|Ask the Experts|
July 13, 2009
Wave Soldering Fine Pitch Through Hole Components
We are wave soldering very close pitch through hole components and see bridging. What is the finest pitch for through hole components that can be successfully wave soldered? Is there anything you can recommend we do to reduce bridging on this component?
|Expert Panel Responses|
Bridging of close thru-hole terminations has long been an issue in design and assembly practices. There are a number of major contributors to this that may yield better results. When you start to reach a 20-25 mill pitch the process will be more difficult to maintain. Machine parameters,
We have seen very tight pitch wave soldering when the MS2 material is used on the solderpot. The MS2 works as a dross eliminator and allows the solder to wet and flow much better. The MS2 is available from PK Metal. Larry Kay is the contact.
President/Senior Technical Consultant
The article can be found in an of SMT Magazine titled Intrusive Reflow of Lead-Free Solder Paste.
Vice President Technology
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