showing how I can put the diode on the load?
The diagram you showed seems right.
The diode should be connected as close as possible to the solenoid terminals.
YES, you need a diode even on 'small' inductances like your solenoid.
showing how I can put the diode on the load?
The diagram you showed seems right.
The diode should be connected as close as possible to the solenoid terminals.
YES, you need a diode even on 'small' inductances like your solenoid.