Jpop Posted July 25, 2005 Report Share Posted July 25, 2005 are there equivalent transistors for SL100 and BC158A? any help is greatly appreciated.this is the link of the circuit:http://www.electronic-circuits-diagrams.com/alarmsimages/alarmsckt10.shtml Quote Link to comment Share on other sites More sharing options...
hotwaterwizard Posted July 26, 2005 Report Share Posted July 26, 2005 Welcome to uor forum!1 tiny post deserves an answer. Here are the Datasheets.SL100 and BC158ASL100Click Here For SL100 DatasheetBC158AClick Here For BC158A Datasheet Quote Link to comment Share on other sites More sharing options...
Jpop Posted July 26, 2005 Author Report Share Posted July 26, 2005 anyone have any suggestion on the equivalent/substitute for the transistors of SL100 and BC158A? or anything in general on how to find a replacement for the transistors? Quote Link to comment Share on other sites More sharing options...
audioguru Posted July 26, 2005 Report Share Posted July 26, 2005 Just about any little transistor will work in that simple circuit.I would use a 2N3906 to replace the BC158A, and a 2N3904 to replace the SL100.The American transistors have a reversed pins layout from the Euopean transistors. ;D Quote Link to comment Share on other sites More sharing options...
Jpop Posted July 27, 2005 Author Report Share Posted July 27, 2005 thank u so much :D Quote Link to comment Share on other sites More sharing options...
HERCULES Posted November 22, 2006 Report Share Posted November 22, 2006 Well, i just came in this forum,,, could any one help me to find a substitute for the SL100, the circuit its a little complex (An Oscilloscope) and i dont know if that one is the only one that fits in that ciucuit.thanks Quote Link to comment Share on other sites More sharing options...
mvs sarma Posted November 22, 2006 Report Share Posted November 22, 2006 Hi HERCULES welcomeBC158A cPNP transistorv an be substituted by 2n2907A taking care of the pin differences SL100 is a medium power device, and if from india, you get CL100, BEL100Notherwise, you may perhpas try BD115 Quote Link to comment Share on other sites More sharing options...
HERCULES Posted November 23, 2006 Report Share Posted November 23, 2006 Thank You So much: mvs sarma.. that would be very helpfull. by the way.. i´m making an oscilloscope, i have a basic ciucuit that i´m tring to build.. but, do you or some one know a PC oscilloscope that can be functional...?? Quote Link to comment Share on other sites More sharing options...
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