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HLMP-HM55-MQ0XX Datasheet(PDF) 10 Page - AVAGO TECHNOLOGIES LIMITED |
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HLMP-HM55-MQ0XX Datasheet(HTML) 10 Page - AVAGO TECHNOLOGIES LIMITED |
10 / 12 page 10 Note: Refer to application note AN1027 for more information on soldering LED components. LED Component Plated Through Lead Size Diagonal Hole Diameter 0.457 x 0.457 mm 0.646 mm 0.976 to 1.078 mm (0.018 x 0.018 inch) (0.025 inch) (0.038 to 0.042 inch) 0.508 x 0.508 mm 0.718 mm 1.049 to 1.150 mm (0.020 x 0.020 inch) (0.028 inch) (0.041 to 0.045 inch) Avago Technologies LED Configuration Note: Electrical connection between bottom surface of LED die and the lead frame material through conductive paste of solder. • If necessary, use fixture to hold the LED component in proper orientation with respect to the PCB during soldering process. • At elevated temperature, the LED is more susceptible to mechanical stress. Therefore, PCB must be allowed to cool down to room temperature prior to handling, which includes removal of jigs, fixtures or pallet. • Special attention must be given to board fabrication, solder masking, surface platting and lead holes size and component orientation to assure the solderability. CATHODE • Over sizing of plated through hole can lead to twisting or improper LED placement during auto insertion. Under sizing plated through hole can lead to mechanical stress on the epoxy lens during clinching. • Recommended PC board plated through hole sizes for LED component leads: Figure 8. Recommended wave soldering profile. LAMINAR WAVE BOTTOM SIDE OF PC BOARD HOT AIR KNIFE TURBULENT WAVE FLUXING PREHEAT 010 20 30 50 100 150 200 250 30 40 50 TIME – SECONDS 60 70 80 90 100 TOP SIDE OF PC BOARD CONVEYOR SPEED = 1.83 M/MIN (6 FT/MIN) PREHEAT SETTING = 150 °C (100°C PCB) SOLDER WAVE TEMPERATURE = 245 °C ± 5°C AIR KNIFE AIR TEMPERATURE = 390 °C AIR KNIFE DISTANCE = 1.91 mm (0.25 IN.) AIR KNIFE ANGLE = 40 ° LEAD SOLDER: SN63; FLUX: RMA LEAD FREE SOLDER: 96.5% Sn, 3.0% Ag, 0.5% Cu NOTE: ALLOW FOR BOARDS TO BE SUFFICIENTLY COOLED BEFORE EXERTING MECHANICAL FORCE. |
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