Transistor part number and data sheet in u-t 4

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Codex
Beiträge: 15
Registriert: 06 Jul 2017, 04:17

Transistor part number and data sheet in u-t 4

Beitrag von Codex » 16 Mär 2018, 02:11

Hi,

Does anyone know what the transistor part number is and where there might be a datasheet for the transistors that are in the u-t 4.

The transistor are in follow two parts:
3 36735 1 Transistor/Potentiometer-Bausdtein
3 36733 1 Verstarkerbaustein

Thanks
Michael :)

Codex
Beiträge: 15
Registriert: 06 Jul 2017, 04:17

Re: Transistor part number and data sheet in u-t 4

Beitrag von Codex » 16 Mär 2018, 08:00

Never mind, I found it.

BC108A

It's in the manual for the u-t 4 :)

:roll:

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H.A.R.R.Y.
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Registriert: 01 Okt 2012, 08:38
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Re: Transistor part number and data sheet in u-t 4

Beitrag von H.A.R.R.Y. » 16 Mär 2018, 08:01

Hi Codex,

some schematics you can find here, but unfortunately they are named without the ft-partnumbers :(
https://www.ftcommunity.de/downloads.ph ... altpl%E4ne

I just tried to find the relationship using our ft-database and hope I got the right ones from the ftc download section above. You already know the database?

The transistors used seem to be the same in both cases:
36735: BC108A with a heatsink "Kühlstern"
36733: BC108A with a heatsink "Kühlstern"

Transistors still are in supply at ususal electronic supplies.
I think you know what a "Kühlstern" is when you take a look into the Silberling. If the transistor is defective, you can simply pull off the heatsink and reuse it on the new transistor. You need a firm pull to get it off. But maybe you know this already - I just want to be complete.

Regards
H.A.R.R.Y.
[42] SURVIVE - or die trying

Codex
Beiträge: 15
Registriert: 06 Jul 2017, 04:17

Re: Transistor part number and data sheet in u-t 4

Beitrag von Codex » 18 Mär 2018, 02:15

Thanks H.A.R.R.Y.

Schematics are useful, confirms the simple PCB layout. Thanks for pointing to the link for them.

I check the Transistors, they are working.

I was more interested in the maximum and electrical characteristics for the transistor, hence the part number and the datasheet.

Cheers
Michael

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