3 IR Reflow

Suggested IR Profile: Devices are built using lead free epoxy and can be subjected to standard lead free IR reflow conditions shown in Table 7. Contact pads are gold over nickel and lower maximum temperatures can also be used, such as 220°C.

Table 3-1. Reflow Profile
Parameter SymbolMinimumMaximumConditions
TS(1)150°C200°CPb-free
TS(2)100°C150°C_SNPB Option
tS(1)60 sec.180 sec.Pb-free
tS(2)60 sec.120 sec._SNPB Option
tl(1)60 sec.150 sec.Pb-free
tl(2)60 sec.150 sec._SNPB Option
tp(1)245°C260°CPb-free
tp(2)225°C240°C_SNPB Option
Figure 3-1. Solder Reflow