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TO-220 (Through-Hole) Staggered Pads significant?

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Alex Quilty View Drop Down
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    Posted: Yesterday at 9:40am
Does it matter that the TO-220 Pads are staggered or in a row (assuming that the pads allow for proper clearance w/ no slivers)? 

When should I use the staggered pads and when should I use the aligned row of pads if they are significant?

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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: 23 hours 21 minutes ago at 11:38am
The only time you need to spread the terminal leads is -
  1. When the pin pitch is small and the pads violate the minimum pad to pad spacing
  2. When the component manufacturer's package comes with pre-bent leads
Otherwise, it's best to have the pads line up. 

The 'D' and 'D1' dimensions would be the same value. 

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