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Can i use this transistor instead of a relay Quote Wed Apr 30, 2: The fan, however, k2545 mosfet datasheet an inductor, and won’t allow the current k2545 mosfet datasheet reduce to zero immediately. It depends on the gain of the transistor, and how much current the fan takes.
The resistor doesn’t need to mosfte precise – ohms is close enough.
Can i use this transistor instead of a relay – Raspberry Pi Forums
I think the OP may be misunderstanding the direction of the required diode across the fan. My favourite constant datsheet. They’re not always easy to search for.
One of the best lines I’ve k2545 mosfet datasheet on this board lately. Can i use this transistor instead of a relay Quote Wed Apr 30, Oh, yes, not to forget Can i use this transistor instead of a relay Quote Thu May 01, 3: If you’re going to use a bipolar transistor to turn the FET on, then vatasheet may just as well go back to the modified version of your original transistor circuit with a R to R resistor in k2545 mosfet datasheet with the base.
This is what I was afraid of as the ratasheet specified a threshold voltage of v obviously 3. Can i use this transistor instead of a relay Quote Wed Apr 30, 4: Thu May 01, 7: And some folks need to stop being k2545 mosfet datasheet and see the forest behind the trees.
However, we must work with what we have. It’s more than adequate to control your less than mA fan.
Thu May 01, Can i use this transistor instead of a relay Quote Thu K2545 mosfet datasheet 01, 8: The image below is one I dug out from a project I daatsheet some time back.
RasPi doesn’t need cooling in environments where a human kind can survive. Thu May 01, 8: Tue Apr 29, 2: No registered users and 3 guests. k2545 mosfet datasheet
mosfst One would be to convert the 3. You’ll probably damage the GPIO pin with that circuit otherwise. If you have any transistors datashet around, let me know what they are and we should be able to knock together a circuit which will fix your problem without having to buy any extra bits If you wanted to switch a MOSFET on, directly from the PI, a logic-level MOSFET would be required as shown in k2545 mosfet datasheet first post.
Thu May 01, 6: How about when you someday replace the mA with one that draws substantially more power? Imagination and Determination ; the latter k2545 mosfet datasheet ten times greater than the former.
K Toshiba Semiconductor, K Datasheet
Can i use this transistor instead of a relay Quote Thu May 01, 6: Can i use this transistor datasheeet of a relay Quote Tue Apr 29, Tue Apr 29, At the point when the GPIO is set low, the transistor switches off, and won’t allow current to flow through it. Can i use this transistor instead of a relay Quote Fri May 02, Last edited by k2545 mosfet datasheet on Thu May 01, A 1k resistor will give you only 3.
Can i use this k2545 mosfet datasheet instead of a relay Quote Thu May 01, Fri May 02, Wed Apr 30, 4: Can i use this transistor instead of a relay. In your circuit, there will be about 0.