<span lang="EN-US" style="background: white; color: black; font-family: "Times New Roman",serif; font-size: 9pt; mso-color-alt: windowtext; mso-font-kerning: 0pt; mso-bidi-language: AR;">Currently, PCB assembly mainly comprise of THT and SMT. How toimprove the quality of products? Requesting us master the technology ofassembly and soldering. Especially DIP components, which mounted onthe PCB board through AI and manual process. Then we must understandhow to choose the best insertion way to assembly it.

1. <span lang="EN-US" style="background: white; color: black; font-family: "Times New Roman",serif; font-size: 9pt; mso-color-alt: windowtext; mso-font-kerning: 0pt; mso-bidi-language: AR;">Resistance Insertion

1. <span lang="EN-US" style="background: white; color: black; font-family: "Times New Roman",serif; font-size: 9pt; mso-color-alt: windowtext; mso-font-kerning: 0pt; mso-bidi-language: AR; mso-fareast-font-family: 宋體;">Resistance should be parallel with the circuit board andinserted on the board<span style="background: white; color: black; font-family: 宋體; font-size: 9pt; mso-color-alt: windowtext; mso-font-kerning: 0pt; mso-bidi-language: AR; mso-ascii-font-family: "Times New Roman"; mso-hansi-font-family: "Times New Roman"; mso-bidi-font-family: "Times New Roman";">，<span lang="EN-US" style="background: white; color: black; font-family: "Times New Roman",serif; font-size: 9pt; mso-color-alt: windowtext; mso-font-kerning: 0pt; mso-bidi-language: AR; mso-fareast-font-family: 宋體;">the Body of components shouldbe installed the middle of two holes.

<li style="color: rgb(0, 0, 0); font-family: "Times New Roman",serif; font-size: 9pt; font-style: normal; font-weight: normal;"><p style="color: rgb(0, 0, 0); font-family: "Calibri",sans-serif; font-size: 10.5pt; font-style: normal; font-weight: normal; margin-top: 0cm; margin-bottom: 0cm; mso-list: l0 level1 lfo2;"><span lang="EN-US" style="font-family: "Times New Roman",serif; font-size: 9pt; mso-fareast-font-family: 宋體;">If the length of Resistance smaller than thedistance of component’s two holes, then it can be Erected Inserted.<li style="color: rgb(0, 0, 0); font-family: "Times New Roman",serif; font-size: 9pt; font-style: normal; font-weight: normal;"><p style="color: rgb(0, 0, 0); font-family: "Calibri",sans-serif; font-size: 10.5pt; font-style: normal; font-weight: normal; margin-top: 0cm; margin-bottom: 0cm; mso-list: l0 level1 lfo2;"><span lang="EN-US" style="font-family: "Times New Roman",serif; font-size: 9pt; mso-fareast-font-family: 宋體;">If the power of Resistor is 2W or more than 2W, we couldn’t be flat to theboard,but rather horizontal installation with a gap of 1.5mm-3mm, toavoid circuit board burned.<p style="color: rgb(0, 0, 0); font-family: "Calibri",sans-serif; font-size: 10.5pt; font-style: normal; font-weight: normal; margin-top: 0cm; margin-bottom: 0cm;"><span lang="EN-US" style="background: white; font-family: "Times New Roman",serif; font-size: 9pt; mso-font-kerning: 0pt; mso-bidi-language: AR;"> <p align="left" style="background: white; text-align: left; color: rgb(0, 0, 0); line-height: 18pt; font-family: "Calibri",sans-serif; font-size: 10.5pt; font-style: normal; font-weight: normal; margin-top: 0cm; margin-bottom: 0cm; mso-pagination: widow-orphan;"><span lang="EN-US" style="background: white; color: black; font-family: "Times New Roman",serif; font-size: 9pt; mso-color-alt: windowtext; mso-font-kerning: 0pt; mso-bidi-language: AR;">2.Capacitance Insertion<p align="left" style="background: white; text-align: left; color: rgb(0, 0, 0); line-height: 18pt; font-family: "Calibri",sans-serif; font-size: 10.5pt; font-style: normal; font-weight: normal; margin-top: 0cm; margin-bottom: 0cm; mso-pagination: widow-orphan;"><span lang="EN-US" style="background: white; color: black; font-family: "Times New Roman",serif; font-size: 9pt; mso-color-alt: windowtext; mso-font-kerning: 0pt; mso-bidi-language: AR;">a. For the capacitor with polarity requirement, we should take attention todirection of the polarity, which must be consistent with the indicateddirection on the PCB board.At the same time we should try to put theshorter pin into the negative part.