Sony Ericsson W960 Working Instruction, Electrical page 5

Lead-free soldering continued
LFS (lead-free solder paste) characteristics:
• High melting point (typically 220°C)
• Low wettability
• High surface tension
• Difficult to spread
• Recommended tip temperature = 360°C
W PBA'
HEN SERVICING
LFS ( -
WITH LEAD FREE SOLDER PASTE
I ,
F NOT THERE IS A HIGH RISK FOR UNRELIABLE SOLDERING
.
JOINTS
Lead-free solder joints are more difficult to inspect because
they do not have shiny surfaces like leaded solder joints.
Also, lead-free solder does not flow as well as leaded
solder, so some of the solder pad areas may remain
exposed.
1206-4806 Rev1
©
Sony Ericsson Mobile Communications AB
S THAT HAVE BEEN MANUFACTURED
), LFS
MUST BE USED
Working Instruction, Electrical
.
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