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Forum Index : Microcontroller and PC projects : Component extreme packaging
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thwill Guru  Joined: 16/09/2019 Location: United KingdomPosts: 3971 |
Hi folks, Just received a single FT231XS from Farnell/Element-14 and the packaging is extreme: - Anti-static moisture barrier bag - 12 month shelf life - Big bag of silica gel - "Magic" card with blue dots -> pink to detect moisture Is this normal ? Best wishes, Tom Game*Mite, CMM2 Welcome Tape, Creaky old text adventures |
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| Volhout Guru Joined: 05/03/2018 Location: NetherlandsPosts: 3972 |
Hi Tom, Try "Quality Street" candy...(In Netherlands this stands for typical British candy). Metal can, wrapped in plastic shrink foil. Additional seal with transparent tape. Then all individual candy packed in transparent foil, then coloured metal coated non-stick paper, and then... you get to the candy. Yip, we live in that world...Trying to save the environment, by adding more waste... Volhout Edited 2024-07-22 19:25 by Volhout PicomiteVGA PETSCII ROBOTS |
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| PhenixRising Guru Joined: 07/11/2023 Location: United KingdomPosts: 583 |
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Mixtel90 Guru Joined: 05/10/2019 Location: United KingdomPosts: 6275 |
Yes, Tom, that's normal. Farnell take their anti-static handling very seriously. They actually have/had a special anti-static warehouse especially for the job. When you are shifting the amount of static-sensitive stuff that they do I can't really blame them. :) Mick Zilog Inside! nascom.info for Nascom & Gemini Preliminary MMBasic docs & my PCB designs |
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| thwill Guru Joined: 16/09/2019 Location: United KingdomPosts: 3971 |
Does the inclusion of silica gel and the moisture detecting card in the packaging for this component mean I shouldn't be following my normal procedure of giving the assembled PCB a scrub with IPA and subsequent rinse with water? Best wishes, Tom Game*Mite, CMM2 Welcome Tape, Creaky old text adventures |
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| Mixtel90 Guru Joined: 05/10/2019 Location: United KingdomPosts: 6275 |
Oh no. It has to be clean. You will, of course, be following it with multi-directional hot air drying followed by a water-extracting conformal coating, won't you? ;) I think the silica gel etc. is to reduce the chance of the Chinese 3-micron tin-plate over steel pins from falling off during a month's storage. :) Mick Zilog Inside! nascom.info for Nascom & Gemini Preliminary MMBasic docs & my PCB designs |
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Sasquatch Guru Joined: 08/05/2020 Location: United StatesPosts: 319 |
LOL IC's in plastic packages will absorb moisture from normal humidity levels in the atmosphere. If you send a "wet" IC through a hot air reflow oven, it can cause a small steam explosion similar to popping corn. There is a long drying process at lower temperatures (usually 120-150C) to insure that the IC is "dry" enough for processing at reflow temperatures. See J-STD-033 The "extreme" packaging, (Mylar bag, Silica Gel, moisture detector,) is meant to save you the hassle of re-drying the IC's if you are using a hot-air reflow process. -Carl |
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| al18 Senior Member  Joined: 06/07/2019 Location: United StatesPosts: 196 |
This standard packaging for Digikey and Mouser |
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| thwill Guru Joined: 16/09/2019 Location: United KingdomPosts: 3971 |
Thank you Carl, not a problem for me then since I'm hand-soldering the "wee-beastie". Best wishes, Tom Edited 2024-07-24 20:20 by thwill Game*Mite, CMM2 Welcome Tape, Creaky old text adventures |
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| ryanm Senior Member Joined: 25/09/2015 Location: AustraliaPosts: 198 |
I ordered a couple of hundred 18650 PCB mount battery holders from element 14 a while back. They posted out the single unit they had in Australian stock in a padded bag that day and then I got the rest from overseas later. You need a pair of them to mount the battery, not sure what I was supposed to do with the single. |
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