[sdiy] Can I use two 1/4w resistors instead of one 1/2w ?

Magnus Danielson magnus at rubidium.dyndns.org
Tue Jun 23 01:52:30 CEST 2009


Hi Gil,

Gil W. wrote:
> A theoretical question:
>
> Schematic calls for a single 1.2K, 1/2W resistor.
>
> What if I use two parallel 2.4K, 1/4W resistors instead ?
>
> Will each one of them get half the current, 
> making it possible to use the two 1/4W resistors instead of
> on 1/2W resistor ?
Yes, that works fine. The current will divide evenly due to the 
resistance match fairly well. Current balance between power transistors 
is done with the help of resistors.

Cheers,
Magnus



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