SPE-11-8-140/C/SS     Page 10 of 11
 
5. Antenna Recommended Soldering Conditions
5.1 Flux, Solder 
" Use rosin-based flux. Dont use highly acidic flux with halide content exceeding
  0.2wt%(chlorine conversion value).
" Use Sn solder.
 
5.2 Reflow soldering conditions
" Pre-heating should be in such a way that the temperature difference between solder
  and product surface is limited to 150 max. Cooling into solvent after soldering
  also should be in such a way that temperature difference is limited to 100 max.
  Unwrought pre-heating may cause cracks on the product, resulting in the
  deterioration of products quality.
 
5.3 Reworking with soldering iron
" The following conditions must be strictly followed when using a soldering iron.
 
Pre-heating 
150? 1 min 
Tip temperature 
290?max 
Soldering iron output 
30w max 
Soldering time 
3 second max 
 
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