There is a picture and a part dimension picture on the datasheet that
shows the metal jacket around the part body that creates a flat surface
for pick up and two legs to prevent rolling.  As long and the two legs
on the jacket and the leads are on the same plane, I agree in theory
there should not be a problem.  Are there any special pick up nozzle
requirements for these?

-Jim
  

-----Original Message-----
From: Martin Butcher [mailto:[log in to unmask]] 
Sent: Friday, June 23, 2006 10:26 AM
To: 'TechNet E-Mail Forum'; James Verrette
Subject: RE: [TN] Leadformed metal can crystals with SMT jacket

Hi James,

If the part comes in on tape'n'reel it shouldn't be a problem for
pick'n'place machines to slap down.  I don't see the "clip" in the
drawing, just a recommended pad layout.  We have placed parts like these
with 1997 vintage machines.

Regards,
Martin

-----Original Message-----
From: James Verrette [mailto:[log in to unmask]]
Sent: Friday, June 23, 2006 6:50 AM
To: [log in to unmask]
Subject: [TN] Leadformed metal can crystals with SMT jacket


For cost an board space reasons we need to use a leadformed 2x6 mm metal
can crystal with a SMD clip like the part shown here:
 
http://www.citizencrystal.com/images/pdf/ks-cmj206.pdf
 
Not the exact manufacturer, but mechanically equivalent part in a
different frequency from Oscilent.  Is there anyone out there that is
using this type of package with the clip successfully in a high volume
application?  How are you putting it down?
 
 
Jim Verrette
Electrical Engineer
 

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