Electronics Forum: lead-free solder paste (Page 571 of 806)

Washing OSP PCB's

Electronics Forum | Thu Oct 14 11:12:10 EDT 2021 | dontfeedphils

"We sometimes have to pull the boards off the line and wash the solder paste off the boards." Unfortunately I can't answer your question with any authority, but I guess my question in return would be why? Can you do something to address t

Ultrasonice Automatic Stencil Cleaner

Electronics Forum | Mon Nov 15 06:45:42 EST 2021 | svijais

Team, Looking for best cost effective option for Automatic Stencil Cleaner (Ultrasonic) for Cleaning the stencils after solder paste printing process. Max size of stencil is 32" X 32".Please suggest.

Solder Coverage in Non ROHS Paste

Electronics Forum | Tue Dec 07 14:15:18 EST 2021 | majdi4

Hello Jinesh , if you can provide us with component datasheet , stencil design vs PAD design (GBX) and the thermal profil you use.. It would help us to found out the issue and help you.

Solder Coverage in Non ROHS Paste

Electronics Forum | Mon Dec 27 05:23:03 EST 2021 | jineshjpr

Hi Djo, very much sorry to say that no gbx file is available with me (Customer not yet supplied). Sharing you image of stencil design.

142-1711-801 installation issues

Electronics Forum | Fri Jan 14 22:07:19 EST 2022 | mihai_voivod

Hi Thomas, May I ask how much paste/solder do you put on this part?

SMT SOT-23 Part Rotation

Electronics Forum | Wed Feb 02 21:32:13 EST 2022 | chuckphd53

The rotation is a fixed parameter..... and of the 9 parts, randomly it will skew the part, could be one or more... I was thinking maybe the solder paste was too dry and during the LIFT after placement it would blow the part sideways.. Yes I am on a

Profiling LQFP-144 with ground plane

Electronics Forum | Thu Feb 24 20:13:22 EST 2022 | dwl

They don't look that bad, especially for SN100. There is evidence of wetting on the toe and the paste on the pad seems to have reflowed properly. What does the heal look like? That's the more critical part of the solder joint for Gull leaded parts.

Drying PCB after contamination measurement for rework ?

Electronics Forum | Thu Mar 03 14:01:16 EST 2022 | chris007

Hello Baking before solder pasting and reflow actually due to poential moisture development. This is JDEC requirement I believe to do so. We AOI after cleaning so we AOI a clean PCBA

LED Misalignment

Electronics Forum | Mon Apr 25 14:44:26 EDT 2022 | dwl

You could try putting a dot of adhesive like Loc tight chip bonder or similar between the pads. The adhesive will cure before the solder paste hits the reflow temp and hold the LED in place.

What is the type of this connector

Electronics Forum | Thu Apr 28 09:01:38 EDT 2022 | saberbouras

I have a solder paste fridge; my question is what is the type of this connector so I can use it to attach a warning light. And is it a power source or is it a dry contact relay output?


lead-free solder paste searches for Companies, Equipment, Machines, Suppliers & Information

Equipment Auction - Eagle Comtronics: Low-Use Electronic Assembly & Machining Facility 2019 Europlacer iineo + Placement Machine  Test & Inspection: Agilent | Tektronix | Mantis Machine Shop: Haas VF3 | Haas SL-20 | Mult. Lathes

Software for SMT placement & AOI - Free Download.
Hot selling SMT spare parts and professional SMT machine solutions

Training online, at your facility, or at one of our worldwide training centers"
SMT feeders

Nozzles, Feeders, Spare Parts - Siemens, Fuji, Juki, Yamaha, etc...
SMT feeders

Easily dispense fine pitch components with ±25µm positioning accuracy.
design with ease with Win Source obselete parts and supplies

Thermal Transfer Materials.