Axial Component Alternative Symbol

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   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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mhike08 Members Profile Send Private Message Find Members Posts Add to Buddy List New User Joined: 17 Nov 2021 Status: Offline Points: 5	Post Options Post Reply Quote mhike08 Report Post Thanks(0) Quote Reply 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



Tom H Members Profile Send Private Message Find Members Posts Add to Buddy List Admin Group Joined: 05 Jan 2012 Location: San Diego, CA Status: Offline Points: 5719	Post Options Post Reply Quote Tom H Report Post Thanks(0) Quote Reply 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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mhike08 Members Profile Send Private Message Find Members Posts Add to Buddy List New User Joined: 17 Nov 2021 Status: Offline Points: 5	Post Options Post Reply Quote mhike08 Report Post Thanks(0) Quote Reply 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

Tom H Members Profile Send Private Message Find Members Posts Add to Buddy List Admin Group Joined: 05 Jan 2012 Location: San Diego, CA Status: Offline Points: 5719	Post Options Post Reply Quote Tom H Report Post Thanks(0) Quote Reply 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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mhike08 Members Profile Send Private Message Find Members Posts Add to Buddy List New User Joined: 17 Nov 2021 Status: Offline Points: 5	Post Options Post Reply Quote mhike08 Report Post Thanks(0) Quote Reply 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? Thank you

Tom H Members Profile Send Private Message Find Members Posts Add to Buddy List Admin Group Joined: 05 Jan 2012 Location: San Diego, CA Status: Offline Points: 5719	Post Options Post Reply Quote Tom H Report Post Thanks(0) Quote Reply 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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