Electronics Forum: pin (Page 76 of 229)

problem in solderability

Electronics Forum | Thu Aug 28 13:15:59 EDT 2008 | omid_juve

how can i be sure that the device isn`t affected by moisture ? i mean that if the pins are oxidized due to the moisture how can i remove this oxidization ?

problem in solderability

Electronics Forum | Mon Sep 01 02:24:10 EDT 2008 | omid_juve

we use another device with the same package but it doesn`t have any solderability problem . the things that we are hesitate on is the difference between the pin alloy in these two different packages . also i should say that in rework station it will

D Connectors on both sides

Electronics Forum | Thu Sep 11 03:42:40 EDT 2008 | muarty

Again, if the connectors can stand reflow temperatures you have the option of intrusive reflow (pin in paste)where you print paste over the holes for one of the connectors. I have did this before on a slightly different type of connector. Works prett

BGA cracking

Electronics Forum | Thu Sep 25 16:50:50 EDT 2008 | glennster

Ditto here, also. This is generally referred to as �cratering,� and is associated with stress on boards from operations such as ICT, installation of compliant pin connectors, and depanelization. It is more common on PCBs designed for Lead-free proc

solder paste selection for an oxidized pin?

Electronics Forum | Fri Oct 17 14:23:48 EDT 2008 | ratsalad

One of our quality engineers established a procedure to use Tarn-X to clean terminals prior to soldering.

solder paste selection for an oxidized pin?

Electronics Forum | Wed Oct 22 12:13:18 EDT 2008 | brismittr

A no-clean paste with an above average amount of halides should do the trick. Kester EP256HA is a good choice for this application if you are using a leaded alloy (Sn63 or Sn62).

solder paste selection for an oxidized pin?

Electronics Forum | Wed Oct 22 12:46:05 EDT 2008 | hussman

Wire wheel works too. Pre tin the part. Hand solder after reflow. Or order good parts. I prefer the last one. Hows that for an answer?

UIC feeder - front connector

Electronics Forum | Mon Oct 27 12:19:43 EDT 2008 | evtimov

Hello all, can anyone tell me where I can buy front connectors for UIC feeders? Or at least the probe pins. From Universal connectors cost a small fortune. Emil

Fuji cp43 pcb layout

Electronics Forum | Mon Nov 03 07:47:47 EST 2008 | jdengler

mickd, I prefer a rail of 7.62mm (0.300"). This alows for the tooling pins and fiducials without any trouble and minimizes the waste. A fiducial of 1mm round with a 1mm clear area around it. Jerry

PMJ Pallet Handlers

Electronics Forum | Fri Nov 21 03:16:48 EST 2008 | benefon

Does anybody know the pinout diagram for the PMJ pallet destacker SMEMA cable? There seem to be more signals than just the normal Busy/BA and I would like to know what the other pins stand for. rgds


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