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Date: | Wed, 6 Aug 2014 20:27:00 +0000 |
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That depends on hole type and class of hardware, see Tables 6.2 and 6.3 in J-STD-001.
Ben
From: [log in to unmask] [mailto:[log in to unmask]]
Sent: Wednesday, August 06, 2014 4:23 PM
To: Gumpert, Ben; [log in to unmask]
Cc: [log in to unmask]
Subject: EXTERNAL: RE: Post solder Component lead trimming
Ben,
Is there an associated min/max value with lead protrusion, 0.062 inches.
Victor,
-----Original Message-----
From: Gumpert, Ben [mailto:[log in to unmask]]
Sent: Tuesday, August 05, 2014 8:57 AM
To: TechNet E-Mail Forum; Hernandez, Victor G
Subject: RE: Post solder Component lead trimming
Victor,
J-STD-001 Rev E Para. 6.1.4 states that leads trimmed shall have the solder reflowed or inspected at 10X for damage.
And if the trim cuts into the solder fillet, it must be reflowed.
Ben
-----Original Message-----
From: TechNet [mailto:[log in to unmask]] On Behalf Of Victor Hernandez
Sent: Tuesday, August 05, 2014 9:33 AM
To: [log in to unmask]<mailto:[log in to unmask]>
Subject: EXTERNAL: [TN] Post solder Component lead trimming
Fellow TechNetters:
Does IPC Standards address the lead trimming of components on post solder assemblies. I heard that on post solder lead trimming that a second pass solder operation is required to ensure solder joint integrity from the lead trimming process. Any comments and/or direction for literature review.
Victor,
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