Full Site - : pcb jumpers (Page 8 of 9)

Re: 1206 Jumper

Electronics Forum | Thu May 28 09:48:08 EDT 1998 | Steve Herring

| I have a component that is glue cured on the bottom of a pcb. The component is a 1206 size jumper. It is made up of iron/nickel alloy. The problem I am having is that the part will fall off the board during wave solder. Is the component not abl

Conformal Coating

Electronics Forum | Tue Nov 11 16:01:09 EST 2003 | KSimpson

Adam, As for stripping the boards.. get them right to start with. Believe me you don't want to clean them. If you have to remove the coating most conformal coating brands offer a removal agent that has been tested on most all component ranges. IF yo

Re: 1206 Jumper

Electronics Forum | Thu May 28 22:49:32 EDT 1998 | D. Lange

| I have a component that is glue cured on the bottom of a pcb. The component is a 1206 size jumper. It is made up of iron/nickel alloy. The problem I am having is that the part will fall off the board during wave solder. Is the component not abl

Re: 1206 Jumper

Electronics Forum | Thu May 28 08:56:12 EDT 1998 | Earl Moon

| I have a component that is glue cured on the bottom of a pcb. The component is a 1206 size jumper. It is made up of iron/nickel alloy. The problem I am having is that the part will fall off the board during wave solder. Is the component not abl

Unconventional way of making a PCB

Electronics Forum | Mon Dec 23 17:36:23 EST 2002 | davef

Periodically, we get ahead of ourselves and find that we have fabricated boards that require jumpers and other modications. Alternatives are: * Add 'white wire' jumpers and mod the components as third ops * Print, cure, and seal 'jumpers' of epoxy i

Number of thermal excursions per componet

Electronics Forum | Wed Jun 27 21:05:48 EDT 2001 | davef

BGA Cycle 1: solder ball attach. BGA Cycle 2: BGA attach to board. BGA Cycle 3: BGA removal from board. BGA Cycle 4: BGA pad dress. BGA Cycle 5: BGA ball replacement. BGA Cycle 6: BGA re-attach to board. Board Cycle 1: BGA attach to board. Boar

Re: 1206 Jumper

Electronics Forum | Thu May 28 09:30:42 EDT 1998 | Chrys

| I have a component that is glue cured on the bottom of a pcb. The component is a 1206 size jumper. It is made up of iron/nickel alloy. The problem I am having is that the part will fall off the board during wave solder. Is the component not abl

Jumper Wire Assembly Aids

Electronics Forum | Thu Mar 04 10:20:30 EST 2004 | Ken

If an OEM and room is available on the PCB....have pin location aids silk screened on the boards. Groups of 10 are typical. might look like 1.........10.........20.........30 continue this around the device. Otherwise, ???

Re: Big SMEMA Troubles :-(

Electronics Forum | Tue Nov 03 22:11:38 EST 1998 | phillip hunter

| SMTnetters: | | My UIC conveyors aren't working with my: | | �Omniflow 7 Reflow (Mfg 1/95) | �Dek 265 GS | �Philips CSM | | | What can I do? Does anyone have experience with connecting UIC or other conveyors to the above equipment? On the refl

U.S. PCB Suppliers 48

Electronics Forum | Thu Mar 08 07:24:40 EST 2018 | proceng1

That's what I said when we started talking about 48inch boards. Everything changes. New printer, bigger stencils, new pick & place. Different even profiling (the board is in 3 zones at the same time). Plus board racks don't work well. The old Boa


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