Power supply to Arduino

Hello

Thanks once again by your great help!

Please confirm me the following. I'll need:
Resistor 1K
Diode 1N4001 - 0.11? (100V 1A)

Rectifier NPN 2N2222A - 0.73? (75V 0.8A 0.5W) Metalic Box
or
Rectifier NPN 2N2222 - 0.61? (75V 0.8A 0.5W) Plastic Box?

Thanks on advance
Best regards
Pedro Ferrer