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Old 7th January 2006, 05:56 PM   #1
TB is offline TB  United States
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Default Need help with TESLA part identification.

Hello, I did try to search the web with no avail. I was given a box with semiconductors and I found among them few parts made by TESLA. Markings say: "TESLA" and underneath code: KT2061400 and KT2061200.
They have three outputs and can be mounted on the heatsink. Does anyone know what are they?
Thanks
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Old 7th January 2006, 06:01 PM   #2
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pictures might help if you can take some??
any idea what kind of package they are in (TO220, etc)??
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Old 7th January 2006, 06:16 PM   #3
TB is offline TB  United States
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Hello DoomPixie,
Thanks for the response. I have no digital camera available. I will try to borrow it. The package looks like TO220. Markings are printed with silver ink. Since parts look old markings are hard to read. On some I can see letters UN above TESLA name. One part has letters UW underneath the code. Output pins are not flat but round.
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Old 7th January 2006, 07:43 PM   #4
Onra is offline Onra  Germany
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Hi,
these devices are probably silicon controlled rectifiers.
KT206 / 200 with 200 Volts
KT206 / 400 with 400 Volts.
The letter code is a date code of 1980- 89, i guess.
Further search in eastern europe forums may be helpful.
http://www.google.com/search?q=KT206...=&start=0&sa=N
First hit of German google is a polish forum and they donīt even know, wether itīs a Triac or a thyristor.
Onra
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Old 8th January 2006, 09:25 PM   #5
TB is offline TB  United States
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Hello Onra,
Thank you for the information. I have never heared about silicon controlled rectifiers. What is their purpose?
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Old 9th January 2006, 09:06 PM   #6
Onra is offline Onra  Germany
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Hi,
SCRs means Thyristors and Triacs, normally used in dimmers and others mains voltage applications.
Onra
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Old 10th January 2006, 12:19 PM   #7
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SCR = Silicon Controlled Rectifier
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Old 11th January 2009, 10:14 PM   #8
Reveeen is offline Reveeen  Canada
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Strangely enough they are thyristors used in the "business" of a Jawa moped electronic ignition box.

How they are used can be seen in this simple circuit here:

http://www.mopedarmy.com/wiki/Jawa_Thyristor

I am not saying they can't be used otherwise, having stumbled upon this forum searching "Tesla KT206/400", searching to verify what I need to repair my ignition box.
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