![]() ![]() Ok, so (to summarize what you said) the only difference is in the floating gate behavior. The STP55NE06 also had NONE! It's like this:Ĭan someone confirm that there is a pull up resistor and a diode inside the 2N7000? The STP55NE06 had NONE! additionally the 2N7000 has A DIODE from SOURCE to GATE. Wait this means that my theory with the 2N7000 having a internal pull-up resistor could be true.Īnyways, can someone tell me why 2N7000 behaves so differently compared to the STP55NE06 despite both being Mosfets?Įdit: I measured the resistance between the GATE and DRAIN of the 2N7000 and I'm surprised to see a 6.5k resistor between it. It honestly feels like the 2N7000 behaviour is like the STP55NE06 but with a pull up resistor on the gate.Īlso how come I can power the LED like this (albeit quite dimly): If I then disconnect LINK 2, the LED turns back ON. Then when I connect LINK 2, the LED turns OFF. ![]() If I then connect LINK 2, the LED turns OFF and when I disconnect LINK 2 it remains OFF. If I connect LINK 1, the LED turns ON and when I disconnect LINK 1, it remains ON as the MOSFET gate is floating towards the positive. The LED starts as OFF (assuming the MOSFET gate was previously set to ground). Simulate this circuit – Schematic created using CircuitLab Usually with the STP55NE06, when I connect like this: I recently bought a 2N7000 transistor and though it was a cheaper replacement MOSFET compared to the STP55NE06 as I didn't need to handle high voltages and high currents. ![]()
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