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Axial Component Alternative Symbol

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mhike08 View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote mhike08 Quote  Post ReplyReply Direct Link To This Post Topic: Axial Component Alternative Symbol
    Posted: 17 Nov 2021 at 11:56pm
I am newbie here.

I would like to ask what is the standard pitch for adding Alternative axial Component? 

Is there a range to be use to be able to get the Alternative Pitch.

Thanks for the response.

Michael

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Tom H View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote Tom H Quote  Post ReplyReply Direct Link To This Post Posted: 18 Nov 2021 at 9:12am
When you use Footprint Expert to calculate an Axial Lead footprint, do not fill in the Pitch Value. 

Let the Calculator figure out the Pitch. 

Then Round Up the pitch to the nearest 1.00 mm integer. 

If you're using mil units, Round Up to the nearest 100 mil value. 

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Post Options Post Options   Thanks (0) Thanks(0)   Quote mhike08 Quote  Post ReplyReply Direct Link To This Post Posted: 19 Nov 2021 at 1:34am
Meaning if I get pitch value of 16.05 then my alternative pitch would become 17mm?
Btw I am using Altium Designer.

Thank you

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Post Options Post Options   Thanks (0) Thanks(0)   Quote Tom H Quote  Post ReplyReply Direct Link To This Post Posted: 19 Nov 2021 at 9:34am
Since the pitch value is only 0.05 over 16.00 mm, make the pin pitch 16.00. 

I would say even if the calculation was 16.10 round down and anything larger round up. 

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Post Options Post Options   Thanks (0) Thanks(0)   Quote mhike08 Quote  Post ReplyReply Direct Link To This Post Posted: 21 Nov 2021 at 7:59pm
16 mm pitch was the initial value then I would like to add alternative footprint larger than 16mm then what would be the standard range or increment?

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Post Options Post Options   Thanks (0) Thanks(0)   Quote Tom H Quote  Post ReplyReply Direct Link To This Post Posted: 22 Nov 2021 at 9:48am
Normally, the larger the Axial Lead package is, the lead diameter gets larger too. 

There are no standards for what you are trying to accomplish so you must figure out the pin pitch and the hole and pad size. 
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