Description: If you’ve ever wondered how to control the headlight of a car from a microcontroller, a MOSFET is what you need. This is a very common MOSFET with very low on-resistance and a control voltage (aka gate voltage) that is compatible with any 3-5V microcontroller or mechanical switch. This allows you to control high-power devices with very low-power control mechanisms.
Note: We stock two different models of this component, the two are nearly identical and can be used interchangeably. We’ve provided links to both datasheets below. We are currently shipping the FQP30N06L.
Based on 3 ratings:
3 of 3 found this helpful:
I first came across this little thing via the MOSFET power controller listed here: https://www.sparkfun.com/products/10256
and found loads of fun and practical uses for the device.
taking the basic practical application of the device I resurrected a vintage traffic signal light by first gutting it,and then modifying a traditional 555 based LED traffic light simulator, replacing the LEDs with these MOSFET’s and using them to drive a bank of 12v DC lamps to make the old traffic light work through its functions as an accent lamp. the chip are a great value at the price point, and I highly recommend them
1 of 2 found this helpful:
I just can’t get enough of them!
This works great, I’ve used it in various projects, to control bright LED lights and heating pads from a microcontroller, for example.
If you’re having problems at certain high speed switching using this MOSFET, try using a gate current limiting resistance of 100 ohms. This will decrease the time constant enough to keep up with the faster switching frequencies since the gate pin is basically a capacitor with a time constant “tau = r*c”.