Re: U1 fried
There's a photo at the end of that webpage where I can just barely read a "CX" logo on their problematic TDA2822.toggle quoted messageShow quoted text
So WX and CX are perhaps best avoided?
I have no idea who "CX" is, though possible what I am seeing is a clone of a Sony part number? (google Sony CX767)
Perhaps Steve could tell us more about how those parts are marked.
On Thu, Mar 1, 2018 at 02:23 pm, G1KQH wrote:
Recently I found some TDA2822's on ebay from China, I got the GQRP club to purchase a batch ( I bought 50 too ). Tony Fishpool (G4WIF) setup up a test and found although they worked well at low Volts they got hot over 7V!: