very well explained. but I have a question:: for IRF3205, Continuous Drain Current=110A (25 degC) and Continuous Drain Current=80A (100 degC). Package limitation current is 75A. How a ~2 square mm(cross section) pin can handle 80A ???? or 100A? not even at 0 Kelvin ....
what is the maximum current the to-220 package can handle? without burning? at constant duty. keeping it under about 50°C? I am self taught in electronics. so I likely haven't been the best teacher. is the to-220 the best package FET for high current switching for motor controllers and power supply's? does it have the best cooling and current capability? I to-220 is the package I always think of when I think MOSFET! great video. I don't understand all of it. but I'll keep watching until I do! seriously when I don't understand something I Google. and search RU-vid. since I have no one to ask. thanks for great informative videos..
We need more videos on decoding the spec sheet for all devices and in this case it was focused on FETS and just what I was looking for: detailed and informative.
Sir , all here is explained well but it assumes a constant duty cycle. Could you tell us how to determine a mosfet selection for 3 Phase Motor inverter. In such case the duty cycle is changing along the sine wave period. So which duty cycle take into account ? On the very period begining the pulses are shorter than in sive wave peak. Just for example 800W PMSM motor 220V and 4.5A current.
It should not impact the SOA, given that in general SOAs are given for pulses under saturation conditions, i.e. out of the ohmic region. In those cases, the conduction losses in the device will excede the switching losses by several orders of magnitude.
