Jul 29, 2013 #1 K ken2028 Newbie level 3 Joined Feb 25, 2013 Messages 4 Helped 0 Reputation 0 Reaction score 0 Trophy points 1,281 Activity points 1,307 PNP help I figured out the pinouts.. Can someone point to me a better substitute. The originals work fine after 3 months then it burns out again. Maybe there is a better one out there? PNP 1- Emitter 2- Base 3- Collector hFE=292 Uf= 765m
PNP help I figured out the pinouts.. Can someone point to me a better substitute. The originals work fine after 3 months then it burns out again. Maybe there is a better one out there? PNP 1- Emitter 2- Base 3- Collector hFE=292 Uf= 765m
Jul 29, 2013 #2 betwixt Super Moderator Staff member Joined Jul 4, 2009 Messages 16,275 Helped 5,140 Reputation 10,309 Reaction score 5,132 Trophy points 1,393 Location Aberdyfi, West Wales, UK Activity points 137,746 That information doesn't really help. Do you know it's actual part number or alternatively, can you show the schematic it is used in. Brian.
That information doesn't really help. Do you know it's actual part number or alternatively, can you show the schematic it is used in. Brian.
Jul 30, 2013 #3 kam1787 Advanced Member level 3 Joined Jul 5, 2010 Messages 926 Helped 167 Reputation 340 Reaction score 168 Trophy points 1,323 Location English Activity points 5,825 betwixt said: can you show the schematic it is used in. Click to expand... with details on voltage, load, etc
betwixt said: can you show the schematic it is used in. Click to expand... with details on voltage, load, etc
Aug 15, 2013 #4 eddwhatley Junior Member level 2 Joined Jul 30, 2002 Messages 21 Helped 0 Reputation 0 Reaction score 0 Trophy points 1,281 Location Mesquite Texas Activity points 151 Try a heftier PNP like a 2N2905 in a TO-5 metal casing, for proviinng at least twice or triple the originals power spec. The original is only borderline overloaded if its handling 3 months of use , if being in use daily ? 73's de Edd
Try a heftier PNP like a 2N2905 in a TO-5 metal casing, for proviinng at least twice or triple the originals power spec. The original is only borderline overloaded if its handling 3 months of use , if being in use daily ? 73's de Edd
Aug 15, 2013 #5 tpetar Advanced Member level 7 Joined Sep 27, 2010 Messages 6,417 Helped 1,713 Reputation 3,456 Reaction score 1,673 Trophy points 1,393 Location Pancevo-Belgrade, Serbia Activity points 37,363 ken2028 said: PNP help I figured out the pinouts.. Can someone point to me a better substitute. The originals work fine after 3 months then it burns out again. Maybe there is a better one out there? PNP 1- Emitter 2- Base 3- Collector hFE=292 Uf= 765m View attachment 94160 Click to expand... Describe device and where transistor is used. Maybe you should look elsewhere for source of problem. Best regards, Peter
ken2028 said: PNP help I figured out the pinouts.. Can someone point to me a better substitute. The originals work fine after 3 months then it burns out again. Maybe there is a better one out there? PNP 1- Emitter 2- Base 3- Collector hFE=292 Uf= 765m View attachment 94160 Click to expand... Describe device and where transistor is used. Maybe you should look elsewhere for source of problem. Best regards, Peter