<p align="left" style="background: white; text-align: left; color: rgb(0, 0, 0); line-height: 18pt; font-family: "Calibri",sans-serif; font-size: 10.5pt; font-style: normal; font-weight: normal; margin-top: 0cm; margin-bottom: 0cm; mso-pagination: widow-orphan;"><span lang="EN-US" style="color: black; font-family: "Times New Roman",serif; font-size: 9pt; mso-color-alt: windowtext; mso-fareast-font-family: 宋體;">b. Taking attention to the Polarity ofcapacitor. We must make the Radial capacitor be vertical and parallel to thePCB board, in addition the distance from the bottom of componentsto circuit board should between 0.75mm-3mm.<p align="left" style="background: white; text-align: left; color: rgb(0, 0, 0); line-height: 18pt; font-family: "Calibri",sans-serif; font-size: 10.5pt; font-style: normal; font-weight: normal; margin-top: 0cm; margin-bottom: 0cm; mso-pagination: widow-orphan;"><span lang="EN-US" style="font-family: "Times New Roman",serif; font-size: 9pt; mso-fareast-font-family: 宋體;"> <p align="left" style="background: white; text-align: left; color: rgb(0, 0, 0); line-height: 18pt; font-family: "Calibri",sans-serif; font-size: 10.5pt; font-style: normal; font-weight: normal; margin-top: 0cm; margin-bottom: 0cm; mso-pagination: widow-orphan;"><span lang="EN-US" style="background: white; color: black; font-family: "Times New Roman",serif; font-size: 9pt; mso-color-alt: windowtext; mso-font-kerning: 0pt; mso-bidi-language: AR;">3.Diode Insertion<p align="left" style="background: white; text-align: left; color: rgb(0, 0, 0); line-height: 18pt; font-family: "Calibri",sans-serif; font-size: 10.5pt; font-style: normal; font-weight: normal; margin-top: 0cm; margin-bottom: 0cm; mso-pagination: widow-orphan;"><span lang="EN-US" style="background: white; color: black; font-family: "Times New Roman",serif; font-size: 9pt; mso-color-alt: windowtext; mso-font-kerning: 0pt; mso-bidi-language: AR;">Diode is polarized component, we should confirm the polar mark on thePCB silkscreen, distinguish the polarity of diode. Mustn’t insert thedirection of diode wrong, otherwise it will affect the board function, evencause other components burned.<p align="left" style="background: white; text-align: left; color: rgb(0, 0, 0); line-height: 18pt; font-family: "Calibri",sans-serif; font-size: 10.5pt; font-style: normal; font-weight: normal; margin-top: 0cm; margin-bottom: 0cm; mso-pagination: widow-orphan;"><span lang="EN-US" style="background: white; font-family: "Times New Roman",serif; mso-bidi-font-size: 10.5pt; mso-fareast-font-family: 宋體;"> <p align="left" style="background: white; text-align: left; color: rgb(0, 0, 0); line-height: 18pt; font-family: "Calibri",sans-serif; font-size: 10.5pt; font-style: normal; font-weight: normal; margin-top: 0cm; margin-bottom: 0cm; mso-pagination: widow-orphan;"><span lang="EN-US" style="background: white; color: black; font-family: "Times New Roman",serif; font-size: 9pt; mso-color-alt: windowtext; mso-font-kerning: 0pt; mso-bidi-language: AR;">4.IC Installation<p align="left" style="background: white; text-align: left; color: rgb(0, 0, 0); line-height: 18pt; font-family: "Calibri",sans-serif; font-size: 10.5pt; font-style: normal; font-weight: normal; margin-top: 