F-212-1
QFSS–078–04.25–L–D–A
QFSS–052–04.25–L–D–PC4
TM
(0,635 mm) .025"
QFSS SERIES
QFSS–026–04.25–L–D–A
SHIELDED GROUND PLANE SOCKET
SPECIFICATIONS
For complete specifications and
recommended PCB layouts see
www.samtec.com?QFSS
Insulator Material:
Liquid Crystal
Polymer
Contact, Ground
Plane & Shield Material:
Phosphor Bronze
Plating:
Au over 50µ" (1,27 µm) Ni
(Tin on Ground Plane tails)
Current Rating:
Signal Contact:
1.8A per contact @ 80°C
Power Contact:
3.95A @ per power contact 80°C
Ground Plane:
8.9A per ground plane @ 80°C
Voltage Rating:
300 VAC mated with QMSS
Operating Temp:
-55°C to +125°C
RoHS Compliant:
Yes
Board Mates:
QMSS
Cable Mates:
6QDPS
Standard shield grounding is
GSSSSG. Application
Specific options
available.
Increased insertion
depth for rugged application
11 mm
Stack Height
• Increased
insertion depth
• Integral guide post
QMSS/QFSS
Rated @ 3dB
Type
11 mm Stack Height
Insertion Loss*
Single-Ended Signaling
–D
6 GHz / 12 Gbps
Differential Pair Signaling
–D
7 GHz / 14 Gbps
Differential Pair Signaling
–D–DP 7.5 GHz / 15 Gbps
*Performance data includes effects of a
non-optimized PCB.
Performance data for other stack heights and
complete test data available at www.samtec.
com?QFSS or contact sig@samtec.com
(1,30 mm)
.051"
NOMINAL
WIPE
Single-Ended
Signal routing.
Processing:
Lead–Free Solderable:
Yes
SMT Lead Coplanarity:
(0,10 mm) .004" max (026-078)
Board Stacking:
For applications requiring more
than two connectors per board,
contact ipg@samtec.com
QFSS
PINS PER ROW
NO. OF PAIRS
04.25
PLATING
OPTION
TYPE
A
OTHER
OPTION
–PC4
–026, –052, –078
(52 total pins per bank
40 signals + 12 grounds to shield = –D)
APPLICATION
SPECIFIC OPTION
• Headers without
Alignment Pins
• 8 Power Pins/End
• 4 or 8 Power Pins/End
for (2,36 mm) .093"
thick board
• Guide Holes
• Hot Pluggable
• 64 (-DP) and 104
pins per row
Call Samtec.
–L
= 10µ" (0,25 µm)
Gold on Signal
Pins, Shield and
Ground Plane
(Tin on Signal Pin
tails, and Ground
Plane tails)
–D
= Single-Ended
–016, –032, –048
(16 pairs per bank = –D–DP)
–D–DP
= Differential Pair
= 4 Power
Pins/End
(N/A with
–104 or –A)
No. of Banks x (21,34) .840 + (1,02) .040
(2,10) .083
(21,34) .840
02
(8,13)
.320
(0,635)
.025
(0,89)
.035
(1,02) .040 DIA
–D–DP
APPLICATIONS
(0,23)
.009
01
(0,10)
.004
(7,06)
.278
(7,44)
.293
(8,13)
.320
APPLICATION
QFSS
–D
(11.00)
.433
QMSS
(2,00) .07874
02
(2,54)
.100
(1,78)
.070
See SO Series for precision
machined standoffs.
Note:
Some lengths,
styles and options are
non-standard, non-returnable.
No. of Banks x (21,34) .840 + (12,87) .507
–PC4 OPTION
01
(2,54)
.100
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