Connector Housings Overview September 13, 2022 In Chapter I/1.2.1 Connector Housing, the four major functions of a connector housing were identified as: Electrical insulation: All of... Read more
Soldering Quality September 13, 2022 As per the IPC-A-610D, a compliant solder joint must fill at least 75% of the free volume between the pin... Read more
Solder Reflow Practice September 13, 2022 As noted previously, the THR reflow practice is basically identical to the SMT reflow practice. As such, it can be... Read more
Component Insertion September 13, 2022 Whenever possible, it is desirable to use automatic pick and place technologies to insert the connectors into the PCB PTH.... Read more
Pin Geometry September 13, 2022 Basically, pins can be round or any rectangular shape, as shown in Figure 2.95. The pin geometry plays an important... Read more
Solder Paste Application September 13, 2022 The solder paste is applied to the PCB and a subsequent squeegee pass is used to push the paste into... Read more
Solder Paste Volume October 2, 2023 The solder paste volume on the PCB surface will be determined by the thickness and area of the stencil opening.... Read more
Screen Printing September 12, 2022 The screen printing process is particularly important because it determines the amount of solder paste that will be applied to... Read more
The THR Manufacturing Process September 12, 2022 The basic requirement of a THR manufacturing process is to ensure compatibility with the existing SMT manufacturing process, typical stages... Read more
Component Lead Terminations September 12, 2022 In a lead-free world, the most common finish is tin because of its very good wettability properties. However, tin can... Read more