F-211-1
QFSS07804.25LDA
QFSS05204.25LDPC4
TM
(0,635mm) .025"
QFSS02604.25LDA
QFSS SERIES
SHIELDED GROUND PLANE SOCKET
Standard shield grounding is
Increased insertion
GSSSSG. Application
depth for rugged application
Board Mates:
Speci c options
SPECIFICATIONS
QMSS
available.
11mm
For complete speci cations and
Cable Mates:
recommended PCB layouts see Stack Height
6QDPS
www.samtec.com?QFSS
Insulator Material:
Liquid Crystal
Increased
Polymer
insertion depth
Contact, Ground
Integral guide post
(1,30mm)
Plane & Shield Material:
.051"
Phosphor Bronze
NOMINAL
Plating:
APPLICATIONS
WIPE
Au over 50" (1,27m) Ni
(Tin on Ground Plane tails)
Current Rating:
Signal Contact: 1.8A @ 80C
Power Contact: 3.95A @ 80C
Ground Plane: 8.9A @ 80C
Voltage Rating:
300 VAC mated with QMSS
Operating Temp:
11mm Stack Height Based on 10% Impedance/Crosstalk
-55C to +125C
Single-Ended
Single-Ended Signaling 6.0 GHz / 12.0 Gbps
RoHS Compliant:
Signal routing.
Yes Differential Pair Signaling 7.5 GHz / 15.0 Gbps
Performance data for other stack heights and complete
Processing: SSSee SO SerOS ies fi for precision ii
test data available at www.samtec.com?QFSS or
LeadFree Solderable: machined standoffs.
contact sig@samtec.com
Yes
SMT Lead Coplanarity:
(0,10mm) .004" max (026-078)
PINS PER ROW PLATING OTHER
(0,15mm) .006" max (104)
TYPE
QFSS 04.25
A
Board Stacking:
NO. OF PAIRS OPTION OPTION
For applications requiring
more than two connectors
per board or 4 banks or more,
contact ipg@samtec.com
PC4
= 4 Power
026, 052, 078, 104 L D
APPLICATION
Pins/End
(52 total pins per bank = 10" (0,25m) = Single-Ended
(N/A with
SPECIFIC OPTION
40 signals + 12 grounds to shield = D) Gold on Signal
104 or A)
Pins, Shield and
DDP
Headers without
Ground Plane
016, 032, 048, 064 = Differential Pair
Alignment Pins
(16 pairs per bank = DDP)
(Tin on Signal Pin
8 Power Pins/End
tails, and Ground
4 or 8 Power Pins/End
Plane tails)
No. of Banks x (21,34) .840 + (1,02) .040
for (2,36mm) .093"
(2,10) .083
thick board
(21,34) .840
02
Guide Holes
(8,13)
Hot Pluggable
.320
Call Samtec.
(0,635) 01
(0,23)
(0,10)
.025
.009
.004
APPLICATION
(0,89)
(7,44)
(7,06)
.035
.293
.278
QFSS
(1,02) .040 DIA
(8,13)
D
.320
(11.00)
DDP
.433
QMSS
(1,78)
(2,54)
.070
(2,00) .07874
.100
02
01 (2,54)
No. of Banks x (21,34) .840 + (12,87) .507
Note: Some lengths, .100
styles and options are
PC4 OPTION
non-standard, non-returnable.
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