|
|
Tolerance |
Post Reply 
|
| Author | |
Hassan Moaaz 
Active User 
Joined: 05 Sep 2016 Status: Offline Points: 22 |
 Post Options
 Thanks(0)
 Quote Reply
 Topic: TolerancePosted: 11 Apr 2018 at 8:52am |
|
Hello,
Why i can't generate footprint with tolerance not equal plus and minus and when i add values as example below it change automatically As example D = 1 - 0.1 +0.2 ? to be 1.05 +/- 0.15 Also How can i generate footprint for package SOT-89 it found in reference but i can't found in tool  |
|
 |
|
|
|
|
Tom H
Admin Group 
Joined: 05 Jan 2012 Location: San Diego, CA Status: Offline Points: 5719 |
Post Options
Thanks(0)
Quote Reply
Posted: 11 Apr 2018 at 10:54am |
|
When you have different +/- tolerances, enter the Min/Max data instead of Nominal + Tolerance.
When you enter the Min/Max data, a new Nominal dimension will be auto generated. The Nominal = the value between the Minimum and Maximum. This will also affect the Footprint Name, which uses the Nominal dimensions. |
|
|
|
|
Batiskaff
Advanced User 
Joined: 30 Apr 2018 Status: Offline Points: 65 |
Post Options
Thanks(0)
Quote Reply
Posted: 30 Apr 2018 at 4:50am |
+1 good question. How to сreate SOT-89? |
|
|
|
|
Tom H
Admin Group
Joined: 05 Jan 2012 Location: San Diego, CA Status: Offline Points: 5719 |
Post Options
Thanks(0)
Quote Reply
Posted: 30 Apr 2018 at 7:29am |
|
SOT-89 has an irregular shape pin 2 and it's a different shape and size for every mfr.
Library Expert cannot auto-generate irregular pad shapes yet as this requires associated copper poly shapes. We manually create SOT-89 and upload them to POD. Check the mfr.'s Diodes and NXP for the Case Code SOT89 or SOT-89 and download those parts. If you have a new SOT-89, we'll be glad to build it for $5 and share it with everyone else for free download. |
|
|
|
|
Post Reply
|
|
| Tweet |
| Forum Jump | Forum Permissions You cannot post new topics in this forum You cannot reply to topics in this forum You cannot delete your posts in this forum You cannot edit your posts in this forum You cannot create polls in this forum You cannot vote in polls in this forum |
Topic Options
Hassan Moaaz wrote: