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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
Technical Support Center
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