Folks, Got numerous tape & reel stacks for frequently used passives, mostly 0805. The older kind, white paper-like with the parts in their li'l dungeons and some milky plastic tape above. Mostly pre-RoHS, meaning leaded. Solderability has never been an issue even after decades (early adopter). But taoe & reel gets old, uses lots of space and it takes longer to get at a 0.01u cap than reaching into a bin. So I am thinking about ripping them all open and dumping the parts into vials, paper pouches and pill containers. Or does such old tape & reel still protect against oxidizing effects? -- Regards, Joerg

I highly doubt it. ESD can be an issue for some of these parts, though. I use something like these for my parts stock for the bench: Having the containers all the same size helps storage a lot.

rly ing ? ot a t once :)) I rs res ed ll you can get similar boxes from ebay but then you'll have to fill and label yourself -Lasse

Older tape & reel, does it protect better than loose (bulk)?

Apr 15, 2016 44 Replies

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John Larkin 10 years ago

That was done by The Brat. There's an LTC 12-bit 250 MHz LVDS-output ADC driving the FPGA, all a couple of inches away from the switching power supply. Somehow it works. Noise is about 1 LSB RMS.

The customer kept adding functions to the FPGA, and it kept getting hotter, so we added a pin-fin heat sink on top and gap-pad thermal transfer stuff between the bottom of the board and the case.

So then the customer mounted six of them in a 3x2 array, with the middle two sandwiched, no cooling, no air flow. People noticed that the units were running really hot, they formed a Tiger Team to investigate, and they added this:

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Nice syntax.

John Larkin Highland Technology, Inc picosecond timing precision measurement jlarkin att highlandtechnology dott com http://www.highlandtechnology.com

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Joerg 10 years ago

The part arrangement almost looks like a military exercise yard. ATEEEN...SHUN!

Is that big toroid transformer a custom part? Must have been designed by an Italian.

And then you get sued because it didn't have the warning in Spanish :-)

Regards, Joerg http://www.analogconsultants.com/

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krw 10 years ago

Very nice. If I can figure out how to get them through purchasing (ordering stuff from companies that aren't in the system can be a chore), I'll probably buy a set. Thanks!

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Lasse Langwadt Christensen 10 years ago

rly

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ot a

t once

:))

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you can get similar boxes from ebay

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but then you'll have to fill and label yourself

-Lasse

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krw 10 years ago

That would cost far more than the money saved but it might be a good idea for odd stuff. I only need a full set of 0402 resistors but we do use a hand full of values in larger sizes for special purposes. These would be handy for them.

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