Electronics Forum | Mon Jun 06 11:11:44 EDT 2011 | frcdave
Melanie, Given the examples of the solder joints in this and surrounding components, I would believe that there is no solder present.
Electronics Forum | Wed Jun 01 10:33:18 EDT 2011 | tzhangaclara
Hello, Attached is the X-ray picture of a SMT transistor. Please give me your opinion whether this is a good solder or not. From my view, I did not see any solder in the middle pad. I feel it is a production problem. But someone told me unless you s
Electronics Forum | Wed Jun 01 15:57:18 EDT 2011 | markhoch
Hi Melanie, Can you provide pictures of the solder connection itself? I've found that xrays can sometimes be misleading.
Electronics Forum | Tue Jun 07 00:10:13 EDT 2011 | Jacki
Hi Melanie The centre pin got solder but not fully as other 2 leads. U better provide the x'sistor from the top view.
Electronics Forum | Thu Jun 02 13:32:05 EDT 2011 | davef
Melanie: We're with AVFOM. If you don't believe there is solder on the pads, use a beer can opener to pop the component off the board and you will have your answer. Easy-peasy. Who ever told you 'if there is solder, there is voids' in solder connect
Electronics Forum | Sun Dec 07 20:51:23 EST 1997 | john martin
part of my job is to id and source electronic components. i have an ongoing problem iding smt devices w/mfr codes in place of actual part numbers does a cross ref guide exist that will enable me to id a smt transistor(eg)by the marking codes on the d
Electronics Forum | Wed Mar 02 04:47:41 EST 2022 | shrikant_borkar
Dear All Hopefully you got the situation on SIPLACE D1i and SIPLACE D2i. Pickup up Place machines. Is the lead bend upward of SMT transistor detection is possible on this machine? If not is it possible to get it detects by optimising it's windows.
Electronics Forum | Thu Mar 03 03:54:38 EST 2022 | gary_sastrillas
The only way can detect, play around with your vision teaching with the component. and adjust the pin tolerance.
Electronics Forum | Tue Mar 01 04:25:48 EST 2022 | shrikant_borkar
Dear Members Please help me to support to one of my client does not have co planarity in his SIPLACE D1i Pick and place machine. We would like to understand why this Lead lift up issue has passed thru pick and place.? Is there any method by keepin
Electronics Forum | Wed Apr 16 11:29:31 EDT 2008 | mmjm_1099
Per Tony SMT Here are more photos: Q15, Q16, Q17 represent good transistors on a 1 up board with the transistor locations that are in question. Q13 is a good transistor on a bad 2up board. Right next to it is Q14 a bad transistor on a bad 2 up boa
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