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- Anyone know if On Semi ever made IRF840
- Mark Harriss
August 17, 2008, 1:33 pm
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Just bought some cheap IRF840's which turned up today with a poorly
printed part number and the ON Semi logo sloping downhill at an angle.
I tried searching for the part number on their website but don't get
any hits so far so I'll keep looking at this stage.
I popped the TO-220 packages on an old IR brand IRF840 and the
new item and they both appear to have a similar sized silicon die:
IR brand-6x4.5mm ON brand-5.5x4mm
Has anyone here ever bought IRF840's from ON semi?.
Re: Anyone know if On Semi ever made IRF840
Just got a reply back from ON Semi tech support in 15 minutes:
Hello Mark Harriss,
Thank you for contacting ON Semiconductor.
The IRF840 was manufactured by ON Semi in the past but it was
discontinued back in December 2001.
Best Regards, JanG
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