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Samtec Inc. QFSS Series

5 variants · Samtec Inc.

About the Samtec Inc. QFSS Series

The Samtec Inc. QFSS Series series groups 5 related part numbers, each listed with full specifications, a datasheet where available, and an RFQ option. Every variant in the range shares a common contact finish of Gold, height above board of 0.278\" (7.06mm) and mated stacking heights of 11mm. Variants differ by connector type, contact finish thickness and features, so you can match the exact connector type your application requires using the selection guide below. All listed Samtec Inc. QFSS Series part numbers are active and orderable.

Select a variant by

Connector type
Differential Pair Array, Female · Receptacle, Center Strip Contacts
Contact finish thickness
10.0µin (0.25µm) · 30.0µin (0.76µm)
Features
Board Guide, Ground Bus (Plane), Power Pins (8), Shielded · Board Guide, Ground Bus (Plane), Shielded
Package
Tape & Reel (TR); Cut Tape (CT) · Tray
Positions
52 · 60 (52 + 8 Power) · 72 (64 + 8 Power) · 104 · 112 (104 + 8 Power)

Shared specifications

Contact finish
Gold
Height above board
0.278\" (7.06mm)
Mated stacking heights
11mm
Mounting type
Surface Mount
Pitch
0.025\" (0.64mm)
Rows
2

Variant comparison

ParameterQFSS-026-04.25-H-D-PC4QFSS-032-04.25-L-D-DP-PC4QFSS-052-04.25-L-D-AQFSS-052-04.25-L-D-PC4QFSS-026-04.25-L-D-A-P-TR
Connector typeReceptacle, Center Strip ContactsDifferential Pair Array, FemaleReceptacle, Center Strip ContactsReceptacle, Center Strip ContactsReceptacle, Center Strip Contacts
Contact finish thickness30.0µin (0.76µm)10.0µin (0.25µm)10.0µin (0.25µm)10.0µin (0.25µm)10.0µin (0.25µm)
FeaturesBoard Guide, Ground Bus (Plane), Power Pins (8), ShieldedBoard Guide, Ground Bus (Plane), Power Pins (8), ShieldedBoard Guide, Ground Bus (Plane), ShieldedBoard Guide, Ground Bus (Plane), Power Pins (8), ShieldedBoard Guide, Ground Bus (Plane), Shielded
PackageTrayTrayTrayTrayTape & Reel (TR); Cut Tape (CT)
Positions60 (52 + 8 Power)72 (64 + 8 Power)104112 (104 + 8 Power)52

Request a quote on any Samtec Inc. QFSS Series part number and we confirm price, availability and lead time per line — including end-of-life and allocation-constrained variants.

Frequently asked questions

How do the Samtec Inc. QFSS Series variants differ?
Samtec Inc. QFSS Series part numbers differ by connector type, contact finish thickness, features and package. Use the selection guide above to pick by connector type.
How many Samtec Inc. QFSS Series part numbers are listed?
5 Samtec Inc. QFSS Series part numbers are listed, each with specifications and a datasheet where available.
How do I get pricing and lead time for Samtec Inc. QFSS Series?
Request a quote (RFQ) for any Samtec Inc. QFSS Series part number and we confirm price, availability and lead time per line — including end-of-life and hard-to-find variants.

All variants