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Unknown 3.3V TVS Diode Manufacturer vs Vishay—How to Identify Markings?

Unknown 3.3V TVS Diode Manufacturer vs Vishay—How to Identify Markings?

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#1 21675080 25 Dec 2015 11:34

Srinivasa Beera Srinivasa Beera

Anonymous

Post #1
21675080 25 Dec 2015 11:34

Hello All,

Can anybody tell about manufacturer of TVS diode mentioned in Image?

It looks like Vishay Semiconductor , but it is not. Attached second image which consists both diode images.
First diode is Vishay (3.3V TVS). Second diode is unknown manufacturer , still claiming 3.3V TVS.

Thank you in advance.
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#2 21675081 28 Dec 2015 20:10

Kevin Angelo Ma Kevin Angelo Ma

Anonymous

Post #2
21675081 28 Dec 2015 20:10

Hi

You are right, the first one is from Vishay. The second one looks like Vishay but maybe its pirated. It deviates from the symbol that looks like an atom.
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