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(0,40mm) .01575"
SS4, ST4 SERIES
SS4–20–3.00–L–D–K–TR
SS4–40–3.00–L–D–K–TR
ST4–40–1.00–L–D–P–TR
ST4–20–1.00–L–D–P–TR
WWW.SAMTEC.COM
F-210
SS4 Mates with:
ST4
ST4 Mates with:
SS4
Note: Some lengths,
styles and options are
non-standard, non-returnable.
SPECIFICATIONS
(0,45) .018
(0,40) .01575
(5,00)
.197
(4,35)
.171
A
–L = No. of positions x
(0,40) .01575 + (6,46) .254
(1,30)
.051
(0,15) .006
No. of positions x
(0,40) .01575 + (3,54) .139
B
–L OPTION
(4,00)
.157
No. of positions x
(0,40) .01575 + (1,58) .062
(3,70)
.146
(1,30)
.051
L = No. of positions x
(0,40) .01575 + (6,46) .254
A
B
(0,20) .008
(0,45) .018
(0,40) .01575
For complete specications
and recommended PCB layouts
see www.samtec.com?SS4 or
www.samtec.com?ST4
Insulator Material:
Black LCP
Contact Material:
Phosphor Bronze
Plating:
Au or Sn over 50" (1,27m) Ni
Operating Temp Range:
-55°C to +125°C
Current Rating:
1.3A @ 80°C ambient
RoHS Compliant:
Yes
Processing:
Max Processing Temp:
230°C for 60 seconds, or
260°C for 20 seconds 3x
Lead-Free Solderable:
Yes
SMT Lead Coplanarity:
(0,10mm) .004" max
Note: –L latching option not
intended for alignment to
PCB. Automated placement
is recommended.
SS4
POSITIONS
PER ROW
DK
TR
PLATING
OPTION
–10, –20,
–30, –40, –50
LEAD
STYLE
–3.00
= 3.00mm
–3.50
= 3.50mm
–L
= Latching
(Leave blank
for no latching)
(Only available in
–3.00 Lead Style)
(Required
in callout)
–TR
= Tape &
Reel
(Required
in callout)
–K
= (3,51mm)
.138" DIA
Polyimide
Film Pick &
Place Pad
LATCH
OPTION
–L
= 10"
(0,25m)
Gold on
contact,
Matte Tin
on tail
MATED HEIGHT
SS4
ST4
MATED
HEIGHT
ST4
POSITIONS
PER ROW
DP
TR
PLATING
OPTION
–10, –20,
–30, –40, –50
LEAD
STYLE
–1.00
= 1.00mm
–1.50
= 1.50mm
–2.50
= 2.50mm
–L
= Latching
(Leave blank
for no latching)
(Only available in
–1.00 Lead Style)
(Required
in callout)
–TR
= Tape &
Reel
(Required
in callout)
–P
= Pick &
Place Pad
LATCH
OPTION
–L
= 10" (0,25m)
Gold on contact,
Matte Tin on tail
LEAD
STYLE
AB
(1,00)
.039
(1,50)
.059
(2,50)
.098
(3,08)
.121
(3,58)
.141
(4,58)
.180
–1.00
–1.50
–2.50
–L OPTION
LEAD
STYLE
AB
(2,85)
.112
(3,35)
.132
(3,50)
.138
(4,00)
.157
–3.00
–3.50
4mm Stack
Height
Rated @ -3dB
Insertion Loss
Single-Ended
Signaling
7.0 GHz / 14 Gbps
Differential
Pair Signaling
4.5 GHz / 9 Gbps
Complete test data available
at www.samtec.com?SS4,
www.samtec.com?ST4 or
contact sig@samtec.com
ST4
LEAD
STYLE
–3.00
–3.50
(4,00) .157
(4,50) .177
(5,50) .217
(4,50) .177
(5,00) .197
(6,00) .236
–1.00
–1.50
–2.50
MATED HEIGHT*
SS4 LEAD STYLE
*Processing conditions will
affect mated height.
ULTRA FINE PITCH HEADER & SOCKET