IRFP 20A, V, Ohm, N-channel Power MOSFET. This N-Channel enhancement mode silicon gate power field effect transistor is an advanced. Parameter. Max. Units. ID @ TC = 25°C. Continuous Drain Current, VGS @ 10V. ID @ TC = °C. Continuous Drain Current, VGS @ 10V. IRFP N-CHANNEL V – Ω – A TO PowerMesh™II MOSFET s. TYPICAL RDS(on) = Ω s. EXTREMELY HIGH dv/dt CAPABILITY.

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At 5 volts it may be 5A while at 10 volts it may be 50A. Trying to remember programming C from 25yrs ago.

IRFP TO N-CH MOSFET [] : Sunrom Electronics/Technologies

You don’t need to look at the max current because if you do your sums right with Rds on you’ll never be anywhere near this, its an extreme thermal limit. I am trying to find a 3 or 4 amp transistor that the arduino can turn on. And if you have an Internation Rectifier datasheet they lie blatantly about max current anyway. You may also be interested in the body-diode’s performance and the Vgs max datasheeet the plateau voltage usually only hinted at in graphs.

There’s so many different drivers to choose from. I am thinking of driving the mosfet gate using a push-pull setup with npn pnp BJT transistors. I want to make sure that I am buying the right mosfets for the job, because these things can be rather expensive.


I’ve been doing some reading, and I think for my purposes I’ll be needing a mosfet driver. So I need the bigger mosfets. I’m not using the mosfets to drive 24 volt robot motors.

Understanding MOSFET datasheets

They are considerably higher than what it will run with continuously. There are others but make sure they are fully on at 5v on the gate. Johannesburg hams call me: Datasheeet is important especially when you use PWM as it will get excessively hot satasheet the R. EG, at 2 volts on the gate the current is very low. Or does the source voltage have to be 0 as well for the mosfet to turn off?

I hope they work with the mosfets I ordered. It varies according to the device. Also, will the mosfet turn off when the gate voltage is dropped to 0? The key parameters you need to look at in a datasheet are: So they work fine with the pwm from the arduino?

Here’s the datasheet stats for those transistors: When you remove the gate voltage, there is a time taken to discharge the gate capacitor internal. Read the data to see what the series resistance and possible current flow at a particular gate voltage.

It works with 5v on the gate and handles a few amps with ease. I’m sure we’ve been here before with this, but I’ll suggest these drivers again to you from that other thread we were having discussions. Here is datasheey mosfet I was thinking of buying. I bought mine from RS Components.


MarkT Brattain Member Posts: If anyone could tell me the vital information that I need to know about it, that would be very helpful. JimboZA on Feb 04, Any suggestions on a driver that works well with the arduino outputs?


The maximum specifications are ifp460 that, maximum that can’t be exceeded. The basics that I need to know are the following: I am planning on purchasing some mosfets for a number of projects I have on the go at the moment.

Therefore it is best to have a discharge resistor from gate to Gnd. I want to make sure that Datsheet am reading and understanding the datasheets, and was hoping some of you people could clarify things for me. With the arduino, you need is a logic level gate mosfet. I just don’t remember if this is how a mosfet works too.

Its best to use a gate drive voltage about twice the plateau voltage as this gives roughly symmetrical switching times. I’m using them for a load at v – v at 10amps.