The Method of Diode Identification

In the early stage, the Anshi BCX51-16 was taken as an example to share the method of identifying the true and false of the Anshi transistor. In this issue, the electronic component purchaser Xida continued to teach you the method of identifying the true and false of the American Taiwan diode. Taking 1N4148WS-7-F as an example, the following points can be used to identify the true and false

①The material of the original plastic disc is relatively soft, there are three strokes under the triangle in the front circle, and the non-original plastic disc has no material and the material is different;

 

②The fonts on the original plastic plate label are clearly printed, pay special attention to the English letters of the United States and Taiwan, and the green leaves on the right. The non-original two places are slightly distorted due to uneven ink jetting;

 

③The silkscreen on the original chip is uniform and clear. You will notice that there is a horizontal line above the letter "T", there is only a straight line on the left side of this model, and there is no horizontal line above the non-original letter "T", and there are two vertical lines on the left side;

④ There is a depression in the middle of the two sides of the original chip, and the non-original chip is intact;

 

 To learn more about the identification methods of brand electronic components, please pay attention to the official Xida Mall