Electronics Forum: esd on smd resistors (Page 1 of 1)

Question on Grounding Resistor

Electronics Forum | Tue May 23 16:56:10 EDT 2000 | Ashok Dhawan

For grounding Table Mats/ Floor Mats and workstations, does grounding resistor need special characterstics e.g Wattage, material of construction, etc. We intend to use 1M Ohms resistor. EIA-625 does refer to EOS/ESD-S6.1 standard ( paragraph 7) fo

Re: Need help on DFM rules

Electronics Forum | Wed Jun 02 15:27:27 EDT 1999 | JohnW

| | Hi, | | | | To improve the Design For Manufacturing I am currently looking to write down some design rules that can (and should be) used by our engineering department. | | | | Can somebody help me get started or give some usefull tips on where

Lead free component VS vision on Mydata MY12

Electronics Forum | Wed Nov 09 12:06:33 EST 2005 | Rob

I don't want to throw a spanner in the works here, but a large proportion of chip resistors & capacitors have been ROHS compliant for a couple of years now, the manufacturers have just not declaired it. Could it be that the part you have just has

Yield on 0402 SMT Printed Circuit Board Assemblies

Electronics Forum | Mon Jan 08 03:47:47 EST 2007 | tk380514

as someone had said before, check you stencil and have it redesigned. I design our stencils for my factory and have inproved quality in BGA , QFP and 0603 case sizes. we did have 1 prototype series that used 0403 chips btu we had brand new feeders an

Re: Ghost circuit shorts under smt resisters only when they are located on solder side of pcb (glued down)

Electronics Forum | Sun Jul 25 08:54:37 EDT 1999 | Tom Gervascio

| We are having a process related problem with pullup resistors on a controller card which has a I960 micro-processor. | The controller monitors signal inputs and it's own resources then blinks a LED to indicate its working. The problem is that after

Re: Ghost circuit shorts under smt resisters only when they are located on solder side of pcb (glued down)

Electronics Forum | Mon Jul 26 10:25:12 EDT 1999 | Boca

| | We are having a process related problem with pullup resistors on a controller card which has a I960 micro-processor. | | The controller monitors signal inputs and it's own resources then blinks a LED to indicate its working. The problem is that a

Re: Ghost circuit shorts under smt resisters only when they are located on solder side of pcb (glued down)

Electronics Forum | Mon Jul 26 14:14:51 EDT 1999 | Steve Gregory

| | | We are having a process related problem with pullup resistors on a controller card which has a I960 micro-processor. | | | The controller monitors signal inputs and it's own resources then blinks a LED to indicate its working. The problem is th

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