SOP With Flat Lead

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   Just trying to create the footprint for this "exemplar ":
https://www.nxp.com/docs/en/package-information/SOT1429-1.pdf 

I don't know how it will be soldered. Will the leads bended or not?

What is the pad length should be?

I think  Pad Length = (He - E3)/2 + Toe + Heel

Any ideas or recommendations for this type of package?

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Batiskaff Members Profile Send Private Message Find Members Posts Add to Buddy List Advanced User Joined: 30 Apr 2018 Status: Offline Points: 65	Post Options Post Reply Quote Batiskaff Report Post Thanks(0) Quote Reply Topic: SOP With Flat Lead Posted: 19 Apr 2019 at 6:16am
	Just trying to create the footprint for this "exemplar ": https://www.nxp.com/docs/en/package-information/SOT1429-1.pdf I don't know how it will be soldered. Will the leads bended or not? What is the pad length should be? I think Pad Length = (He - E3)/2 + Toe + Heel Any ideas or recommendations for this type of package?



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: 5941	Post Options Post Reply Quote Tom H Report Post Thanks(0) Quote Reply Posted: 19 Apr 2019 at 8:20am
	That's a big heat sink package. If you're purchasing this part from NXP, you should ask them for their mfr. recommended solder pattern. This large package is outside the scope of any standard package.
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