raka007 Posted April 25, 2007 Report Share Posted April 25, 2007 Dear ALL,I have a mosfet and a diode(fast recovery) in TO220 package 3 pinsMOSFETtop side_________ | |======= 0 |IRF640N|=======__|______ |=======Please help me know which is Drain pin , source pin , gate pin ???_________ | |======= 0 |BYQ28E |=======__|______ |=======Please help me know which is A1, A2 and K pin ???Regards Quote Link to comment Share on other sites More sharing options...
audioguru Posted April 25, 2007 Report Share Posted April 25, 2007 Why not look at the datasheet for the part to see which pin is which?You can get datasheets from Google, but I get most from www.datasheetarchive.com and from many other sites. Quote Link to comment Share on other sites More sharing options...
raka007 Posted April 25, 2007 Author Report Share Posted April 25, 2007 audioguru thanku , IRF640 has its pinouts on the very last pages of the datasheet , thanku for pointing out reading the datasheet actually I dont know why they have given pinouts in package details? Quote Link to comment Share on other sites More sharing options...
audioguru Posted April 25, 2007 Report Share Posted April 25, 2007 Hi Raka,They don't show pinouts in the package details because pinouts are different for different transistors.The BC547 and the 2N3904 transistors are nearly identical and both have the same TO-92 package. But their pinouts are completely opposite.Some RF transistors in the TO-92 case have a different pinout for better shielding. Quote Link to comment Share on other sites More sharing options...
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