.125" x .250"
Compliant pin technology** VARIPIN™
SERIES 6353
.025" Square Post
Discrete Press-Fit
Compliant section:
When the contact is
press-fit in, the section complies within the
hole. Stress is absorbed by the pin, not the
board, minimizing deformation of both the
hole and the plating.
**Licensed under U.S. patent RE 29513.
Features
Pre-assembled contacts
Compliant press-fit interface (no
soldering required) VARIPIN™
Top-access installation too (see
page 13)
Accepts .0625 ± .008 P board
.C.
Adjacent connectors may be installed
on .500 inch centerlines
Standard insulator dimensions (see
6333 series)
Choice of insulator positions from 12 to
100 contacts (readily available: 16, 20,
28, 30, 44, 50, 56, 60, 62, 66, 70, 72, 80,
86 & 100)
Selective gold plating on mating surface
and either gold flash or tin lead tails
.025 inch square wrap post tails in four
lengths
NOTE: All dimensions and general speci-
fications for standard 6333 connectors
apply to the press-fit connector
Assembly
The connectors shown here are easily
installed using simple tooling (available from
ELCO) and an arbor press. If desired, ELCO
will install these connectors into the mother-
board to provide a complete backpanel.
Important:
Building the hole accurately is
critical to proper press-fit joint perfor-
mance. The finished diameter of the hole is
a
reference
dimension. Tolerances for all
the factors in achieving that dimension
(drilled hole diameter, Cu plating thickness,
and solder plating thickness) must be
observed. Any deviation (e.g. a bigger hole
with thicker plating) may degrade the joint.
ELCO can provide engineering assistance
in specifying the “press-fit” holes.
Specifications
ELECTRICAL
Maximum contact resistance:
Contact to
motherboard, 0.5 mΩ
Overall contact resistance:
Daughter to
motherboard, 10 mΩ
MECHANICAL
Minimum retention force:
Contact in
motherboard, 8 lbs.
Maximum installation force:
Contact to
motherboard, 40 lbs.
Maximum torque:
Contact in motherboard,
3 in-oz
MATERIALS
Contact:
Phosphor bronze
Thermoplastic insulator:
UL94V0 glass-
filled polyester
MOTHERBOARD
Material:
Glass-filled epoxy, FR-4 or G-10
Thickness:
.093-.125 inch
Drilled hole diameter:
.0453 ± .001 inch
Copper through-hole plating:
.001-.003
inch
Solder through-hole plating:
.0003-.001
inch
Finished hole diameter:
.040 ± .003 inch
Hole location tolerance:
0
.008 DIA.
Ordering Code
Typical Example
00
6353
080
606
505
SERIES
NUMBER OF CONTACTS
DUAL READ-OUT
Even Numbers Only
12 thru 100
CONTACT CODE
606
607
608
609
Length
Length
Length
Length
“L”
“L”
“L”
“L”
.205"
.375"
.550"
.715"
VARIATION CODE
PLATING DESCRIPTION
Mating
Area
Tail
Area
15
Gold
Flash
Gold
515
30
Gold
Flash
Gold
505
15
Gold
Tin/Lead
30
Gold
Tin/Lead
VARIATION CODE
615
605
MOUNTING
No mounting ears
Recommended for standard applications. Available through ELCO franchised distributors.
9
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