Electronics Forum: pins and in and paste (Page 1 of 6)

Pin in paste connectors and lead-free questions

Electronics Forum | Thu Aug 22 23:09:34 EDT 2019 | sssamw

Yes, you need work with supplier to see if can run pin in paste for these connectors, even do some experiments. A step-up stencil would be good for these connectors, also connectors pin size and length match with PCB hole design.

pin in paste and hole diameter

Electronics Forum | Sun Mar 28 18:49:36 EDT 2021 | mekmat544

Hello, I would like to ask you if there is some formula how to calculate PTH hole and annual ring for pin in paste technology? Thank you. Mekmat.

pin in paste and hole diameter

Electronics Forum | Thu Jun 10 19:10:05 EDT 2021 | kojotssss

Hi, Get your account. https://software.indium.com/stencil-coach/pin-in-paste-apertures.php

Pin in paste connectors and lead-free questions

Electronics Forum | Mon Jul 22 09:53:13 EDT 2019 | kylehunter

Hey all! As background, I recently purchased a full SMT line for my company. We have a DEK 265, an assembleon opal xii, and a Heller 1500. Currently our jobs are leaded, and the heller is working perfectly. An upcoming job that we are potentially g

Pin in paste connectors and lead-free questions

Electronics Forum | Thu Aug 22 16:25:18 EDT 2019 | scotceltic

Yes, unfortunately a lot of datasheets these days do not contain the temperature resistance to determine if it can handle the PIP application. In the past I have always used a 250 C at a min of 5 sec for the material. Also, the part should have sta

SMT Solder paste and wave flux evaluation

Electronics Forum | Fri Jan 28 12:18:32 EST 2005 | Chunks

Your best bet is to do a decision making matrix. Each company has so many different criteria�s it's hard to pick out which one might be important to yours. Simply pick out your top 5 paste manufactures. Next decide what your "Eliminators" are - th

BGA and QFP orientation in trays for pick and place

Electronics Forum | Wed Jan 14 18:33:21 EST 2004 | ex maintain leader

qfp tray one corner on the holder is 45 degree cutted there is the pin 1 bga also one corner is different in the tray at tape packaging I'm not sure, I have seen diferent comissions belong supliers

BGA and QFP orientation in trays for pick and place

Electronics Forum | Fri Jan 16 07:48:29 EST 2004 | Mika

We usually program the components in the component database with pin 1 in the lower left corner. Then in the feeder database we set the component orientaion to 270 deg for Tray feeders(turn the tray in the feeder 180 deg) and "tube" feeders. For tape

Time and temp in lead and lead-free reflow

Electronics Forum | Mon Jul 28 11:31:42 EDT 2008 | blnorman

Ideal situation is get a technical rep from the solder paste supplier. They know their paste better, and should be able to work out a profile based on their paste and your oven. Again, a technical rep, not the sales guy.

BGA and QFP orientation in trays for pick and place

Electronics Forum | Fri Feb 06 03:56:47 EST 2004 | JaMi Smith

BGAs and QFPs packaged in Trays are oriented with Pin 1 or corner A1 oriented towards the Pin 1 identifier on one corner of the Tray, which is usually identified by a chamfered corner. The Trays themselves are usually governed by JEDEC Registered Ou

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