470-3105-100 Amphenol, 470-3105-100 Datasheet - Page 18

• Manufacturer Part Number: 470-3105-100
• Manufacturer: Amphenol
• Type: Backplaner

Specifications of 470-3105-100

• Gender: HDR
• Body Orientation: Straight
• Number Of Contact Rows: 4
• Number Of Contacts: 300POS
• Termination Method: Solder
• Mounting Style: Surface Mount
• Lead Free Status / RoHS Status: Compliant

Side Lighting
- Not affected by background
- Found to be more accurate/robust
- Better suited for NeXLev
Camera Resolution
- Less than 3 mil/pixel finer resolution
cameras are recommended to better
filter-out background issues
7.0 Placement Process – (All connectors up to and including 10.5mm height)
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• “All-ball” field alignment is preferred
• Housing align, back-lit black-body align, or
• Full circular side lighting is preferred – see
• Connector should be pre-oriented for machine
• Placement location/centroid of the part should
*Note: Set-up should be verified for placement repeatability and accuracy.
Contact Amphenol TCS for information on verification tools.
machine capabilities. (Note: if customers placement equipment standard height range is less than ½” – refer
to section below for more info.)
mechanical align not recommended
below
vision system alignment.
be based on the ball locations, and placed using
a best-fit alignment – see next page for best-fit
alignment detail
This range of connector heights fall within the 0-1/2” range of focal length – most common placement
DFM and SMT Assembly Guideline
Requirements
• Most accurate placement
• Plastic housing to ball field tolerance stack-up will
• Ability to most accurately find the ball, without
• Prevents nozzle slip/skew, between camera and
• Minimizes the percentage of ball that is off-pad.
result in less than optimal placement accuracy
background lighting issues.
placement, due to connector weight.
DFM Impact/Benefit
Sample image showing a portion
of one wafer
White shows reflection
back to the camera when
light is flashed on
Background, lead frame and
pedestal knee are washed
out
Lead Frame
Crosshair is placed
where machine finds
ball center
Gray indicates no
reflection
Pedestal Knee
Page 18 of 29
Revision “E“
TB-2082