Electronics Forum: all (Page 1086 of 1504)

Re: Soldering Temperature

Electronics Forum | Tue Jul 14 10:26:13 EDT 1998 | Ben Salisbury

| Frank, | Call Circuit Technology Center in Haverhill, MA. The number is 978 374 5000. Ask for Andy Price. These guys specialize in rework. They perform a variety of circuit repair services from mass removal of passives up through BGA and maybe

THnet.com-Amistar Weirdness Question

Electronics Forum | Fri Jul 10 07:52:15 EDT 1998 | smd

Most of you guys probably wish TH would just go away. Maybe for some of you it has. We have some older but very successful WAN controller boards using TH parts so we get to use automated equipment for this. We have an Amistar CI-3000 inserter that so

Re: Excess solder on pins

Electronics Forum | Tue Jul 14 15:21:28 EDT 1998 | Brian Conner

| We are wave soldering a board having 24 similar thru hole connectors on it, using a wave soldering pallet. The problem is that one particular pin of connector in around 6-9 connectors get excess solder on the bottom side. I have tried all the par

Re: Excess solder on pins

Electronics Forum | Fri Jul 10 13:58:49 EDT 1998 | Bob Willis

The parameters which effect the problem you are having are flux and contact time try first increasing the flux you are applying. Next reduce the contact time in the wave by adjusting the back flow plate. If the problem is a jig design check out the j

Re: Excess solder on pins

Electronics Forum | Wed Jul 15 15:18:12 EDT 1998 | Upinder Singh

| | We are wave soldering a board having 24 similar thru hole connectors on it, using a wave soldering pallet. The problem is that one particular pin of connector in around 6-9 connectors get excess solder on the bottom side. I have tried all the p

Re: Excess solder on pins

Electronics Forum | Wed Jul 22 15:05:31 EDT 1998 | Dave F

| | | | We are wave soldering a board having 24 similar thru hole connectors on it, using a wave soldering pallet. The problem is that one particular pin of connector in around 6-9 connectors get excess solder on the bottom side. I have tried all

Re: What do you expect to hear?

Electronics Forum | Wed Jul 08 09:05:09 EDT 1998 | Jon Medernach

Going to SMT from THT you will find a tremendous difference in machine reliability. All the chip shooters are 99.9+%. Fuji has the largest market share in the US so you will hear alot about Fuji. In the Far East the Create chipshooter by Panasonic

Re: Wave Soldering Moisture Sensitive Devices

Electronics Forum | Thu Jul 09 16:47:22 EDT 1998 | Steve Gregory

Hi ya' Bruce! If you don't go above 180 degrees C. you should be oakie-dokie...actually the temp limit according to IPC-SM-786A is 220 degrees...and they also detail that statement by saying that's the temperature as measured at the top center of

Re: Why Dry After DI?

Electronics Forum | Wed Jul 08 17:31:31 EDT 1998 | Dave F

smd: I think the idiom is "schmuck," rather than "putz." ;-) What are you concerned about? That the residual water in the 80 pin connector housing will flow down the boards and rot-out the bottom of your new boxes? Dave F | I am about to place a

Re: Using solder paste/reflow for leaded thru hole parts .

Electronics Forum | Fri Jul 03 09:29:19 EDT 1998 | Dave F

| Hi all. | I am trying to put one 20 pin thru hole connector along with the smt components on the PCB. I would appreciate if somebody can guide me in getting thru this process. I also need to know how much bigger the holes on the screen or stencil


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