Zener, Switching and Signal Diode

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tahir4awan

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The attached files are the pictures of Zener, Switching and Signal Diode. Confusion is all are same. How can we differentiate them?
 

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  • Glass_passivated_silicon_rectifier_switch_diode_1N4150.jpg
    28.6 KB · Views: 62
  • signal_diode 1n4148.jpg
    61.1 KB · Views: 108
  • Zener diode.jpg
    56.2 KB · Views: 89

You shouldn't differentiate them by how they look. Instead take a look at the part number marked on the component. Then, look up the datasheet for that part. The datasheet will tell you what component the device is.

Hope this helps.
Tahmid.
 

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