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20:12
@AnindoGhosh don't know that name but it is a reformed version of the PTH with the leads bent and trimmed in second operation on the molding machine. Don't know if that helps ...
@AnindoGhosh "SMT Gullwing Lead-Form"
@rawbrawb I needed a package name to check for any popular footprints for it: The E and C are high current, I need to figure out if there's something that needs doing around the pads for those two.
@ThePhoton you trying to tell him he can't read? .... ;)
@ThePhoton LOL :-)
@AnindoGhosh It's 4 leads. Just draw your own footprint. It's not like a 1600-ball BGA or something.
20:15
@ThePhoton Yes, already did that, applied it, sent board off to fab, then had an afterthought, is there a best practice?
@AnindoGhosh High current just means keep your tracks wide. If it's not super-high impedance or high voltage I don't think you need to worry specially about separation distances.
But how high is high current? I can't imagine an optocoupler doing even 1 A.
@ThePhoton Nahh, the 817 is a baby opto. There's a triac driver in the same package which does more, but I can't find the datasheet / part number right now.
@AnindoGhosh I think you'll be fine. The tracks connecting to it should be more important than the footprint of the part.
@ThePhoton Yup. Thanks :-)
With the triac off you're not trying to block 100 V or something?
20:25
@ThePhoton 220
@ThePhoton Up to 240 @ 15 Amps
@ThePhoton But the triac driver will merely drive the triac. The current board uses a low voltage sugarcube relay for the prototype, once this stabilizes the triac driver and triac will be swapped in on the next layout.
 
1 hour later…
21:55
good morning
22:47
Good night :-)
23:19
Good day
'Afternoon
I moved my computer from my desk to the lab and back ,,, and now suddenly there's a 1000 new DRC violations in my Altium design >:(
@ThePhoton do you think they are related?
@rawbrawb Dunno. It's bizzarre. All (?) the violations are for silkscreen over pads and solder mask sliver. Which never got caught by the online DRC until just now.
@ThePhoton maybe you bumped the computer and that shifted the silk screen. I suspect you forgot to pin the corners.
2
@rawbrawb Maybe when I was carrying the computer around all the silkscreen started sliding off the board?
23:30
@ThePhoton could be, I bet you your desk was pretty level so it never slid before, therefore you never noticed it.
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