CrossRoads:
Out of those 3, only IRF530 has Logic Level gate in TO220 package
http://www.digikey.com/product-detail/en/IRF530NPBF/IRF530NPBF-ND/811762
You're right, thanks for pointing that out
CrossRoads:
Could you use something that is less costly?
PSMN022-30PL,127 Nexperia USA Inc. | Discrete Semiconductor Products | DigiKey
Those are just fine
CrossRoads:
Not sure what the current requirement was.
Anything above 1 Amp continuous per channel is fine.
Thanks