Electronics Forum: functional test capacitors (Page 5 of 48)

Quad 4c Sequence lead inspection electrical test qa...

Electronics Forum | Tue Mar 12 05:01:09 EDT 2013 | bobpan

The only thing that makes sense is a problem with the program you are working on. Can you edit another program and will it save? You are seeing the same thing happen when you use the machine as and editor or central controller....this makes no sense

How to test & measure capacitors/resistors shear force strength

Electronics Forum | Fri Mar 30 20:06:55 EST 2001 | aortiz

Maybe there's no test and I don't know where or why my customer came with that requirement (I think because in one of the board shipments he got a board were a smd resistor broke, but I think that happened because miss handling), but anyway I need so

Quad 4c Sequence lead inspection electrical test qa...

Electronics Forum | Tue Mar 12 07:46:26 EDT 2013 | ngineer

bobpan, It only happens with this program. CC ver 7.54, IVC V 3.05 If i leave CC out of it, and edit the sequence using the HHT, it sticks. but if i download from the assembler to CC, it's messed up. if i then fix it in CC, the minute i save

solder joint crack in post thermal cycling test at Dye & Pry

Electronics Forum | Sun Apr 11 11:39:52 EDT 2010 | manchella

When we have sent some of motherboards for reliability testing in a tird party laoratory. It is found that when Dye&Pry is done after 600 cycles of Thermal Cycling, in LGA socket only one of the corner solder joing had 100% type 3 crack. All other so

Found Ceramic Chip Caps to be Short Circuit

Electronics Forum | Thu Aug 24 12:45:16 EDT 2006 | CKH

Hi Folk, recently, i have found about 5% of the PCBA failed because of the faulty 10uF Cermanic Chip - Short Circuit. Will this Ceramic Chip cause during the SMT Process (e.g Temperature), Functional Testing or from it Original incoming Capacitor (M

Electrolytic Capacitor

Electronics Forum | Fri Apr 04 13:03:00 EDT 2014 | jyo_409

What is the inspection procedure How to test leakage current Is 100% checking is required at IGI inspection What is the shelf life of the capacitor How much period shelf life is recommended for these capacitors How to check the ripple current of thes

smd capacitors- ICT measuring

Electronics Forum | Tue Jun 18 03:16:46 EDT 2013 | mun4o

production lot is 4000pcs.About 70% of capacitors are out of tolerance ( +/-20%).There are 3pcs C=10u per PCB, in different location.Samsung capacitors wich we use are 1,5 years old - i checked this information from our supplier " Rutronik ".I have

Pcb component testing

Electronics Forum | Thu Dec 17 08:27:09 EST 2020 | gort

Hi all Wonder if anyone can help , I'm trying to test a pcb board ( with very little experience) I've tested the resistors and now the capacitors , only to find that about 5 of them have continuity so guessing there not working . I checked the s

ICT and specifying PCBA testing

Electronics Forum | Tue Nov 01 14:46:31 EDT 2011 | davef

Agilent TestJet Technology White Paper In the early 1990s, the testing of digital parts became problematical. Previous in-circuit test techniques sought to ensure a correct, functioning part by applying digital patterns, called vectors, to the input

Cracked SMT Capacitors

Electronics Forum | Wed Jun 13 16:13:54 EDT 2001 | Igmar

Have anyone seen this problem: Capacitors (100nF 0805) placed on PCB and then appear cracked after reflow. After reflow, the solder joints look visualy acceptable. Then capacitors fail during testing. When attempting to remove capacitor with hot sol


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