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No 3D STEP Polarity (1pin) Marker on SOIC Packages

Printed From: PCB Libraries Forum
Category: PCB Footprint Expert
Forum Name: Questions & Answers
Forum Description: issues and technical support
URL: https://www.PCBLibraries.com/forum/forum_posts.asp?TID=2426
Printed Date: 22 Nov 2024 at 7:05pm


Topic: No 3D STEP Polarity (1pin) Marker on SOIC Packages
Posted By: toshas
Subject: No 3D STEP Polarity (1pin) Marker on SOIC Packages
Date Posted: 16 Jan 2019 at 9:28am
Hi!
 
Unable to find polarity (1pin) marker on 3D step model.
Particular part - MCP23016-I/SO from Microchip.
 
Is it feature or bug ?
 
Thanks a lot!
 



Replies:
Posted By: Tom H
Date Posted: 16 Jan 2019 at 6:09pm
Are you using the new V2019.01 Library Expert?

The new release has updated SOIC 3D STEP polarity marking.


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Posted By: toshas
Date Posted: 16 Jan 2019 at 10:32pm
I haven't access to V2019.
So I'm on V2018 right now.


Posted By: Tom H
Date Posted: 17 Jan 2019 at 8:13am
The V2019.01 will be released soon to every one and the 3D STEP Polarity Marker is fixed.

We're just waiting for the programmers to put the finishing touches on it.

Someone reported this a couple weeks ago and it was fixed immediately for the Enterprise users in V2018.10 pre-release.


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Posted By: Nick B
Date Posted: 17 Jan 2019 at 1:28pm
You can now get the 2019.01 Pro from http://www.PCBLibraries.com/Downloads" rel="nofollow - www.PCBLibraries.com/Downloads
 
Regards,
Nick


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Posted By: toshas
Date Posted: 18 Jan 2019 at 2:00am

Thanks for the 2019.1 !

Actually not difference, mark on 3d doesn't exist.

 



Posted By: chrisa_pcb
Date Posted: 18 Jan 2019 at 9:36am
Can you send me the FPX you used to generate this part? I'll take a look at it.


Posted By: toshas
Date Posted: 18 Jan 2019 at 10:34am

I downloaded it from POD.

Manufacturer: Microchip
Part Number: MCP23016-I/SO
Case Code: C04-052
Datasheet: Download PDF
Footprint Name: SOIC28P127_1786X1034X264L83X43
 
I can upload .fpx but it is signed for my pod-key. I think it will not work on other pc.


Posted By: Tom H
Date Posted: 18 Jan 2019 at 12:30pm
The polarity marking for 50 mil pin pitch SOIC's is the chamfer along the top edge.

Metric pitch SOP's have a pin 1 dot (not inch based SOIC's).


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