temperature data for SMT reflow

[Oleg-AgamControl]

I’m designing a PCB using NRF9151-LACA-R7 and an NRF52810-QFAA-QFN48

Our CM needs the exact temperature data for SMT reflow, but we can’t find it clearly in the datasheets.

Could you please:

• Provide the recommended reflow soldering temperature profile (peak temperature, time above liquidus, ramp rates)

• Confirm the maximum allowed temperatures during reflow

• Confirm the operating temperature range for both parts

• Point us to the exact document(s) online (datasheet, assembly guideline, application note) where this information is officially specified

Thank you.

[Syed Maysum Abbas Zaidi]

Hi Kees,

I would like to tell that NRF52811-QCAA-R7 variant is not recommended for new designs as mentioned here. However as far as your question is concerned, we use the same reflow profile for almost all boards we produce internally. It will be the PCB layout, solder paste and other components that will determine the reflow profile as well. I will say that the normal/standard reflow profile is sufficient for most of our chips.

If any other question comes up, I suggest you to create a new ticket for better readability. Thanks.

Best Regards,
Syed Maysum