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Description
50 Pieces MFR3-39RFC Through Hole Resistor, MFR Series, 39 ohm, 400 mW, 1%, 200 V, Axial Leads 39R 0.5W
Tutorial: How to Use Through Hole Resistor MFR3-39RFC
The through hole resistor MFR3-39RFC is a fundamental component for electronic projects, useful for both beginners and experts. It is mainly used to limit the flow of current in a circuit.
What you need
- Projects with Arduino
- Prototype Circuits
- Control Systems
Steps
- Check the datasheet for the resistor specifications, such as maximum power and resistance value.
- Select a circuit or project that requires a 39 ohm resistor.
- Connect the axial leads of the resistor to the points in the circuit where current limiting is necessary. Use electronic tools such as pliers and soldering iron.
- Verify with a multimeter that the resistance is as expected (39 ohm).
- If you are using this resistor in a larger circuit, make sure not to exceed the maximum power rating of the component (400 mW).
- If necessary, solder the resistor to the PCB or prototyping board.
- Test the circuit to ensure everything works correctly.
Mini project
Create a simple lighting control system with Arduino and this resistor. Connect it to an LED bulb to limit its current.
Common mistakes
- Connect the resistor in a way that exceeds the maximum allowed power.
- Do not check the resistance of the component before using it in the circuit.
- Use it without a secure connection, such as soldering or connectors.
- Ignore the datasheet specifications and use the resistor under non-optimal conditions.
Recommended accessories
- Multimeter
- Pliers and soldering iron / soldering station / solder
- Prototyping board
- Test connection
Frequently asked questions
What is the maximum power rating of the MFR3-39RFC resistor?
The maximum power is 400 mW.
Why does this type of resistor have axial conductors?
Axial leads facilitate connecting the resistor to prototype circuits or PCBs without soldering.
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