Identify an SMD component

From: Ed Kelleher <Pres_at_macro-inc.com>
Date: Sun Aug 29 16:51:45 2004

At 05:39 PM 8/29/2004, you wrote:
>I have two identical 72pin memory SIMMS out of an HP workstation. One is
>damaged by having a single 3pin SMD component physically destroyed, with
>only the leads remaining. The second is complete and functional. The
>damaged component's reference designation is CR5, so I am thinking it is a
>rectifier and not a transistor. The black plastic SOT-23 package is marked
>with 5A followed by a K rotated 90deg counter-clockwise.
>
>Any suggestions on how to identify the part? Is there a pointer somewhere
>to how SMD components are marked?

K is the typical symbol for the cathode.
It might work very well without it if it was reverse bias protection.
But it might have been used as a constant voltage drop of Vf.

Ed
Received on Sun Aug 29 2004 - 16:51:45 BST