Connectors – Mouser Singapore

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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: $25.85
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

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Datasheet

2In Stock

$25.85

$24.48

$22.98

$22.74

View

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-A-GP-P
Samtec
1: $22.45
6In Stock

Mfr. Part No.
QFSS-016-04.25-L-D-DP-A-GP-P

Mouser Part No
200-S16425LDDPAGPP

Samtec

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

Learn More

Datasheet

6In Stock

$22.45

$22.00

$18.69

$17.01

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: $22.86
24Expected 10/8/2026

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

Datasheet

24Expected 10/8/2026

$22.86

$21.64

$20.32

$18.05

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: $27.40
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

Learn More

Datasheet

22Factory Stock Available

More Info Available

$27.40

$24.34

$21.15

$18.73

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: $23.60
Non-Stocked Lead-Time 9 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

Learn More

Datasheet

Non-Stocked Lead-Time 9 Weeks

Reel

$23.60

$21.15

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-A-GP-P-TR
Samtec
150: $24.78
Non-Stocked Lead-Time 9 Weeks
New Product

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

Mouser Part No
200-FSS0260425LDAGP

New Product

Samtec

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

Datasheet

Non-Stocked Lead-Time 9 Weeks

Reel

$24.78

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: $19.00
Non-Stocked Lead-Time 4 Weeks
New Product

Mfr. Part No.
QFSS-026-04.25-L-D-BM-GP

Mouser Part No
200-FSS0260425LDBMGP

New Product

Samtec

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

Datasheet

Non-Stocked Lead-Time 4 Weeks

$19.00

$16.88

$14.99

$14.10

$14.09

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: $17.53
Non-Stocked Lead-Time 7 Weeks
New Product

Mfr. Part No.
QFSS-026-04.25-L-D-PC4-P-FR

Mouser Part No
200-FSS0260425LDPC4

New Product

Samtec

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

Datasheet

Non-Stocked Lead-Time 7 Weeks

Reel

$17.53

$17.52

$17.50

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: $22.22
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

Datasheet

Non-Stocked Lead-Time 8 Weeks

$22.22

$21.32

$20.94

View

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: $26.45
Non-Stocked Lead-Time 7 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

Datasheet

Non-Stocked Lead-Time 7 Weeks

$26.45

$21.61

$19.99

View

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: $20.52
Non-Stocked Lead-Time 5 Weeks
New Product

Mfr. Part No.
QFSS-032-04.25-L-D-DP-A-FR

Mouser Part No
200-FSS0320425LDDPAR

New Product

Samtec

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

Datasheet

Non-Stocked Lead-Time 5 Weeks

Reel

$20.52

$17.98

Quote

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: $29.02
Non-Stocked Lead-Time 8 Weeks
New Product

Mfr. Part No.
QFSS-048-04.25-L-D-DP-A-P-FR

Mouser Part No
200-FSS0480425LDDPA

New Product

Samtec

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

Datasheet

Non-Stocked Lead-Time 8 Weeks

Reel

$29.02

$28.21

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: $44.10
Non-Stocked Lead-Time 8 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

Datasheet

Non-Stocked Lead-Time 8 Weeks

$44.10

$38.07

$36.87

$30.46

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-BM-P
Samtec
52: $41.85
Non-Stocked Lead-Time 8 Weeks
New Product

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

Mouser Part No
200-FSS0520425HDABMP

New Product

Samtec

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

Datasheet

Non-Stocked Lead-Time 8 Weeks

$41.85

$39.40

$39.39

View

Min.: 52
Mult.: 52

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: $33.51
Non-Stocked Lead-Time 8 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

Learn More

Datasheet

Non-Stocked Lead-Time 8 Weeks

Reel

$33.51

$29.14

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-A-P-TR
Samtec
150: $20.78
Non-Stocked Lead-Time 7 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

Datasheet

Non-Stocked Lead-Time 7 Weeks

Reel

$20.78

$18.09

$17.26

Quote

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: $35.26
Non-Stocked Lead-Time 8 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

Datasheet

Non-Stocked Lead-Time 8 Weeks

$35.26

$35.25

$33.44

$32.11

View

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: $27.40
Non-Stocked Lead-Time 9 Weeks
New Product

Mfr. Part No.
QFSS-052-04.25-L-D-PC8-P-TR

Mouser Part No
200-FSS0520425LDPC8

New Product

Samtec

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

Datasheet

Non-Stocked Lead-Time 9 Weeks

Reel

$27.40

Min.: 150
Mult.: 150

: 150

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

QFSS-064-04.25-L-D-DP-GP
Samtec
26: $47.19
Non-Stocked Lead-Time 11 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

Learn More

Datasheet

Non-Stocked Lead-Time 11 Weeks

$47.19

$45.79

$40.70

$38.71

View

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
150: $28.94
Non-Stocked Lead-Time 8 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

Learn More

Datasheet

Non-Stocked Lead-Time 8 Weeks

Reel

$28.94

$25.17

View

Min.: 150
Mult.: 150

: 150

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

QFSS-078-04.25-L-D-PC4-P
Samtec
26: $40.62
Non-Stocked Lead-Time 8 Weeks

Mfr. Part No.
QFSS-078-04.25-L-D-PC4-P

Mouser Part No
200-FSS0780425LDPC4P

Samtec

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

Learn More

Datasheet

Non-Stocked Lead-Time 8 Weeks

$40.62

$38.80

$34.52

$32.91

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: $47.38
Non-Stocked Lead-Time 9 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

Learn More

Datasheet

Non-Stocked Lead-Time 9 Weeks

$47.38

$45.97

$40.91

$38.88

View

Min.: 26
Mult.: 26

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

QMSS-016-06.75-L-D-DP-A-K-FR
Samtec
300: $13.36
Non-Stocked Lead-Time 2 Weeks
New Product

Mfr. Part No.
QMSS-016-06.75-L-D-DP-A-K-FR

Mouser Part No
200-MSS0160675LDDPA

New Product

Samtec

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

Datasheet

Non-Stocked Lead-Time 2 Weeks

Reel

$13.36

$11.90

$11.89

Min.: 300
Mult.: 300

: 300

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

QMSS-016-06.75-L-D-DP-A-K
Samtec
56: $19.41
Non-Stocked Lead-Time 2 Weeks

Mfr. Part No.
QMSS-016-06.75-L-D-DP-A-K

Mouser Part No
200-MSS0160675LDDPAK

Samtec

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

Learn More

Datasheet

Non-Stocked Lead-Time 2 Weeks

$19.41

$16.09

$14.55

$13.89

View

Min.: 56
Mult.: 56

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

QMSS-026-01-H-D-EM2-PC4
Samtec
52: $44.57
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

Learn More

Datasheet

Non-Stocked Lead-Time 2 Weeks

$44.57

$38.30

$36.42

View

Min.: 52
Mult.: 52

Q2™ Shielded Ground Plane Connectors

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