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I had false triggering on my timer setup then I added a microF cap.

IRFZ30 Datasheet PDF – Samsung

Way too low for most Mosfet gates. The following posts were split off from the following old thread: Boncuk shows a schematic that isolates the trigger pin 2 of the timer with a transistor. With a 5V supply the datasheet of an ordinary shows that its output goes as irfz330 as only 3. False triggering of a timer. Perhaps a bipolar transistor would be better? Is this what you mean? On the LM you have a capacitor which is wrong in parallel with the ohm resistor from the output to the ADJ pin but the datasheet has only the resistor or the resistor with an added parallel diode when the ADJ pin has a capacitor to ground.

IRFZ30 Datasheet

Is a little 9V battery able to produce enough power to drive the motor? Replacing a 4 pin leaded inductor with a 2 pin Started by gkmaia Yesterday at I am using a ohm resistor ahead of the diodes because that is what I have.


Maybe the little 9V battery “falls on its face” when the high starting current of the motor causes its voltage to drop which causes a false trigger of the ? Keep it simple and cheaper! For a better experience, please enable JavaScript in your browser before proceeding. By continuing to use this site, you are consenting to our use of cookies.

Your pump needs a much higher current. Forums New posts Search forums. Thread starter jacbk Start date Mar datasheey, It might be necessary to use two diodes to form a simple OR function, but you might get away with changing the gate resistor to say 1K and having another 1K via your now low-current switch.

Potentiometer Questions Started by norbss Yesterday at Last edited by a moderator: Welcome to our site! To be honest, the LM isn’t really needed, it could be run directly off the battery.

Your schematic does not show a part number for your Mosfet. Started by fastline Yesterday at 8: Just saying hello Started by MichaelaJoy Yesterday at 6: Thanks for the schematic. I can tell by the sound of the pump, and allot less flow is being produced. I’m not an electro-tech guy but a mechanical engineer, way over my head.

Irfz03 here to register now. There are a few differences compared to the one I have tried and shown above.


You must log in or register to reply here. I’ve read so many threads where the original OP is OP right? Electro Tech is an online community with overmembers who enjoy talking about and building electronic circuits, projects and gadgets. I certainly will not, I appreciate all the help I can get.

To participate you need to register. Thanks Aardy, I’m kind of a newbie at this. Somewhere it says the motor is a 6V motor so maybe 9V is too much for it.

And yes, we need to know the spec of the pump motor Media New media New comments Search media. Consider some small 0. Jacques, Instead of a relatively high current switch to operate the pump motor, why not just provide a low-current with datzsheet resistor input to the MOSFET?

I will give this a shot. Nowhere says the size of the 9V battery.

I think even 10K’s would work, someone out there would know. Articles Top Articles Search resources. Wooops, I think I need to move the datashheet switch diode out ahead of the pin 3 diode.

Both the schematics in the 1st post of this thread show a 9v battery, but I will wait until jacbk replies – at least we are not wasting our time.

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