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HSDL-3200-021 Datasheet(PDF) 11 Page - Lite-On Technology Corporation |
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HSDL-3200-021 Datasheet(HTML) 11 Page - Lite-On Technology Corporation |
11 / 14 page ![]() 11 Pick and Place Misalignment Tolerance and Self-Alignment after Solder Reflow If the printed solder paste volume is adequate, the HSDL- 3200 will self-align after solder reflow. Units should be properly reflowed in IR/Hot Air convection oven using the recommended reflow profile. The direction of board travel does not matter. Tolerance for X-Axis Alignment of Castellation Misalignment of castellation to the land pad should not exceed 0.2 mm (0.008 in.), or about one half the width of the castellation during placement of the unit. The castellations will self-align to the pads during solder reflow. Tolerance for Rotational (Theta) Misalignment Units when mounted should not be rotated more than ± 3 degrees with reference to center X-Y as shown in the recommended land pattern. Units with rotational misalignment of more than ± 3 degrees will not completely self-align after reflow. Units with less than a ± 3 degree misalignment will self-align after solder reflow. Y-Axis Misalignment of Castellation In the Y direction, the HSDL-3200 does not self-align after solder reflow. It is recommended that it be placed in line with the fiducial mark (mid-length of land pad). This will enable sufficient land length (minimum of 1/2 land length) to form a good joint. See the drawing below. Allowable Misalignment Direction Tolerance x ≤0.2 mm (0.008 inches) Theta ± 3 degrees Marking Information The unit is marked with a letter “B” and “YWWLL” for front options on the shield. Y is the year, WW is the workweek, and LL is the Lot information. MINIMUM 1/2 THE LENGTH OF THE LAND PAD LENS EDGE FIDUCIAL |
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