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The IRF3205 is N-Channel MOSFET that can switch high currents up to 110A & 55V. It is mostly used for dynamic dv/dt rating and consumer full bridge projects. The specialty of the IRF3205 is that it has a very low resistance of only 8.0 mΩ making it suitable for switching circuits like DC-DC converters, motor speed control & Inverters, etc. It is also one of the easily available & cheap MOSFETS with low resistance. In this article, I am going to cover everything related to this MOS FIT transistor, its main features, pinout, working, and applications. The pin configuration of IRF 3205 MosFET is given in the diagram.
IRF3205 Pinout Pin# Name Symbol Type Function 1 Gate G P-Type Controls the current between Drain and Source 2 Drain D N-Type Electrons Emitter(Drain) 3 Source S N-Type Electrons Collector(Source) IRF3205 Pinout consists of 3 Pins in total.These pins, along with their name and type are given in below table. Electrons flow from drain to source terminal. The output current depends on the voltage applied to the gate terminal.
The source and drain of the transistor are made up of n-type material while the component body and the substrate are made up of p-type material. Silicon dioxide on the substrate layer gives this device a metal oxide semiconductor construction. MOSFET3205 is unipolar conduction carried out by the movement of electrons. The gate is separated from the body of the device by using an insulating layer. It is an N-channel which is why it is controlled by a gate terminal by providing positive voltages.
You can replace IRF3205 with IRF1405, IRF1405Z, IRF1407, IRF1607, IRF2805, IRF2907Z, IRF3205Z, IRF3305, IRF3808,IRFB3207Z, IRFB3207ZG, IRFB3256, IRFB3306, IRFB3306G, IRFB3307, IRFB3307Z, IRFB4110, IRFB4110G, IRFB4310, IRFB4310G, IRFB4310Z, IRFB4310ZGIRFB3006, IRFB3006G, IRFB3077, IRFB3077G, IRFB3206, IRFB3206G, IRFB3207.
