Electronics > Beginners
MELF Diode with Colour Ring
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exe:
I love melf... until I start soldering them.
MagicSmoker:

--- Quote from: Ysjoelfir on May 26, 2019, 03:52:11 pm ---
--- Quote from: Brumby on May 26, 2019, 02:36:15 pm ---
--- Quote from: MagicSmoker on May 26, 2019, 12:00:07 pm ---(mini rant: this is also an excellent object lesson in why you should never use MELF package parts!)

--- End quote ---

Dave might take exception to that.  He is a self-confessed MELF fan boy.

--- End quote ---

I may have missed it, but what is the problem with MELF? I personally love the package.

--- End quote ---

Huh, I didn't think this would be a controversial opinion, but hey, everyone has their preferences! I personally dislike MELF diodes because I can't reliably pick them up with the vacuum nozzle on my pick-and-place, and it seems the painted cathode mark/color bands come off too easily compared to the laser etching on epoxy body components (e.g. - SOD137, etc.). That said, laser-etched cathode marks aren't exactly easy to see, either.

Brumby:
I wouldn't be too concerned with differing opinion.  I'd bet money that the MELF fan boys don't use pick and place machines with them.
Ysjoelfir:

--- Quote from: Brumby on May 27, 2019, 12:57:33 am ---I wouldn't be too concerned with differing opinion.  I'd bet money that the MELF fan boys don't use pick and place machines with them.

--- End quote ---
That's correct. I populate my prototypes by hand and let someone else do the assembling when something goes into production. Never had complaints about MELF from the assembly house though. Is it really that hard to pick and place those? Sure, they aren't flat, but I thought the nozzles on the PnP machines are soft enough to wrap around a cylindrical component, aren't they?
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