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EM357-RTR 数据表(PDF) 225 Page - List of Unclassifed Manufacturers

部件名 EM357-RTR
功能描述  High-Performance, Integrated ZigBee/802.15.4 System-on-Chip
PDF  240 Pages
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制造商  ETC2 [List of Unclassifed Manufacturers]
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标志 ETC2 - List of Unclassifed Manufacturers

EM357-RTR 数据表(HTML) 225 Page - List of Unclassifed Manufacturers

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EM351 / EM357
19.2 Solder Temperature Profile
Figure 19-5 illustrates the solder temperature profile for the EM35x. This temperature profile is similar for
other RoHS compliant packages, but manufacturing lines should be programmed with this profile in order to
guarantee proper solder connection to the PCB.
Figure 19-5. EM35x Reflow Profile
Table 19-1 contains the temperature profile parameters.
Table 19-1. Solder Reflow Parameters
Parameter
Value
Average Ramp Up Rate (from Tsoakmax to Tpeak)
3°C per second max
Minimum Soak Temperature (Tsoakmin)
150°C
Maximum Soak Temperature (Tsoakmax)
200°C
TL
217°C
Time above TL
60 – 150 seconds
Tpeak
260 + 0°C
Time within 5°C of Tpeak
20 – 40 seconds
Ramp Down Rate
6°C per second max
Time from 25°C to Tpeak
8 minutes, max
19-3
120-035X-000D
Preliminary



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