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Senior Member
Join Date: Sep 2000
Location: planet earth
Posts: 2,251
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Replacement SCR? EE's Help Please
When I search for the specific part number I can't find anything - But honestly I am out of my depth and not sure 100% in what I am looking for
Can anyone help me find one.  
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78 Euro 911sc Targa 03 Hayden SCWDP |
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08-10-2021, 05:28 AM
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Banned
Join Date: Oct 2007
Location: SoCal
Posts: 4,842
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Preface your search with "transistor"
Dual channel LNA module |
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08-10-2021, 05:31 AM
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Whoopsies I was banned!!!
Join Date: Sep 2005
Location: Trying to Escape from FLA
Posts: 4,596
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The squiggly T is an identifier for Teccor Electronics. Teccor No longer exists as I believe it was bought out by Littelfuse.
This link is to the datasheet. https://datasheet.datasheetarchive.com/originals/distributors/Datasheets-35/DSA-699108.pdf Give me a few minutes and I'll see what is available for a Littelfuse alternate or if there is any other alternate. |
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08-10-2021, 09:28 AM
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Whoopsies I was banned!!!
Join Date: Sep 2005
Location: Trying to Escape from FLA
Posts: 4,596
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I did not find a direct replacement for the S1055M at Littelfuse. It appears they have ditched their 100v and 200v (Vdrm/Vrrm) and the lowest they go is 400v. So long as the other parametrics check out, the increase in Vdrm is gooder
 The part is S4055M and is in-stock/available at mouser.com . