I have a problem in finding sl100 and sl100b transistors to use in simple circuits like this:
http://www.circuitstoday.com/wp-content/uploads/2008/03/intruder-alarm-circuit-1.JPG
http://www.circuitstoday.com/wp-content/uploads/2008/04/fire-alarm-circuit.jpg
i want to know if there any other transistors to use to replace sl100 and sl100b
http://www.circuitstoday.com/wp-content/uploads/2008/03/intruder-alarm-circuit-1.JPG
http://www.circuitstoday.com/wp-content/uploads/2008/04/fire-alarm-circuit.jpg
i want to know if there any other transistors to use to replace sl100 and sl100b