BC 547

349

08:27:22

BC547 

published 7 years ago

sasa4250

7 years ago

Yes, flash!

josemado68

7 years ago

Hi. You need to put a resistor before the light, if you don't do that, the transistor will crash.

BillyT

7 years ago

@Jose the light is the resistors, the average wattage thru it is only about 22mW, I would agree that if the light was rated at 12V & power supply was also 12V it would be better, (only drawing 30mW peek), but mobile traffic lights that work on 12 Volt batteries actually use lights rated at 10V.

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