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поискавой системы для электроныых деталей |
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поискавой системы для электроныых деталей |
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VD6283TX датащи(PDF) 51 Page - STMicroelectronics |
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VD6283TX датащи(HTML) 51 Page - STMicroelectronics |
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51 / 59 page  10.5 Lead-free solder reflow process The table and figure below show the recommended and maximum values for the solder profile. Customers will have to tune the reflow profile depending on the PCB, solder paste, and material used. We expect customers to follow the “recommended” reflow profile, which is specifically tuned for the VD6283 package. For any reason, if a customer must perform a reflow profile which is different from the “recommended” one (especially peak >240 °C), this new profile must be qualified by the customer at their own risk. In any case, the profile has to be within the “maximum” profile limit described in the figure below. Table 24. Recommended soldering profile Parameters Recommended Maximum Units Minimum temperature (TSmin) Maximum temperature (TSmax) Time ts (TSmin to TSmax) 100 180 80 150 200 60-120 °C °C s Temperature (TL) Time (tL) Ramp up 180 110 1.5 217 60-150 3 °C s °C/s Temperature (Tp-10) Time (as index) Ramp up 230 — 0.5 250 30 3 °C s °C/s Peak temperature (Tp) 240 260 °C Time to peak 220 480 s Ramp down (peak to TL) -2 -6 °C/s Note: The temperature mentioned in the above table is measured on top of the VD6283 package. Note: The VD6283 can sustain up to three passes maximum through the recommended solder reflow profile. Figure 26. Soldering profile VD6283TX Lead-free solder reflow process DS13735 - Rev 1 page 51/59 |
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