E earlfsmith Well-known member Joined Aug 22, 2011 Messages 100 Oct 5, 2021 #1 Is it normal for these op amps to have the same number? My understanding is that each one had its own number. I’m wondering if I bought a fake op amp on eBay
Is it normal for these op amps to have the same number? My understanding is that each one had its own number. I’m wondering if I bought a fake op amp on eBay
I iampoor1 Well-known member Joined May 11, 2013 Messages 899 Location California Oct 5, 2021 #2 Thats the date code...Year and week.
E earlfsmith Well-known member Joined Aug 22, 2011 Messages 100 Oct 5, 2021 #3 iampoor1 said: Thats the date code...Year and week. Click to expand... Awesome thank you
M Majestic12 Well-known member Joined Jan 10, 2011 Messages 590 Location Germany Oct 5, 2021 #4 The 2N3055 is a transistor, not an opamp.
E earlfsmith Well-known member Joined Aug 22, 2011 Messages 100 Oct 26, 2021 #5 Majestic12 said: The 2N3055 is a transistor, not an opamp. Click to expand... Haha thanks for the correction
Majestic12 said: The 2N3055 is a transistor, not an opamp. Click to expand... Haha thanks for the correction
Whoops Well-known member GDIY Supporter Joined May 9, 2008 Messages 8,229 Location Portugal Nov 4, 2021 #6 https://forum.allaboutcircuits.com/threads/beware-of-recent-batches-of-fake-2n3055.118838/ https://www.eevblog.com/forum/beginners/fake-2n3055s/ https://bradthx.blogspot.com/2016/04/counterfeit-2n3055-transistors-from-ebay.html
https://forum.allaboutcircuits.com/threads/beware-of-recent-batches-of-fake-2n3055.118838/ https://www.eevblog.com/forum/beginners/fake-2n3055s/ https://bradthx.blogspot.com/2016/04/counterfeit-2n3055-transistors-from-ebay.html