The TO package is universally preferred for all. The low thermal. Absolute Maximum Ratings. T STG. Power Dissipation. Linear Derating Factor.
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Pin Number. Pin Name. Current flows out through Source. Current flows in through Drain. 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. So if you are looking for a Mosfet to switch applications that consume high current with some logic level devices then this Mosfet will be a perfect choice for you.
Meaning, they can be turned on or turned off by supplying the required Gate threshold voltage VGS. When a gate voltage is applied these pins gets closed. The below circuit shows how this mosfet behaves when the Gate voltage is applied 5V and not applied 0V. Since this an N-Channel mosfet the load that has to be switched in this case a motor should always be connected above the drain pin.
When you turn on a Mosfet by supplying the required voltage to the gate pin, it will remain on unless you supply 0V to the gate. To avoid this problem we should always use a pull-down resistor R1 , here I have used a value of 10k. To tackle this we should use a current limiting capacitor, I have a used a value of here.
If you are designing a PCB or Perf board with this component then the following picture from the 2N Datasheet will be useful to know its package type and dimensions. Subscribe to stay updated with industry's latest Electronics components and news. I'm a beginner in Electronic so there are some parts that I still don't understand, but I will try harder! I'm not sure of me because I'm a very beginner in the Electronic world!
Specifications on data sheets are manufacturer specific. The same device in the same package will usually have slightly different specs from different manufacturers.
Component Datasheet. IRFN Datasheet. Get Our Weekly Newsletter! Thank you again for your article! Brice France. Mistake or different manufacturer? Regarding Brice's comment. I think the suffix N makes all the difference.
IRF9540N P-Channel MOSFET - TO220
IRF9540N MOSFET. Datasheet pdf. Equivalent