Electronics Forum: lead (Page 76 of 790)

0201

Electronics Forum | Thu Jun 21 16:24:24 EDT 2001 | jdtpfacreate

OEM Boy, Reflow depends on your paste type also. Are you using lead free or will you be going to lead free soon? If your are going to you might want to consider developing two different profiles for lead free and leaded pastes. Good Luck! J.D.

0201

Electronics Forum | Thu Jun 21 16:27:06 EDT 2001 | jdtpfacreate

OEM Boy, Reflow depends on your paste type also. Are you using lead free or will you be going to lead free soon? If your are going to you might want to consider developing two different profiles for lead free and leaded pastes. Good Luck! J.D.

Lead Free Component on solder paste (lead)

Electronics Forum | Tue Nov 19 15:18:28 EST 2002 | gswable

does anyone have concrete data on the reliability of lead free components-SN/Bi used with tin lead paste thanks

Flex Circuits reflowing

Electronics Forum | Thu Jul 10 08:48:06 EDT 2003 | Kris

Hi, What would you consider significantly different about lead-free on flex circuits than tin-lead of flex circuits ? Have you published your experiances that you encountered while changing over to lead-free solder paste from a tin-lead paste ? T

QFP Coplanarity & Alloy 42

Electronics Forum | Tue Sep 30 20:05:34 EDT 2003 | afm

Does alloy 42 lead frame on a QFP100 make lack of coplanarity (let's say 2 mils), a critical factor to have non-wetted leads? Lead coating is tin lead 90/10. afm

Lead vapor

Electronics Forum | Thu Mar 04 15:37:18 EST 2004 | adlsmt

Lead melts at 340C and vaporizes at 1740C (at least someone told me that) 63/37 tin/lead melts at 183C, so does anyone know at what temp the lead will vaporize in this alloy or is it the same 1740C?

Where to find Lead free components

Electronics Forum | Thu Sep 09 09:04:52 EDT 2004 | pjc

http://www.practicalcomponents.com/dummy-components.htm "Nearly all package types are now available in lead-free formulations." http://www.toplinecomponents.com/Products_LeadFree.cfm "TopLine has the widest selection of Lead Free Dummy Packages a

Lead free BGA on a Leaded Process

Electronics Forum | Thu Jan 13 09:55:42 EST 2005 | WDLau

Hi Dave, Then you think it is ok to use leaded (Sn/Pb) BGA with Lead free solder paste (SAC)and reflow process, As someone told it is not reliable and it should not be allowed to go,

Lead free component on leaded process

Electronics Forum | Sat Jan 15 10:45:04 EST 2005 | Brad

HI, I actually have ask the same question a while back. Yes, using lead free component in a leaded process should be no problem at all. May required just a little hotter peak temp. during reflow, to achive optimal solderability.

Leadfree Dross in Wave Solderpot

Electronics Forum | Thu Mar 10 05:34:19 EST 2005 | py (france)

Hi all the cost of the nitrogen is lower than the cost of lead free dross, don't forget than the lead free alloy is very expensive. == maintenance be carefull with tools, with a lead bath a key can fall and float, with a lead free bath the key will s


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