It does not call that out in the drawing detail, so I would assume no.
Ed Popielarski
Engineering Manager
970 NE 21st Ct.
Oak Harbor, Wa. 98277
Ph: 360-675-1322
Fx: 206-624-0965
Cl: 949-581-6601
https://maps.google.com/maps/myplaces?hl=en&ll=48.315753,-122.643578&spn=0.011188,0.033023&ctz=420&t=m&z=16&iwloc=A
-----Original Message-----
From: Dwight Mattix [mailto:[log in to unmask]]
Sent: Thursday, June 06, 2013 1:38 PM
To: TechNet E-Mail Forum; Ed Popielarski; [log in to unmask]
Subject: Re: [TN] Dewetting on high current connector
that tin finish fused after plating?
At 01:06 PM 6/6/2013, Ed Popielarski wrote:
>Phil,
>
>This is "new build" although not built by my company. They are
>post-plated min. 40u" (1.02 microns) matte tin (lead free) over min.
>80 u" (2.04 microns) nickel. The tin plate over nickel is probably
>reflowing during wave/selective/hand soldering to the PCB, but I don't
>know this for certain as I've not observed it personally, only the end
>result.
>
>Ed Popielarski
>Engineering Manager
>
>
> 970 NE 21st Ct.
> Oak Harbor, Wa. 98277
>
> Ph: 360-675-1322
> Fx: 206-624-0965
> Cl: 949-581-6601
>
>https://maps.google.com/maps/myplaces?hl=en&ll=48.315753,-122.643578&sp
>n=0.011188,0.033023&ctz=420&t=m&z=16&iwloc=A
>
>
>-----Original Message-----
>From: [log in to unmask] [mailto:[log in to unmask]]
>Sent: Thursday, June 06, 2013 12:46 PM
>To: TechNet E-Mail Forum; Ed Popielarski
>Subject: RE: Dewetting on high current connector
>
>Hi Ed,
>
>Was this a solder coated blade connector? Dewetting normally applies
>to something that has been exposed to solder and I am not sure why a
>connector would get a soft metal (solder) finish. Is this a field
>return (can't tell if I am seeing corrosion) or freshly produced item?
>
>Phil
>
>-----Original Message-----
>From: TechNet [mailto:[log in to unmask]] On Behalf Of Ed Popielarski
>Sent: Thursday, June 06, 2013 12:00 PM
>To: [log in to unmask]
>Subject: [TN] Dewetting on high current connector
>
>Greetings fellow 'netters,
>
>I have discovered a dewetting condition on high current blade
>connector(s) which causes me to raise an eyebrow. I can't find any
>scholarly articles discussing the long term effect such an irregular
>surface at the material contact interface (photo located at
>http://stevezeva.homestead.com/Terminal_de-wetting.JPG ) will have on
>connection integrity at high current. This is an extreme environment
>automotive application with MTBF expectations in excess of 10 years.
>
>Any guidance and/or professional opinions would be greatly appreciated.
>
>As always, thanks to Steve G. for sharing his webspace with us!
>
>Ed Popielarski
>Engineering Manager
>
>[Description: FullLogo]
> 970 NE 21st Ct.
> Oak Harbor, Wa. 98277
>
> Ph: 360-675-1322
> Fx: 206-624-0965
> Cl: 949-581-6601
>
>https://maps.google.com/maps/myplaces?hl=en&ll=48.315753,-122.643578&sp
>n=0.011188,0.033023&ctz=420&t=m&z=16&iwloc=A
>
>
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