Aside from the possibility of intentionally sending the wrong parts, it is also possible that the units that measured 300Pf were really 270 Pf devices with 10% tolerance, all found on the plus side, 270Pf +27Pf =297 Pf, fairly close to 300. So they should have been marked 271 instead of 270. Also likely that somebody found a batch of 270Pf devices marked with the complete value instead of 2 digits and a multiplier. I have run into that and it is a pain. I think that it comes from unknowing purchasing people.
At this year's MD&M West show, lots of material suppliers are talking about new formulations for wearables and things that stick to the skin, whether it's adhesives, wound dressings, skin patches and other drug delivery devices, or medical electronics.
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