UM220-IV M0 User Manual
14
Figure 6-3 the 30% indication is pink
The shelf life of UM220-IV M0 is one year.
7
Clean
Do not use alcohol or other organic solvents to clean, or it may leave fluid residues in
the shielding shell, causing mildew and other problems.
8
Reflow Soldering
In order to avoid device falling off, the module should be placed on the top of the main
board during welding. Reflow soldering temperature curve is recommended as shown in
figure 8-1 below (M705-GRN360 is recommended for solder paste). Note: the module
can only be welded once.
Figure 8-1 Reflow Soldering Line
Note: The apertures in the stencil need to meet the customer's own design
requirements and inspection specifications, and the thickness of the stencil
should be above 0.15mm, and 0.18mm is recommended.