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поискавой системы для электроныых деталей |
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поискавой системы для электроныых деталей |
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VL53L8CH датащи(PDF) 36 Page - STMicroelectronics |
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VL53L8CH датащи(HTML) 36 Page - STMicroelectronics |
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36 / 44 page  11.4 Tape outline drawing Figure 35. VL53L8CH tape and reel packaging drawing 11.5 Pb-free solder reflow process Table 25. Recommended solder profile and Figure 36. Solder profile show the recommended and maximum values for the solder profile. Customers 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 VL53L8CH package. For any reason, if a customer must perform a reflow profile, which is different from the “recommended” one (especially where the peak temperature is > 240°C), the new profile must be qualified by the customer at their own risk. The profile has to be within the “maximum” profile limit described in Table 25. Recommended solder profile. Table 25. Recommended solder profile Parameters Recommended Maximum Units Minimum temperature (TS min) Maximum temperature (TS max) Time ts (TS min to TS max) 130 200 90-110 150 200 60-120 °C °C s Temperature (TL) Time (tL) Ramp up 217 55-65 2 217 55-65 3 °C s °C/s Temperature (Tp-10) Time (tp-10) Ramp up — — — 235 10 3 °C s °C/s Peak temperature (Tp) 240 260 °C Time to peak 300 300 s Ramp down (peak to TL) -4 -6 °C/s VL53L8CH Tape outline drawing DS14310 - Rev 3 page 36/44 |
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