IRF540N PDF

This mosfet can drive loads upto 23A and can support peak current upto A. It also has a threshold voltage of 4V, which means it can easily driven by low voltages like 5V. Hence it is mostly used with Arduino and other microcontrollers for logic switching. Speed control of motors and Light dimmers are also possible with this Mosfet since it has good switching characteristics.

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The device is extremely versatile with its performance capabilities and thus becomes ideal for numerous electronic applications. The datasheet and pinout details of the device has been explained in the following article. Main Features: Sophisticated, cutting-edge processing technology used.

Extremely low resistance across load path. Operating temperature tolerance capacity as high as degrees Celsius. Very fast switching capability. Fully resistant against avalanche or peak surge currents.

Applications Areas This device is best suited for high power DC switching applications, such as in high current SMPS power supplies, compact ferrite inverter circuits, iron core inverter circuits, buck and boost converters, power amplifiers, motor sped controllers, robotics etc. The drain should be connected to the positive terminal of the supply via the load which needs to be operated by the device.

If the trigger input is not a logic source make sure the gate is permanently connected to ground via a high value resistor. When the device is being used for switching inductive loads like a transformer or a motor, a flyback diode should be normally connected across the load, with the cathode of the diode connected to the positive side of the load.

However, the IRFN has a built in avalanche protective diode, therefore typically an external diode may not be required; it may be incorporated in case yu wish to provide extra safety to the device. Corrections to the above explanations is welcome.

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