The difference in forward voltage drop between the 95SQ015 vs. the SR1503 under transmit load current is only about 0.15 V. Probably not worth the trouble to substitute the former.
Wayne N6KR ---- elecraft.com > On Mar 20, 2021, at 6:14 PM, Harlan Sherriff via Elecraft > <[email protected]> wrote: > > https://www.solidstateinc.com/product/95sq015/ > Has 133 in stock > > Sent from my iPhone > >> On Mar 20, 2021, at 7:54 PM, Bruce Forsberg <[email protected]> wrote: >> >> Just completed building a K2 kit. They had an SR1503 diode for D10 on the >> RF board. >> >> Bruce, WB6IZG >> >>>> On Sat, Mar 20, 2021 at 4:43 PM Geert Jan de Groot <[email protected]> >>>> wrote: >>> >>> The high-current low-drop diode 95SQ015, used in the K2 (it replaced >>> D10, SB530, because of it's favorable voltage drop) seems to be out of >>> production and out of stock in the likes of Mouser, Digikey and >>> Farnell/Newark. >>> >>> I hoped the component was just replaced by a SMD version but that >>> doesn't seem to be the case. From what I can see, low-drop diodes exist >>> but not with the current ratings that the 95SQ015 has. >>> >>> Has anyone found a replacement? >>> >>> Geert Jan >>> ______________________________________________________________ >>> Elecraft mailing list >>> Home: http://mailman.qth.net/mailman/listinfo/elecraft >>> Help: http://mailman.qth.net/mmfaq.htm >>> Post: mailto:[email protected] >>> >>> This list hosted by: http://www.qsl.net >>> Please help support this email list: http://www.qsl.net/donate.html >>> Message delivered to [email protected] >>> >> ______________________________________________________________ >> Elecraft mailing list >> Home: http://mailman.qth.net/mailman/listinfo/elecraft >> Help: http://mailman.qth.net/mmfaq.htm >> Post: mailto:[email protected] >> >> This list hosted by: http://www.qsl.net >> Please help support this email list: http://www.qsl.net/donate.html >> Message delivered to [email protected] > ______________________________________________________________ > Elecraft mailing list > Home: http://mailman.qth.net/mailman/listinfo/elecraft > Help: http://mailman.qth.net/mmfaq.htm > Post: mailto:[email protected] > > This list hosted by: http://www.qsl.net > Please help support this email list: http://www.qsl.net/donate.html > Message delivered to [email protected] ______________________________________________________________ Elecraft mailing list Home: http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/mmfaq.htm Post: mailto:[email protected] This list hosted by: http://www.qsl.net Please help support this email list: http://www.qsl.net/donate.html Message delivered to [email protected]

