I have often wondered this, so I can properly determine what a MOSFET can do by looking at the data sheet. Some, few, data sheets show a continuous drain current very close if not exactly what I'm looking for along with the very high continuous current numbers all other data sheets show. I have a link to a sheet I am currently interested in, it says things like 180A @10v continuous drain or 75A package limitation, but even 75A seems way too high to be a continuous value through those legs, maybe unless you had a big cool heatsink for cooling the body and a big cool heatsink soldered to the legs. I know brushless sensorless ESCs involve some low frequency switching at full throttle (no PWM), and under this condition is what I want to know the max continuous amps. I notice it says in the sheet @10v, what about at 65v for example? I know it can't withstand 180A at 65v for very long at a time, and I still highly doubt it could do the same at 10v 75A, but I don't know much about how they work, I'm just going off of experience with wire gauge heating vs amps, and the number of FETs it takes in an ESC to keep from overheating at xxx amount of amps.
So, please tell me what the value is I'm looking for and how to calculate it, so I can figure it out for myself next time.
http://www.irf.com/product-info/datasheets/data/irfs3207.pdf
thanks
So, please tell me what the value is I'm looking for and how to calculate it, so I can figure it out for myself next time.
http://www.irf.com/product-info/datasheets/data/irfs3207.pdf
thanks