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Confirm the size of the resistor itself

Test the adhesion between the resistor body and the copper wire

Test the low resistance value to see if it is within the standard resistance range

Test the temperature coefficient of the resistor body material

Are the resistance values of the medium and high resistance values tested within the standard resistance range

Observe the paint surface, film, tin layer and other details of the resistance, and confirm to check the appearance of t...

Test the resistance itself and its ability to adhere to tin

Test whether there is a change in the resistance value at a rated voltage of 2.5 times or higher when the resistance is ...

Test whether the resistance is normal under the instantaneous high-voltage pulse

Test whether the insulation between the top coat of the plug-in resistor product and the resistor body is good