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Author Topic: Need help to identify diode  (Read 1386 times)

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Offline ksbTopic starter

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Need help to identify diode
« on: September 16, 2018, 02:29:08 pm »
Friends,
Can someone suggest me the replacement part for diode below. The marking code is T1 J8H.

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Online Benta

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Re: Need help to identify diode
« Reply #1 on: September 16, 2018, 03:27:04 pm »
Looks like a Vishay hermetic glass rectifier. High reliability and high tolerance of thermal cycling and high temperatures.

Originally Telefunken, I believe.

EDIT: correction, it's called a "sintered glass" rectifier.
« Last Edit: September 16, 2018, 08:44:13 pm by Benta »
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Offline drussell

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Re: Need help to identify diode
« Reply #2 on: September 16, 2018, 05:17:45 pm »
That looks like an SOD-57 size package, SOD-64 is a bit "fatter" and "rounder."  Not that the package type helps much since you used to even be able to get 1N400x series diodes in that package, it could be anything... 

Argh...  Are either one of those still good so you could do some tests?

It does seem to be an awful lot like a Telefunken part number, though:

https://www.tedss.com/2028003173
https://www.vishay.com/docs/86028/byt51a.pdf

etc...

Edit:  Also, what are these diodes out of?  What is the application?
« Last Edit: September 16, 2018, 08:59:25 pm by drussell »
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