N Channel Enhancement Mode MOSFET used for Power Source Reverse Polarity Protection 2N7000
Applying power to a circuit in the wrong direction may cause damage. Therefore, reverse polarity protection is often obtained by using a diode. However, diodes block some of the power supply voltage from the load. Thus, there is noticeable loss of power whenever using a diode. A MOSFET used in place of a diode will greatly reduce power loss.
I have some 2N7000 N channel enhancement mode MOSFETs from the Joe Knows Electronics component kit.
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