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-L-D-A-P-TR
Samtec
1: $19.77
151In Stock

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

Mouser Part No
200-FSS0260425LDAPTR

Samtec

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

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Datasheet

151In Stock

Cut Tape

$19.77

$16.93

$15.87

$14.50

Reel

$12.76

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Min.: 1
Mult.: 1

: 150

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

QFSS-048-04.25-L-D-DP-PC4
Samtec
1: $41.71
26In Stock

Mfr. Part No.
QFSS-048-04.25-L-D-DP-PC4

Mouser Part No
200-SS0480425LDDPPC4

Samtec

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

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Datasheet

26In Stock

$41.71

$38.66

$34.94

$32.00

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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-GP
Samtec
1: $29.73
51In Stock

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

Mouser Part No
200-QFSS0260425HDAGP

Samtec

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

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Datasheet

51In Stock

$29.73

$28.15

$26.42

$26.17

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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-GP
Samtec
1: $40.23
65In Stock

Mfr. Part No.
QFSS-052-04.25-H-D-A-GP

Mouser Part No
200-QFSS0520425HDAGP

Samtec

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

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Datasheet

65In Stock

$40.23

$40.20

$37.54

$35.89

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Min.: 1
Mult.: 1

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

QMSS-026-06.75-H-D-PC8
Samtec
1: $38.54
47In Stock

Mfr. Part No.
QMSS-026-06.75-H-D-PC8

Mouser Part No
200-QMSS0260675HDPC8

Samtec

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

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Datasheet

47In Stock

$38.54

$36.76

$34.14

$31.85

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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-K
Samtec
1: $27.08
36In Stock

Mfr. Part No.
QMSS-032-06.75-L-D-DP-A-K

Mouser Part No
200-MSS0320675LDDPAK

Samtec

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

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Datasheet

36In Stock

$27.08

$26.98

$25.11

$24.63

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Min.: 1
Mult.: 1

Board to Board & Mezzanine Connectors 0.635 mm Q2 High-Speed Rugged Ground Plane Terminal Strip

QMS-052-09.75-SL-D-A-K-FR
Samtec
150: $23.42
150In Stock
New At Mouser

Mfr. Part No.
QMS-052-09.75-SL-D-A-K-FR

Mouser Part No
200-QMS0520975SLDAKR

New At Mouser

Samtec

Board to Board & Mezzanine Connectors 0.635 mm Q2 High-Speed Rugged Ground Plane Terminal Strip

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Datasheet

150In Stock

Reel

$23.42

$20.48

$20.47

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Min.: 150
Mult.: 150

: 150

Headers & Wire Housings 0.635 mm Q2 High-Speed Rugged Ground Plane Terminal Strip

QMS-052-02-L-D-RA-MG
Samtec
1: $40.70
7In Stock
New At Mouser

Mfr. Part No.
QMS-052-02-L-D-RA-MG

Mouser Part No
200-QMS05202LDRAMG

New At Mouser

Samtec

Headers & Wire Housings 0.635 mm Q2 High-Speed Rugged Ground Plane Terminal Strip

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Datasheet

7In Stock

$40.70

$40.69

$34.94

$32.25

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-A
Samtec
1: $27.81
478In Stock

Mfr. Part No.
QFSS-052-04.25-L-D-A

Mouser Part No
200-QFSS05204.25LDA

Samtec

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

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Datasheet

478In Stock

$27.81

$25.96

$22.36

$19.86

View

Min.: 1
Mult.: 1

Headers & Wire Housings 0.635 mm Q2 High-Speed Rugged Ground Plane Terminal Strip

QMS-052-06.75-L-D-A
Samtec
1: $23.19
352In Stock
1,610Expected 2/10/2026

Mfr. Part No.
QMS-052-06.75-L-D-A

Mouser Part No
200-QMS05206.75LDA

Samtec

Headers & Wire Housings 0.635 mm Q2 High-Speed Rugged Ground Plane Terminal Strip

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Datasheet

352In Stock

1,610Expected 2/10/2026

$23.19

$22.36

$18.06

$17.48

$14.52

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: $28.55
74In 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

