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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: $22.13
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

$22.13

$18.00

$16.90

$16.72

View

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: $35.33
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

$35.33

$35.32

$34.87

$34.13

View

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: $16.81
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

$16.81

$15.91

$14.94

$13.27

View

Min.: 1
Mult.: 1

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

QMSS-016-06.75-H-D-DP-A
Samtec
1: $20.15
22Factory Stock Available

Mfr. Part No.
QMSS-016-06.75-H-D-DP-A

Mouser Part No
200-QMSS0160675HDDPA

Samtec

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

Datasheet

22Factory Stock Available

More Info Available

$20.15

$17.90

$15.55

$13.79

Quote

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: $17.35
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

$17.35

$15.61

View

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: $31.76
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

$31.76

$28.08

$27.11

$22.66

View

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: $24.64
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

$24.64

$22.25

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: $25.70
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

$25.70

$25.69

$24.54

$23.60

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: $34.77
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

$34.77

$33.67

$29.93

$28.55

View

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-P
Samtec
26: $34.91
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

$34.91

$33.80

$30.08

$28.68

View

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: $32.77
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

$32.77

$28.29

$26.94

View

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: $15.74
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

$15.74

$15.23

View

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: $9.79
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

$9.79

$8.35

Quote

Min.: 325
Mult.: 325

: 325

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

QMSS-052-01-H-D-EM2-PC4
Samtec
26: $41.30
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

$41.30

$36.71

$32.29

View

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: $28.93
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

$28.93

$27.72

$27.25

View

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: $30.78
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

$30.78

$29.13

$27.81

$26.60

View

Min.: 1
Mult.: 1

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

QMSS-064-06.75-L-D-DP-GP
Samtec
26: $36.61
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

$36.61

$35.44

$31.50

$30.61

Quote

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: $59.72
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

$59.72

$57.83

$51.38

View

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: $36.90
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

$36.90

$35.74

$31.76

$28.09

View

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: $38.44
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

$38.44

$37.23

$33.08

$32.02

View

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: $19.37
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

$19.37

View

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: $36.63
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

$36.63

$35.47

$31.53

$30.19

View

Min.: 26
Mult.: 26

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

QFSS-016-04.25-H-D-DP
Samtec
52: $17.91
Non-Stocked Lead-Time 3 Weeks

Mfr. Part No.
QFSS-016-04.25-H-D-DP

Mouser Part No
200-QFSS0160425HDDP

Samtec

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

Datasheet

Non-Stocked Lead-Time 3 Weeks

$17.91

$16.47

$16.08

$15.75

View

Min.: 52
Mult.: 52

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

QFSS-016-04.25-H-D-DP-A
Samtec
1: $19.19
Non-Stocked Lead-Time 5 Weeks

Mfr. Part No.
QFSS-016-04.25-H-D-DP-A

Mouser Part No
200-QFSS0160425HDDPA

Samtec

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

Datasheet

Non-Stocked Lead-Time 5 Weeks

$19.19

$17.04

$14.82

$13.49

Quote

Min.: 1
Mult.: 1

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

QFSS-016-04.25-L-D-DP
Samtec
1: $13.70
Non-Stocked Lead-Time 3 Weeks

Mfr. Part No.
QFSS-016-04.25-L-D-DP

Mouser Part No
200-QFSS0160425LDDP

Samtec

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

Datasheet

Non-Stocked Lead-Time 3 Weeks

$13.70

$13.42

$12.22

$11.83

View

Min.: 1
Mult.: 1