Page 585 - Demo

551Dimensions in millimeters (inch) unless otherwise statedInstallation GuidelinesSMT product installation is offered on these Southco Captive Screws for 4-40, 6-32 and M3 thread sizes:• 47 Styled Knob Series • 4C Prism Series • 52 Miniature SeriesInstallation FeaturesEach Southco SMT style captive screw includes a polymide patch covering the screw head tool recess allowing for vacuum pick up during placement on the PC Board. The screw threads are protected from excess solder during the reflow process by a plug pre-assembled to the screw by Southco. The patch and plug are then removed after the final cool down phase. Screw as Shipped in Reel or Tray PackPreparing the PC Board to accept SMT Captive Screws• See literature for optimum soldering pad surface area for the specific Southco Captive Screw being utilizedPackaging Features/Options• Reel PackReflow Process• Reflow of Solder - Pre-heat - Soak - Reflow - Cooling• Cleaning - Remove excess solder pasteSouthco Surface Mounted Technology (SMT) Captive Screws include installation and packaging features for installation onto PC Boards during the Reflow Process as a surface mounted device (SMD).Reel PackPacked with PlugPolyimide tape patchon top surface of screwfor vacuum pick upH-2 P-2ScrewKnobFerruleØ J Ø EH-1P-1F* Total Float of Screw in FerruleSoldering PadPC Board