Electronics Forum: tin and plating and shelf and life (Page 1 of 1)

lead free platings and tin lead

Electronics Forum | Tue Aug 31 17:36:36 EDT 2004 | davef

NO-LEAD COMPONENTS WITH LEAD SOLDER ISSUE: We agree with Russ. We've dicussed this several times on SMTnet. For instance, look here http://www.smtnet.com/forums/Index.cfm?CFApp=1&Message_ID=25394 LEAD COMPONENTS WITH NO-LEAD SOLDER ISSUE: We disa

Material Ageing and Storage

Electronics Forum | Thu Feb 22 04:00:02 EST 2001 | Scott B

We are increasingly being asked to store components for longer and longer periods which we know through experience leads to reduction or total loss of solderability of the parts. 1) What is the industry accepted shelf life of tin/lead plated compone

Tin Lead Electrodeposited Plating and Conformal Coat

Electronics Forum | Wed Nov 20 16:47:10 EST 2013 | aaronpavone

I have a right angle male shrouded connector and the whole set of termination leads is tin lead plated, at least 100 microinches thick. Should the entirety of the lead be conformal coated? Or can we have just the joint coated? I know I have coated le

Re: CuOSP and IMM Silver versus HASL

Electronics Forum | Thu Aug 31 18:59:55 EDT 2000 | Brian W.

Our customers use OSP, HASL, immersion tin and immersion gold as board finishes. If I recommend a finish to the customer, it is one of the immersion finishes or OSP. Those finishes have the advantage of a flat surface to deposit paste. HASL has va

Criteria for Min Thickness regarding Large and Small pads

Electronics Forum | Mon Jun 30 08:55:31 EDT 2008 | davef

It will be tough to find a dimensional thickness specification for HASL. IPC-6012 Table 3-2, line "Fused tin-lead or solder coat - Coverage and Solderable" states the requirement that there has to be complete coverage of solder on the land, and it mu

what is the different between ENIG and Immersion Au

Electronics Forum | Thu Jan 12 10:05:13 EST 2006 | davef

There's a lots comparisons like this on the web. Here's one: Westwood Associates said on 8/12/2003: HASL OSP ENIG Pd Tin Silver Flat no yes yes yes yes yes Solderjoint Cu-Sn Cu-Sn Ni-Sn Ni-Sn Cu-Sn Cu-Sn Contact E-test, ICT no


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