I will need to ask around to see if I can find someone that can answer this question.
The reflow guidance within the datasheet is typically what we gaurantee.
For the 32S and 37S Devices;
- Normal RoHS Pb-free reflow temp is 245°C
- 20732S product suggest spec is 245°C.
- 260°C has been tested by our packaging house, but has never gone through a formal QA process, so we can only guarantee 245°C
Are these devices specified according to IPC/JEDEC J-STD 020D-01 Moisture/Reflow Sensitivity Classification for Nonhermetic Solid State Surface Mount Devices ?
Then they should sustain max. temp of 260°
Other App-notes (e.g. PACKAGING-AN902-R) are according to this standard
Please verify if BCM20732S and BCM20737S are specified to be processed according to IPC/JEDEC J-STD 020D