I am trying to find out why my current mosfet is not working by looking over the datasheet. Ultimately I am just trying to buy a mosfet that I know will work, but I want to understand the datasheets fully before purchasing. I am trying to drive a solenoid with a microcontroller and using the mosfet as a switch. The MC outputs 3.3 volts, and the solenoid is a 12V, 2 amp. Direct current. The mosfet is an RFP30N06LE. The MC goes high for 500ms then off. I have my circuit wired as below (ironically, this random picture even has the same mosfet as me)
I understand that a solenoid will require a flyback diode that is not shown. I do not currently have one, but I dont think that is the problem. In the datasheet here are the values I understand to be important to follow when sizing a mosfet.
Looking at the above data, it appears you need to apply a minimum of 1 volt to get the mosfet to begin opening. By 5 volts, the mosfet is fully open. I am applying 3.3 volts, so the mosfet is not fully open. However, according to the graph, a voltage of 3.3 to the gate allows for about 20 amps (albeit at 15 volts, not 12), which is more than my required 2. When I tried this in real life, I did not get a reaction from the solenoid at 3.3 volts. I then used an arduino 5 volt output to try and trigger the solenoid. Still nothing, but the mosfet got very hot. Finally, I applied 12 volts to the mosfet gate (above the MFG 10 volt maximum) and the solenoid opened.
What am i missing? Since this mosfet doesn't work, I want to get the Nexperia PMV28UNEA instead. It has a VGS of 0.45V - 1V (smaller), and an RDSon of 3.9 amps at 2.5V (I need 2 amps at 3.3V). I want to make sure I understand things before I buy it though.