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Home » News » industry information » Precautions for capacitor installation (II)

Precautions for capacitor installation (II)

Views: 0     Author: Site Editor     Publish Time: 2018-09-22      Origin: Site

a. Used capacitors can no longer be used, but can be removed as a periodic inspection to test electrical performance;

 

b. If the capacitor is charged, discharge it with a resistor of about 1kΩ before use;

 

c. If the capacitor is stored under conditions of more than 35 ° C and humidity greater than 70%, the leakage current may rise, and the rated voltage may be applied by a resistor of about 1 kΩ before use;

 

d. Confirm the rated capacity, voltage and polarity of the capacitor before installation;

 

e. Do not use capacitors that fall off the ground;

 

f. Do not use the deformed capacitor;

 

g. The positive and negative lead spacing of the capacitor should match the position of the PC board soldering hole. If the capacitor is forcibly inserted into a circuit board whose hole pitch is not matched, stress will act on the lead wire, which may cause the capacitor to short-circuit or increase the leakage current;

 

h. Insert the capacitor pins or solder pins into the PC board during installation until the bottom of the capacitor is attached to the surface of the PC board;

 

i. Do not apply more than the specified mechanical pressure. When a pulling force is applied to the capacitor lead-out line, the pulling force acts on the inside of the capacitor, causing a short circuit inside the capacitor, and an open circuit or leakage current rises. The capacitor is soldered to the board and the capacitor is not shaken strongly.


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