[need help on BC337]

do u know any 2n**** transistors that could replace this, because the only transistors that are sold here are transistors with 2n****

thanks for the help  :)

[need help on BC337]

do u guys know any replacement transistor for BC337?

the circuit wherein this is transistor is used is in this link: http://www.redcircuits.com/Page64.htm

[Need advice on equivalent transistors of: SL100 and BC158A]

thank u so much    :D

[Advice on Equivalent transistors]

how will u know when a transistor u have replace from the project schematics will work? or how will u know if it is an equivalent of the previous transistor?

[Need advice on equivalent transistors of: SL100 and BC158A]

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?

[Need advice on equivalent transistors of: SL100 and BC158A]

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