Hi Lars!
Got your pictures and have them posted. Here's the sketch:
http://stevezeva.homestead.com/SolderSketch.pdf
and here's the photo of the cap:
http://stevezeva.homestead.com/Cap.jpg
Steve
-----Original Message-----
From: TechNet [mailto:[log in to unmask]] On Behalf Of Lars Wallin
Sent: Thursday, February 6, 2014 6:15 AM
To: [log in to unmask]
Subject: [TN] VB: Lödproblem + bild
Hello Technet,
Please check the attach sketch.
It involves soldering a large capacitor (20 x 30 x 40 mm see enclosed picture) and then mould in the whole board with a warm polyuretan mould mass. The requirement is that the solder joint should withstand 300 cycles (from-40C to +85 C).
Figure A, can not cope with the requirement of 300 cycles. a = polyurethane mass.
Which of the figures B-E do you think would be a better solution? Or would you suggest any other solution?
Looking forward to your answer.
Best Regards
Lars Wallin
IPC European Representative
Location: Stockholm, Sweden
Phone: +46 8 26 10 07
Mobile: +46 70 212 74 39
Email: [log in to unmask]<mailto:[log in to unmask]>
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