Need help with TESLA part identification.

TB · 7th January 2006, 05:56 PM

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

DoomPixie · 7th January 2006, 06:01 PM

pictures might help if you can take some??
any idea what kind of package they are in (TO220, etc)??

TB · 7th January 2006, 06:16 PM

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.

Onra · 7th January 2006, 07:43 PM

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 don´t even know, wether it´s a Triac or a thyristor.
Onra

TB · 8th January 2006, 09:25 PM

Hello Onra,
Thank you for the information. I have never heared about silicon controlled rectifiers. What is their purpose?

Onra · 9th January 2006, 09:06 PM

Hi,
SCRs means Thyristors and Triacs, normally used in dimmers and others mains voltage applications.
Onra

Tekko · 10th January 2006, 12:19 PM

SCR = Silicon Controlled Rectifier

Reveeen · 11th January 2009, 10:14 PM

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.

7th January 2006, 05:56 PM	#1
TB diyAudio Member Join Date: Jun 2004 Location: Northern VA	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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7th January 2006, 06:01 PM	#2
DoomPixie diyAudio Member Join Date: Jun 2005 Location: Aberystwyth / Llanelli (wales)	pictures might help if you can take some?? any idea what kind of package they are in (TO220, etc)??

7th January 2006, 06:16 PM	#3
TB diyAudio Member Join Date: Jun 2004 Location: Northern VA	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.

7th January 2006, 07:43 PM	#4
Onra diyAudio Member Join Date: Jul 2005 Location: near Frankfurt/M	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 don´t even know, wether it´s a Triac or a thyristor. Onra

8th January 2006, 09:25 PM	#5
TB diyAudio Member Join Date: Jun 2004 Location: Northern VA	Hello Onra, Thank you for the information. I have never heared about silicon controlled rectifiers. What is their purpose?

9th January 2006, 09:06 PM	#6
Onra diyAudio Member Join Date: Jul 2005 Location: near Frankfurt/M	Hi, SCRs means Thyristors and Triacs, normally used in dimmers and others mains voltage applications. Onra

10th January 2006, 12:19 PM	#7
Tekko diyAudio Member Join Date: Jan 2005	SCR = Silicon Controlled Rectifier

11th January 2009, 10:14 PM	#8
Reveeen diyAudio Member Join Date: Jan 2009	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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