TAKE A CHILL PILL!
Personally, I think it best to use a test circuit similiar to the final circuit you are going to use the transistor in, not a 9 volt battery. You have to operate the transistor close the voltage level in the final circuit and measure collector current. You will find that the transistors you bought vary much so buy about a 100. Ray
Personally, I think it best to use a test circuit similiar to the final circuit you are going to use the transistor in, not a 9 volt battery. You have to operate the transistor close the voltage level in the final circuit and measure collector current. You will find that the transistors you bought vary much so buy about a 100. Ray
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