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January 2015

TechNet@IPC.ORG

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Subject:
From:
Guy Ramsey <[log in to unmask]>
Reply To:
Date:
Wed, 21 Jan 2015 12:58:45 -0500
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We once received parts in a matrix carrier with the ceramic up for pick and
place. The precision resistor data sheet that specified the ink was to face
the board. Wonder if yours is from this vendor.

-----Original Message-----
From: TechNet [mailto:[log in to unmask]] On Behalf Of Victor Hernandez
Sent: Monday, January 19, 2015 3:51 PM
To: [log in to unmask]
Subject: [TN] Ceramic resistor pack, RPac

Fellow TechNetters:

   I didn't get a response the first time, so I posted the second time.

Would the ceramic Rpac performance be compromised if installed with the
carbon ink touching/facing toward the PWB solder mask surface.?   I have
always seen these SMT facing up/away from the solder mask surface.

Victor,

From: Hernandez, Victor G
Sent: Monday, January 19, 2015 12:48 PM
To: TechNet E-Mail Forum
Cc: Hernandez, Victor G
Subject: Ceramic resistor pack, RPac

Fellow TechNetters:

   Would the ceramic Rpac performance be compromised if installed with the
carbon ink touching/facing the PWB solder mask surface.?   I have always
seen these SMT facing up/away from the solder mask surface.

Victor,


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