PCB Libraries, Inc. | https://www.pcblibraries.com/Forum/zero-orientation-and-pin-numbering_topic1515_post6135.html
: San Diego, CA Status: Offline Points: 5252 Post Options Post Reply Quote Tom H Report Post Thanks(0) Quote Reply Posted: 21 Dec 2014 at 5:57pm The Comchip Bridge Rectifier datasheet is 180 degrees out of IPC-7351C Level B Zero Component Orientation
PCB Libraries, Inc. | https://www.pcblibraries.com/forum/topic1515&OB=DESC.html
: 05 Jan 2012 Location: San Diego, CA Status: Offline Points: 5378 Post Options Post Reply Quote Tom H Report Post Thanks(0) Quote Reply Posted: 21 Dec 2014 at 5:57pm The Comchip Bridge Rectifier datasheet is 180 degrees out of IPC-7351C Level B Zero Component Orientation
PCB Libraries, Inc. | https://www.pcblibraries.com/Forum/sot353-with-different-pin-1-orientation_topic3061_post12216.html
: 74 Post Options Post Reply Quote ChrisChris Report Post Thanks(0) Quote Reply Posted: 20 Feb 2022 at 11:22am Hello, I have a somewhat odd example of an SOT353 package with 2 different pin 1 cases as follows
PCB Libraries, Inc. | https://www.pcblibraries.com/forum/sot353-with-different-pin-1-orientation_topic3061.html
:22am Hello, I have a somewhat odd example of an SOT353 package with 2 different pin 1 cases as follows: I created the SOT353 with the Calculator and then cloned the part and renamed it SOT353-180D
PCB Libraries, Inc. | https://www.pcblibraries.com/forum/topic3061&OB=DESC.html
: 74 Post Options Post Reply Quote ChrisChris Report Post Thanks(0) Quote Reply Posted: 20 Feb 2022 at 11:22am Hello, I have a somewhat odd example of an SOT353 package with 2 different pin 1 cases as follows
PCB Libraries, Inc. | https://www.pcblibraries.com/forum/topic846&OB=ASC.html
: 27 Jul 2012 Location: Netherlands Status: Offline Points: 27 Post Options Post Reply Quote Maarten Verhage Report Post Thanks(0) Quote Reply Topic: Zero orientation, still puzzeling to me
PCB Libraries, Inc. | https://www.pcblibraries.com/forum/zero-component-orientation-for-undefined-types_topic3027.html
. This implies vertical orientation with pin 1 at the top. This is in conflict with the General basic rule: The component orientation shall position pin one as being on the left-hand side of the component description
PCB Libraries, Inc. | https://www.pcblibraries.com/forum/component-zero-orientation-a-or-b_topic2389_post10648.html
: 05 Jan 2012 Location: San Diego, CA Status: Offline Points: 5011 Post Options Post Reply Quote Tom H Report Post Thanks(0) Quote Reply Topic: Component zero Orientation A or B
PCB Libraries, Inc. | https://www.pcblibraries.com/forum/component-zero-orientation-a-or-b_topic2389.html
? It seems like "level B" for most of the package types, but a demo of DFN-4 seems like a "level A"? Tom H Members Profile Send Private Message Find Members Posts Add to Buddy List Admin Group Joined
PCB Libraries, Inc. | https://www.pcblibraries.com/Forum/component-zero-orientation-a-or-b_topic2389.html
? It seems like "level B" for most of the package types, but a demo of DFN-4 seems like a "level A"? Tom H Members Profile Send Private Message Find Members Posts Add to Buddy List Admin Group Joined
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