Electronics Forum: resistor paint flake (Page 1 of 2)

Missing paint on a surface mount resistor

Electronics Forum | Thu Aug 27 00:08:51 EDT 2020 | smith88

In IPC 9.2 it shows missing paint the pic is terrible, is the missing paint the defect or is it damaged down under a protective layer that is the internal element.

Missing paint on a surface mount resistor

Electronics Forum | Thu Aug 27 13:30:04 EDT 2020 | emeto

If there is damage of the glass coating or exposure of the resistive element it is a defect.

IRC/TTE MELF resistor failures

Electronics Forum | Wed Mar 30 14:02:25 EDT 2016 | blnorman

The program I'm working on is having endcap metallization/resistive element failures. These are on MELFs manufactured by IRC/TTE (MCHP). A sister program is having the same issues. They pulled a couple of date codes and did visual examination and

Paint flaking from Lead Free solder pot

Electronics Forum | Fri Sep 08 11:50:39 EDT 2006 | Rob

SN100C is designed not to corrode your pot, and can be used on standard solderpots (after a proper clean out), whereas SACX is still corrosive and if the coating is compromised then could cause problems. Get it in writing from the supplier that the

Paint flaking from Lead Free solder pot

Electronics Forum | Fri Sep 08 09:10:32 EDT 2006 | Claude_Couture

Hello all, The situation: We recently had 2 brand new solder wave installed, one after the other. On the first one, the "protective coating" on the solder pot started to flake off 1 day after start-up. The tech who did the installation witnessed it a

Wave Solder Machine Maintenance

Electronics Forum | Thu Nov 29 08:16:47 EST 2001 | Hussman

Unless your wave is very, very, very old - you are having your leg pulled. Or someone in your maintenance dept. is a little out of it. Most pre-heaters are already coated to prevent rust. Maybe the coating has flaked away, if so, I'd suggest using

Paint flaking from Lead Free solder pot

Electronics Forum | Fri Sep 08 11:38:42 EDT 2006 | GS

Last april,I have seen same behavior on a pot using SACX. Phenomena happened just few days after start up of a brand new solder wave. I know they have got the pot replaced but I do not know what about the new pot if had same problem. I know they mad

Static control for shelving

Electronics Forum | Wed Aug 13 12:58:32 EDT 2003 | babe

Lets try this again, Every shelf system should be grounded individually. Every six feet per EOS/ESD requirements. Do not daisy chain anything. Secondly, Depending on the depth of paint,style of pain that your shelving system has. A static charge woul

Re: Cleaning No-Clean

Electronics Forum | Tue Oct 13 22:22:14 EDT 1998 | mike

| All Y'll | | How do you clean components that must be added to an assembled board after water wash? | | BACKGROUND | | Our basic process goes like this: | | 1 Print paste with OA flux, place, reflow, wash | 2 Repeat 1 | 3 Insert PTH, OA flux

Quad 3c/4c Laser Align Settings

Electronics Forum | Tue Sep 19 18:06:05 EDT 2006 | lheiss

Does anyone know of a source for better documentation for the laser align settings? I managed to get a 1206 ceramic capacitor to measure and was working on a 1206 resistor and couldn't get it to succeed. I retried the cap and it failed again and ag

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