Re: [DML] Re: RPM-relay relay
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Re: [DML] Re: RPM-relay relay



> The only thing the coil is connected with is pin 15 giving it 12V
> after ignition and the collector of a BC338. The BC338 pulls
> the coil to ground (well allmost; you lose about 1,4V because
> of the transistor and a diode agains reversed polarity).

Jan,

I'm not up on transistor engineering like I should be, but my main concern
would be that you don't put too high a load through the transistor with the
new relay. Over a period of several hour's worth of driving, it could get
too hot.

Walt






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