Components question

Mar 23, 2005 4 Replies
C

I have a SCR which is labeled ST Morocco BTW69-200NC then on the bottom line, it says C409........



I looked it up in my ECG replacement guide, but it showed only BTW69-200N. The "C" is not there. Anyone care to tell me if that may make a difference? Maybe you have a book which shows that? It lists a ECG 5539 as the replacement.



Also, I have 3 transistors in this same circuit which I couldn't find a listing for in the ECG guide, unless I missed them. They're labeled........



Sksp56 EB411



Anyone have any info on them, as to type or replacement?



Thanks........



CL


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J

often different package types will mean a tacked on letter, smt vs dip, plastic vs ceramic, heatsink mounting hole vs none, etc etc yada yada, meaning that you can use it as a direct replacement in most cases. unfortunately, without the data sheets you won't know for sure.

try the nte guide, or another, or try to find exacts. what kind are they, fets, bjt's, whut?

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R

The current ST BTW69 comes in 2 versions, ie. TOP 3 insulated (all plastic case) for voltages 200, 400, 600, 800, 1000, 1200 @ 50A and TOP 3 uninsulated (metal tab N version) for voltages 600, 800, 1000,

1200 @ 55A. If your version is all plastic as I suspect it is, then the only relevant information on the package is the BTW69-200. Any additional is text is likely to be of manufacturer interest only.
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W

bottom

BTW69-200N.

difference?

a

formatting link

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C

"Watson A.Name - "Watt Sun, the Dark Remover"" wrote in message news: snipped-for-privacy@corp.supernews.com...

Thanks to all who replied and helped out. Now to acquire the parts - which I'm now looking up with those I deal with. Though there are three of the one transistor, only one was defective. I tried to get a schematic and parts list from the manufacturer - but found they're no longer in business. The unit was dropped while plugged in and turned on and well.... metal to PC board - one hell of a short occurred. Such is life..... Thanks again - to all...

cl

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