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Through Hole Resistors

Through Hole Resistors are widely used in varying applications - from printing to electronic motor control systems. The main application is in electronic motor control, as it performs thetask of zoning the power being fed into the motor and creating a controlled environment to operate in. This is done by establishing an adjustable and controllable resistance.

20JK04E Application Field and Working Principle

The 20JK04E resistor is commonly used in the automobile industry. It is an adjustable metal oxide resistor and is designed to function as an adjustable current-limiting resistor. The resistor features a long slot on either side along with a control knob which allows itto be adjusted. It is typically used in automotive electronics for the control of current to an automotive starter motor. It is pre-wired and has strain reliefintegrated with it.

The working principle of the 20JK04E resistor is fairly straightforward. It is designed to act as a resistor for current adjustment by regulating the electric current passingthrough it. As current passes through the resistor, it will encounter resistance which allows the current to be controlled and adjusted. The adjusting knob is connectedto the resistor and can be turned to adjust the resistance either way as desired.

The resistance value is printed on the resistor’s label. The resistance can be adjusted by rotating the adjusting knob, which will change the resistance value both ways.For instance, if the current needs to be regulated upwards, theadjusting knob needs to be turned counterclockwise. Doing this increases the resistance value of the resistor and increases the current.Similarly, if the current needs to bedecreased, the adjusting knob should be turned clockwise, which will provide a smaller resistance value and thus lower the current.

Conclusion

Through Hole Resistors play an important role in controlling current in modern electronic devices. The 20JK04E resistor is a widely used adjustable metal oxideresistor whose resistance can be adjusted with the help of a control knob. This makes it an ideal choice in automotive electronics, providingjust the right amount of current to an automotive starter motor. The resistor also features strain relief and a long slot on eitherside, allowing it to fit easily into any desired application.

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