0cm; margin-bottom: 0cm; mso-pagination: widow-orphan;"><span lang="EN-US" style="background: white; color: black; font-family: "Times New Roman",serif; font-size: 9pt; mso-color-alt: windowtext; mso-font-kerning: 0pt; mso-bidi-language: AR;">All of IC have the direction and their pins have arrange in an order. Thenotch indicates the direction of IC, the pcbsilkscreen also have arecess mark. They must be never reversed, otherwise the IC will easy be burned.At the same time, all of IC’s pin have to insert into the holes, mustn’t haveany pins are bent in the components surface.<p align="left" style="background: white; text-align: left; color: rgb(0, 0, 0); line-height: 18pt; font-family: "Calibri",sans-serif; font-size: 10.5pt; font-style: normal; font-weight: normal; margin-top: 0cm; margin-bottom: 0cm; mso-pagination: widow-orphan;"><span lang="EN-US" style="background: white; font-family: "Times New Roman",serif; mso-bidi-font-size: 10.5pt; mso-fareast-font-family: 宋體;"> <p align="left" style="background: white; text-align: left; color: rgb(0, 0, 0); line-height: 18pt; font-family: "Calibri",sans-serif; font-size: 10.5pt; font-style: normal; font-weight: normal; margin-top: 0cm; margin-bottom: 0cm; mso-pagination: widow-orphan;"><span lang="EN-US" style="background: white; color: black; font-family: "Times New Roman",serif; font-size: 9pt; mso-color-alt: windowtext; mso-font-kerning: 0pt; mso-bidi-language: AR;">5.Led Installation<p align="left" style="background: white; text-align: left; color: rgb(0, 0, 0); line-height: 18pt; font-family: "Calibri",sans-serif; font-size: 10.5pt; font-style: normal; font-weight: normal; margin-top: 0cm; margin-bottom: 0cm; mso-pagination: widow-orphan;"><span lang="EN-US" style="background: white; color: black; font-family: "Times New Roman",serif; font-size: 9pt; mso-color-alt: windowtext; mso-font-kerning: 0pt; mso-bidi-language: AR;">LED is polar components, we usually used the length of pin and the notch ofLED to distinguish its polarity. General speaking, the side of long pin referto Positive, the part with notch is Negative<p align="left" style="background: white; text-align: left; color: rgb(0, 0, 0); line-height: 18pt; font-family: "Calibri",sans-serif; font-size: 10.5pt; font-style: normal; font-weight: normal; margin-top: 0cm; margin-bottom: 0cm; mso-pagination: widow-orphan;"><span lang="EN-US" style="background: white; font-family: "Times New Roman",serif; font-size: 9pt; mso-font-kerning: 0pt; mso-bidi-language: AR;"> <p align="left" style="background: white; text-align: left; color: rgb(0, 0, 0); line-height: 18pt; font-family: "Calibri",sans-serif; font-size: 10.5pt; font-style: normal; font-weight: normal; margin-top: 0cm; margin-bottom: 0cm; mso-pagination: widow-orphan;"><span lang="EN-US" style="background: white; color: black; font-family: "Times New Roman",serif; font-size: 9pt; mso-color-alt: windowtext; mso-font-kerning: 0pt; mso-bidi-language: AR;">We have to understand these basic THT insertion technology,which willimprove the DIP components assembly and manufacture the highquality PCBA.BQC is a professional EMS PCBAssembly company with 17 years experience, which has aprofessional engineer team and skillful production team. <p align="left" style="background: white; text-align: left; color: rgb(0, 0, 0); line-height: 18pt; font-family: "Calibri",sans-serif; font-size: 10.5pt; font-style: normal; font-weight: normal; margin-top: 0cm; margin-bottom: 0cm; mso-pagination: widow-orphan;"><span lang="EN-US" style="background: white; color: black; font-family: "Times New Roman",serif; font-size: 9pt; mso-color-alt: windowtext; mso-font-kerning: 0pt; mso-bidi-language: AR;">Welcome your RFQ and your visit~