How to Check Field Effect Transistor FET with Digital Multimeter

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How to Check Field Effect Transistor (FET) Using Digital Multimeter • https://bit.ly/42K0YVX • Checking a Field Effect Transistor (FET) with a digital multimeter is a practical skill that can be incredibly useful for electronics enthusiasts, DIYers, and even content creators who focus on electronics repair or projects on YouTube. While I guide you through the steps to check a FET, this can also be a great idea for a tutorial video on your channel, especially if your audience is interested in electronics or DIY projects. Here's how you can check a FET: • 1. **Understand the FET Pins**: First, identify the three pins of the FET - the Source (S), the Drain (D), and the Gate (G). The configuration can vary depending on whether it's an N-channel or P-channel FET. • 2. **Set Your Multimeter**: Turn your digital multimeter to the diode test mode. This mode is typically indicated by a diode symbol. • 3. **Testing for Short Circuits**: • Connect the multimeter's red probe to the Drain and the black probe to the Source. • For an N-channel FET, the multimeter should show an open circuit (usually displayed as 'OL' or a very high value). • Swap the probes (black to Drain, red to Source), and you should get the same result. • For a P-channel FET, the results will be opposite. • 4. **Checking Gate to Source/Drain**: • With the multimeter still in diode mode, check between the Gate and Source, and then Gate and Drain. • In both cases, the multimeter should show an open circuit for both N-channel and P-channel FETs. • 5. **Testing the Gate**: • Charge the Gate by touching the Gate and Drain pins together (for N-channel) or Gate and Source (for P-channel) with the red probe. • Now, test again between Drain and Source. The multimeter should show a low resistance, indicating the FET is on. • To turn off the FET, touch the Gate to the Source (N-channel) or Drain (P-channel) with the black probe. • Creating a video tutorial on this topic can be a great way to engage your audience, especially if your channel focuses on electronics or educational content. You can demonstrate the process step-by-step, explain the theory behind how FETs work, and even share some troubleshooting tips. This not only helps in educating your viewers but also in enhancing your channel's value proposition by offering practical, hands-on knowledge. • Remember, safety first! Always ensure the FET and the circuit it's part of are powered off before testing. This tutorial idea could be a hit among your viewers, offering them valuable insights into electronics diagnostics and repair.

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