Name and specification of parts Use parts correctly according to the position of BOM/ work instruction/template B plug-in. There is no mistake in installing the plug-in C in the direction of BOM/ work instruction/template. The direction of polar components is correct (note: polar components include diodes, triodes, electrolysis, polar inductors, etc. The maximum distance between the bottom of the D-axis pin assembly and the printed board is 3 mm For the assembly with power consumption equal to or greater than 1W, if the design requirements are higher than the board surface, the minimum distance between the assembly and the printed board is 1.5mm, and the E-axis pin assembly is installed vertically. The height inclination between the bottom surface of the component and the printed board is 0.4-3.0mm, which will not affect the safety gap (the distance from other components is at least 1mm). The forming direction of the component body is correct. According to the template/process requirements, the distance between the bottom of the component with vertical radial pin components and the printed board is 0.3~2.0mm, which will not affect the safety gap (the distance from other components is at least 1 mm). The bending position of the component pin is at least one pin diameter (thickness) away from the length of the component body and should not be less than 0.8 mm, and the pin should pass through the circuit board. The minimum length of bare PCB is1mm. I the damage (or pinch marks) of the external pin of the component shall not exceed 10% of the pin diameter. It is acceptable that the insulating coating of the component is cracked, but the metal body or functional component of the component is not exposed. At the same time, it is acceptable that the components in the glass package have broken glass bodies. What is unacceptable is compilation: review: approval: D distance D distance D distance.