Electronics Forum | Thu Aug 07 15:41:12 EDT 2003 | gdstanton
To further clarify my question. I'm dealing with mixed solder technologies on a single assembly and am curious how the rest of you guys handle this. Do you use lead based reflow profiles or revert to lead free based profiles? If you haven't seen t
Electronics Forum | Fri Aug 08 11:44:44 EDT 2003 | Henry
I am fairly new to wave soldering and production processes, but I have been tasked with coming up with a calculation involving the shear strength of some through-hole leads. The leads are tinned copper and I suspect that tinning reduces the shear st
Electronics Forum | Fri Aug 15 01:31:17 EDT 2003 | Jay
Hi All, I work for a contract manufacturing and we are having a new PCB to build. The PCB has OSP coating on it and it has been sitting open in the production floor for about 15 days. I am not sure weather it will affect the soldering process or not
Electronics Forum | Tue Sep 16 10:25:34 EDT 2003 | James
We do have a convection oven and no one has messed with it. I am the only one who can change anything. I have it set at Medium right now on a conceptronics oven. Could this be too high? We have not had problems in the past with parts moving off o
Electronics Forum | Tue Sep 16 10:58:03 EDT 2003 | swagner
I am currently having a discussion with a pcb supplier about inadequate hasl thickness, we are measuring below 40 microinches of hasl when our spec calls for 100 microinches as the minimum. Our supplier came back with the statement the entire indust
Electronics Forum | Fri Sep 19 15:51:01 EDT 2003 | David Bonilla
Hi I am having solder short defects on the bottom side with SMD devices that run through the Wave solder. May you let me know any IPC guildelines about the spacing, orientation or any other design guidelines for avoid solder defects with SMD device
Electronics Forum | Mon Sep 22 08:57:54 EDT 2003 | sungels
Hi, I am looking to purchase the following parts 1. B39431-R2632-B110 2. B39431-R2630-B110. The above part was manufacturered ny EPCOS, package T039. Please advise if someone have these in stock for sales or know someone with whom i can order the
Electronics Forum | Mon Sep 22 09:00:58 EDT 2003 | sungels
Hi, I am looking to purchase the following parts 1. B39431-R2632-B110 2. B39431-R2630-B110. The above part was manufacturered ny EPCOS, package T039. Please advise if someone have these in stock for sales or know someone with whom i can order thes
Electronics Forum | Mon Sep 22 09:02:18 EDT 2003 | sungels
Hi, I am looking to purchase the following parts 1. B39431-R2632-B110 2. B39431-R2630-B110. The above part was manufacturered by EPCOS, package T039. Please advise if someone have these in stock for sales or know someone with whom i can order thes
Electronics Forum | Thu Sep 25 16:01:25 EDT 2003 | denis
We bought a Ersa rework station (IR technology) recently and we found in trouble when having to replace BGA with metal heat sink cover. I am affraid that we will probably have to invest money again in a convection rework system. Does someone can refe
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