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Need help with Diode ID

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Need help with Diode ID

Postby tom_ » Fri Aug 01, 2014 12:43 pm

I have two diodes in front of me but being absolutely new to electronics I have no idea which is what.

One is a 1N4742 Zener Diode, the other is a 1N4148 diode.

I have no idea which one is the Zener as they look similar. The only difference is the size. One is about half the size of the other.
tom_
 
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Re: Need help with Diode ID

Postby pebe » Fri Aug 01, 2014 6:44 pm

The datasheet for the 1N4148 gives its dimensions as: Length = 3.9mm, Diameter = 1.9mm.
Hope that helps.
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Re: Need help with Diode ID

Postby yy482 » Sun Aug 17, 2014 1:35 pm

you can search the data sheets from datasheetcatalog.com for the detail
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