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Datasheet

74In Stock

$28.55

$27.32

$21.80

$20.62

$19.46

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-K-TR
Samtec
1: $19.92
261In Stock

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

Mouser Part No
200-QMSS16675LDPAKTR

Samtec

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

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Datasheet

261In Stock

Cut Tape

$19.92

$18.86

$17.78

$16.08

Reel

$12.27

View

Min.: 1
Mult.: 1

: 300

Headers & Wire Housings 0.635 mm Q2 High-Speed Rugged Ground Plane Socket Strip

QFS-032-04.25-L-D-DP
Samtec
1: $16.54
34In Stock

Mfr. Part No.
QFS-032-04.25-L-D-DP

Mouser Part No
200-QFS0320425LDDP

Samtec

Headers & Wire Housings 0.635 mm Q2 High-Speed Rugged Ground Plane Socket Strip

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Datasheet

34In Stock

$16.54

$16.50

$14.86

$13.84

View

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: $34.92
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

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Datasheet

52In Stock

$34.92

$34.45

$30.12

$28.34

View

Min.: 1
Mult.: 1

Headers & Wire Housings 0.635 mm Q2 High-Speed Rugged Ground Plane Socket Strip

QFS-078-04.25-L-D-A-GP-P
Samtec
1: $32.99
52In Stock

Mfr. Part No.
QFS-078-04.25-L-D-A-GP-P

Mouser Part No
200-QFS0780425LDAGPP

Samtec

Headers & Wire Housings 0.635 mm Q2 High-Speed Rugged Ground Plane Socket Strip

Learn More

Datasheet

52In Stock

$32.99

$29.28

$27.65

$27.47

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-PC4
Samtec
1: $21.22
47In Stock

Mfr. Part No.
QFSS-016-04.25-L-D-DP-PC4

Mouser Part No
200-QFSS01604.25LDDP

Samtec

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

Learn More

Datasheet

47In Stock

$21.22

$19.49

$19.30

$17.16

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
Samtec
1: $19.00
68In Stock

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

Mouser Part No
200-QFSS0160425LDDPA

Samtec

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

Learn More

Datasheet

68In Stock

$19.00

$18.22

$15.94

$15.93

View

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: $20.86
28In Stock

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

Datasheet

28In Stock

$20.86

$18.17

$14.50

$13.61

View

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-P
Samtec
1: $19.23
2In Stock

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

Mouser Part No
200-QFSS02604.25LDAP

Samtec

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

Learn More

Datasheet

2In Stock

$19.23

$19.22

$16.58

$14.80

View

Min.: 1
Mult.: 1

Board to Board & Mezzanine Connectors 0.635MM HS SHIELDED GP REC

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 0.635MM HS SHIELDED GP REC

Learn More

Datasheet

2In Stock

$25.85

$24.48

$22.98

$22.74

Min.: 1
Mult.: 1

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

QFSS-026-04.25-L-D-PC4
Samtec
1: $23.94
57In Stock

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

Mouser Part No
200-QFSS0260425LDPC4

Samtec

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

Learn More

Datasheet

57In Stock

$23.94

$21.80

$17.61

$16.40

$15.53

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: $21.65
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

Datasheet

41In Stock

$21.65

$20.50

$19.24

$16.82

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: $48.08
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

Learn More

Datasheet

22In Stock

$48.08

$48.04

$44.09

$41.30

View

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
Samtec
1: $42.42
20In Stock

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

Mouser Part No
200-QFSS0780425LDA

Samtec

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

Learn More

Datasheet

20In Stock

$42.42

$36.34

$29.00

$27.21

View

Min.: 1
Mult.: 1

Headers & Wire Housings 0.635 mm Q2 High-Speed Rugged Ground Plane Terminal Strip

QMS-026-09.75-S-D-A
Samtec
1: $28.15
60In Stock

Mfr. Part No.
QMS-026-09.75-S-D-A

Mouser Part No
200-QMS0260975SDA

Samtec

Headers & Wire Housings 0.635 mm Q2 High-Speed Rugged Ground Plane Terminal Strip

Learn More

Datasheet

60In Stock

$28.15

$27.43

$27.08

$25.13

View

Min.: 1
Mult.: 1

Q2™ Shielded Ground Plane Connectors

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