[Diy_efi] Re: A 2N2222A can handle up to 50mA

[Phil Lamovie]

Automotive relays need 180 to 250 mA pull in current.

They can hold at half to a third if you care to P/H

I would suggest something a little more robust like a
BD139  NPN 80 volt 1100 mA and solid without a heatsink
for this purpose.


HTH

phil


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