![]() ![]() ![]() Thanks for the comment! Ok I can try and find some MOSFETS in my class tomorrow. The PNP: P=IV, so 400mA X ~0.5V (from C to E) = 200mW. 005 ohm and you had 400mA thru the motor : P=I^2 x R = 0.8mW I bet you will see that too much current is going thru the PNP transistor.ĭo you have access to Logic Level MOSFETs? They have very low turn-on resistance, like in milli-ohm range, so will not dissipate a lot of power. Soon I'll post a diagram of wiring and stuff. But, my transistors heat up ALOT after using the motors. Ok thanks for all that great info i can soak in and use. With your small motors there is no big advantage. Have less losses in higher current applications. Lastly, what is the difference between using a MOSFET for this and a normal transistorįrom a software point of view no difference, from a hardware point of view mosfets can Most switching applications used with arduino outputs using mosfets do use N type as a low side switch. I would have to see a drawing of your wiring to see if you are driving your motors correctly or not. Which is a PNP transistor and most arduino switched applications use a NPN transistor as a low side switch. ![]() Yes, but there would be no special advantage as your motors seem to be small to be able to be switched with small 2N3906 transistors. *This information is for general informational purposes only, we will not be liable for any loss or damage caused by the above information.Good, otherwise unlimited current would harm both the output pin and the transistor.īefore I show you the code could I use MOSFETS in place of the transistors? The company was acquired by ON Semiconductor in 2016 and its products and technologies continue to be developed and sold under the ON Semiconductor brand. The company was known for its innovation in the development of the first commercial transistor and for its contributions to the advancement of the integrated circuit technology.įairchild became a leading supplier of power semiconductors, analog and mixed-signal integrated circuits, and other semiconductor products. Fairchild Semiconductor was a pioneering semiconductor company that was founded in the late 1950s. ![]()
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