Electronics Forum: inductor problem (Page 2 of 5)

Green inductors

Electronics Forum | Thu Feb 16 16:16:19 EST 2006 | fredc

We saw something like this in the machine shop years ago. Fumes from a soldering operation in the shop turned exposed iron and steel tools and the spindle on my Bridgport mill green. Can your supplier apply plating or a coating to the exposed parts o

Green inductors

Electronics Forum | Mon Feb 20 07:59:50 EST 2006 | dpmilk

We saw something like this in the machine shop > years ago. Fumes from a soldering operation in > the shop turned exposed iron and steel tools and > the spindle on my Bridgport mill green. Can your > supplier apply plating or a coating to the >

Conformal Coating Machines.........

Electronics Forum | Fri Mar 31 21:33:56 EST 2006 | mrduckmann2000

jdumont, We have a capacitor and an inductor that stick up approx 2.5", any problems with the spray nozzle working around tall objects? Thank you for your input.

leadfree solder content to avoid wire being thin

Electronics Forum | Tue Feb 28 10:18:35 EST 2006 | Steve Gregory

I just went through the same problem. We have an inductor that is made with a bundle of 30-strands of Litz wire that is vaccuum coated with varnish, and have the ends of the wire bundles tinned that we have to solder to SMT pads on the board. The ind

Conformal Coat (Urethane) & bubbles

Electronics Forum | Tue Jan 24 10:24:18 EST 2006 | kmorris

We've got a problem here, where we're hand spraying a urethane conformal coat on over a rectangular inductor. The inductor body is a plastic tube, with potting to fill. The top is not always flat (sometimes concave). The problem is that bubbles appea

Green inductors

Electronics Forum | Mon Feb 20 09:20:07 EST 2006 | dpmilk

It appears to us that the problem lies in the lead-free solder paste rather than the inductors. We have not found a lead-free solder that does not do this. The green is on the copper wire. We believe it gets there during the reflow. The gasses fr

Green inductors

Electronics Forum | Mon Feb 20 08:25:13 EST 2006 | Rob

No problem. If you get no joy you're going to have to change the footprint to a 1206 or 1210. Murata have a range of high Q value inductors (50-60) & from memory Toko used to be pretty hot too. The terminations on the coilcraft part are listed a

Philips Comet 2 part recognition

Electronics Forum | Sat Mar 20 15:59:13 EDT 2010 | emanuel

I have a big problem in setting an smd inductor camera recognition. None of the existing options in the software version 0.99B sems to work. The part is a 6x6mm with chamfer corners of 1mm on each side, looking more as an octagon. Not only this, the

Re: Double Reflow

Electronics Forum | Tue Dec 21 07:18:15 EST 1999 | Nick Harris

Edmund, I agree with Wolfgang there is no reason for 0603s to be falling from the bottom side during the top side reflow. I assume what you are having problems with is a higher mass component like a large tantalum, inductor, or perhaps an active de

Ag/Pd Component Finish

Electronics Forum | Fri Jun 30 06:47:51 EDT 2006 | AR

Hi All the other components on the PCB solder just fine, including resistors, ceramic capacitors, inductors, SOT23 etc. etc. so I do not think that it is a PCB problem. It is clearly focussed on this single component. Haven't yet tried scraping or


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