Electronics Forum | irrahman |
Sat Nov 06 23:07:35 EDT 2010
Electronics Forum | Sun Nov 08 15:27:25 EST 2015 | davef
Thinner: Flux thinner, NOT paint thinner We kept a spare stone in thinner in inventory. We cut PVC pipe to size, cap in one end, screw thread on the other, stone inside, filled with flux thinner and covered with a screw cap. I don't remember who we
Electronics Forum | Sat Jun 12 19:48:47 EDT 2010 | bootstrap
I like what you're doing. 20 years ago anyone, hobbyists and tiny garage-shop companies could create electronics devices just as sophisticated and cool as big corporations. Today, SMT has largely trashed the creativity (and competition) that existe
Electronics Forum | Mon Nov 07 11:26:23 EST 2005 | CW
How large of chip capacitor can we use reliably? I��ve heard they tend to crack. I��ve also heard if you pre heat the larger chip caps (1812 and above) before vapor phase reflow, they won��t crack. If I use 2 mil copper for a power supply board, a
Electronics Forum | Thu Aug 28 02:51:01 EDT 2014 | padawanlinuxero
When you say "selecting correct value of the small chip components during assembly", you are referring to caps and resistors? and that you want to know that the correct cap or resistor was place in the correct location? your assembly is surface moun
Electronics Forum | Mon Nov 08 13:14:35 EST 2010 | rway
If you are just wanting to test the values of the electrolytics or tantalums, it's not a problem with an ICT, as long as your system has an analog instrument to do it. If you are wanting to test the polarity of the cap, you will need a capacitive co
Electronics Forum | Mon Nov 07 16:34:55 EST 2005 | CW
If I am putting chip capacitors on a .063 FR4 board, what size package should we stay away from to avoid cracking? If I use 2 mil copper on the outside layers of a PCB, am I limited to what pitch of parts I can use? Specifically, will using 0603
Electronics Forum | Tue Jul 13 07:22:43 EDT 2004 | Kris
Hi Imtiaz, Can you give a brakup of the 23 components and their end mettalurgy ? Chip ?? QFP/TSOP ?? BGA ?? Aluminium Caps ?? this will determine whether you can do it or not
Electronics Forum | Mon Nov 14 12:10:05 EST 2005 | davef
Ceramic capacitors larger then EIA size 1812 are known to be very susceptible to thermal shock damage due to their large ceramic mass.
Electronics Forum | Mon Nov 07 12:25:32 EST 2005 | Rob
Hi CW, Larger chip caps can be susceptable to cracking, but mainly this is due to handling - flexing of boards is the main culprit (the part being mechanically joined at both ends to the board). PCB's usually flex easiest along one axis, and larger
winsouce.jpg)
