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Please identify this diode?

Started by See_Mos, Jul 23, 2023, 01:39 PM

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See_Mos

Jul 23, 2023, 01:39 PM
does anyone knows the manufacturer symbol or where I can find data for this diode please?

I have tried searching by UG47 and UG 47 but did not find anything and I don't recognise manufacturer symbol

Wimax

#2
Jul 23, 2023, 02:39 PM
Hi,

I'm not sure, but It maybe an US1G Ultrafast Rectifier https://www.vishay.com/docs/88768/us1_test_dcicons.pdf from Vishay.

trastikata

#3
Jul 23, 2023, 05:23 PM
Vishay US1G 400v high voltage ultrafast rectifier

Any UF4004...UF4007,  shall do.

okmn

#4
Jul 23, 2023, 06:46 PM Last Edit: Jul 23, 2023, 06:49 PM by okaman
Quote from: See_Mos on Jul 23, 2023, 01:39 PMdoes anyone knows the manufacturer symbol or where I can find data for this diode please?

I have tried searching by UG47 and UG 47 but did not find anything and I don't recognise manufacturer symbol



Could you compare Product Dimensions with this ESD Suppressors / TVS Diodes TVS Bidirect Diode
https://www.mouser.com.tr/ProductDetail/Bourns/CD214A-T13CA?qs=%2FjLyB0De4X%252BtA6kAQ6WRzQ%3D%3D&_gl=1*1clw6zh*_ga*MTQwNzg0MjA5My4xNjc4NjM3MzU1*_ga_15W4STQT4T*MTY5MDEzNzg0Ny44LjAuMTY5MDEzNzg1MC4wLjAuMA..*_ga_1KQLCYKRX3*MTY5MDEzNzg0Ny44LjAuMTY5MDEzNzg1MC41Ny4wLjA.


Also with this one

https://monitor.net.ru/forum/smd-components/terms/28083

See_Mos

#6
Jul 24, 2023, 11:11 AM
Thanks everyone.  I now know that the makers symbol is for General Semi which was taken over by Vishay in 2001.

The device marking UG refers to various transient suppressor diodes but not necessarily Vishay.  It could be either uni-direction or bi-direction.

The bar at one end of the device shows that it is unilateral and so far I have found devices with the UG code of 13 or 350 volts

trastikata

#7
Jul 24, 2023, 03:43 PM
Quote from: See_Mos on Jul 24, 2023, 11:11 AMThe device marking UG refers to various transient suppressor diodes but not necessarily Vishay.  It could be either uni-direction or bi-direction.

Doesn't look a TVS diode to me, please refer to Wimax's and my posts.


US1G.png

Gamboa

#8
Jul 24, 2023, 04:45 PM
Hi,

It can also be the part number SMAJ13CA

Regards,
Gamboa
Long live for you

trastikata

#9
Jul 24, 2023, 04:52 PM
Quote from: Gamboa on Jul 24, 2023, 04:45 PMIt can also be the part number SMAJ13CA

Please note the manufacture's symbol, clearly Vishay, not Bourns.

Vishay.jpg

Fanie

#10
Jul 25, 2023, 05:37 AM
https://www.electroschematics.com/smd-code-book-and-marking-codes/
Here you can download our free SMD code book that shows SMD marking
codes for almost every surface-mount device available on the market.
To identify a particular device, first identify the package style and
note the ID code printed on the device.
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