: 28

Board to Board & Mezzanine Connectors 0.635 mm Q2 Shielded Ground Plane Terminal Strip

QMSS-052-01-H-D-EM2-PC4
Samtec
26: €36.69
Non-Stocked Lead-Time 3 Weeks

Mfr. Part No.
QMSS-052-01-H-D-EM2-PC4

Mouser Part No
200-MSS05201HDEM2PC4

Samtec

Board to Board & Mezzanine Connectors 0.635 mm Q2 Shielded Ground Plane Terminal Strip

Datasheet

Non-Stocked Lead-Time 3 Weeks

€36.69

€35.52

Min.: 26
Mult.: 26

Board to Board & Mezzanine Connectors 0.635 mm Q2 Shielded Ground Plane Terminal Strip

QMSS-052-01-L-D-EM2-PC4
Samtec
26: €24.88
Non-Stocked Lead-Time 2 Weeks

Mfr. Part No.
QMSS-052-01-L-D-EM2-PC4

Mouser Part No
200-MSS05201LDEM2PC4

Samtec

Board to Board & Mezzanine Connectors 0.635 mm Q2 Shielded Ground Plane Terminal Strip

Datasheet

Non-Stocked Lead-Time 2 Weeks

€24.88

Min.: 26
Mult.: 26

Board to Board & Mezzanine Connectors 0.635 mm Q2 Shielded Ground Plane Terminal Strip

QMSS-052-01-L-D-EM2-PC8
Samtec
1: €26.46
Non-Stocked Lead-Time 10 Weeks

Mfr. Part No.
QMSS-052-01-L-D-EM2-PC8

Mouser Part No
200-MSS05201LDEM2PC8

Samtec

Board to Board & Mezzanine Connectors 0.635 mm Q2 Shielded Ground Plane Terminal Strip

Datasheet

Non-Stocked Lead-Time 10 Weeks

€26.46

€25.04

€23.61

€22.88

Min.: 1
Mult.: 1

Board to Board & Mezzanine Connectors 0.635 mm Q2 Shielded Ground Plane Terminal Strip

QMSS-052-06.75-H-D-A-K-TR
Samtec
375: €19.25
Non-Stocked Lead-Time 2 Weeks

Mfr. Part No.
QMSS-052-06.75-H-D-A-K-TR

Mouser Part No
200-MSS0520675HDAKTR

Samtec

Board to Board & Mezzanine Connectors 0.635 mm Q2 Shielded Ground Plane Terminal Strip

Datasheet

Non-Stocked Lead-Time 2 Weeks

Reel

€19.25

Min.: 375
Mult.: 375

: 375

Board to Board & Mezzanine Connectors 0.635 mm Q2 Shielded Ground Plane Terminal Strip

QMSS-064-06.75-L-D-DP-GP
Samtec
26: €31.48
Non-Stocked Lead-Time 9 Weeks

Mfr. Part No.
QMSS-064-06.75-L-D-DP-GP

Mouser Part No
200-MSS0640675LDDPGP

Samtec

Board to Board & Mezzanine Connectors 0.635 mm Q2 Shielded Ground Plane Terminal Strip

Datasheet

Non-Stocked Lead-Time 9 Weeks

€31.48

€30.48

Min.: 26
Mult.: 26

Board to Board & Mezzanine Connectors 0.635 mm Q2 Shielded Ground Plane Terminal Strip

QMSS-078-01-H-D-EM2-PC4
Samtec
26: €51.35
Non-Stocked Lead-Time 8 Weeks

Mfr. Part No.
QMSS-078-01-H-D-EM2-PC4

Mouser Part No
200-MSS07801HDEM2PC4

Samtec

Board to Board & Mezzanine Connectors 0.635 mm Q2 Shielded Ground Plane Terminal Strip

Datasheet

Non-Stocked Lead-Time 8 Weeks

€51.35

€49.73

Min.: 26
Mult.: 26

Board to Board & Mezzanine Connectors 0.635 mm Q2 Shielded Ground Plane Terminal Strip

QMSS-078-01-L-D-EM2-PC4
Samtec
26: €31.73
Non-Stocked Lead-Time 8 Weeks

Mfr. Part No.
QMSS-078-01-L-D-EM2-PC4

Mouser Part No
200-MSS07801LDEM2PC4

Samtec

Board to Board & Mezzanine Connectors 0.635 mm Q2 Shielded Ground Plane Terminal Strip

Datasheet

Non-Stocked Lead-Time 8 Weeks

€31.73

€30.74

Min.: 26
Mult.: 26

Board to Board & Mezzanine Connectors 0.635 mm Q2 Shielded Ground Plane Terminal Strip

QMSS-078-01-L-D-EM2-PC8
Samtec
26: €33.05
Non-Stocked Lead-Time 4 Weeks

Mfr. Part No.
QMSS-078-01-L-D-EM2-PC8

Mouser Part No
200-MSS07801LDEM2PC8

Samtec

Board to Board & Mezzanine Connectors 0.635 mm Q2 Shielded Ground Plane Terminal Strip

Datasheet

Non-Stocked Lead-Time 4 Weeks

€33.05

€32.02

Min.: 26
Mult.: 26

Board to Board & Mezzanine Connectors 0.635 mm Q2 Shielded Ground Plane Terminal Strip

QMSS-078-06.75-L-D-A-K-TR
Samtec
325: €16.66
Non-Stocked Lead-Time 7 Weeks

Mfr. Part No.
QMSS-078-06.75-L-D-A-K-TR

Mouser Part No
200-MSS0780675LDAKTR

Samtec

Board to Board & Mezzanine Connectors 0.635 mm Q2 Shielded Ground Plane Terminal Strip

Datasheet

Non-Stocked Lead-Time 7 Weeks

Reel

€16.66

Min.: 325
Mult.: 325

: 325

Board to Board & Mezzanine Connectors 0.635 mm Q2 Shielded Ground Plane Terminal Strip

QMSS-104-06.75-L-D-A-GP-K
Samtec
26: €31.49
Non-Stocked Lead-Time 5 Weeks

Mfr. Part No.
QMSS-104-06.75-L-D-A-GP-K

Mouser Part No
200-MSS1040675LDAGPK

Samtec

Board to Board & Mezzanine Connectors 0.635 mm Q2 Shielded Ground Plane Terminal Strip

Datasheet

Non-Stocked Lead-Time 5 Weeks

€31.49

€30.50

Min.: 26
Mult.: 26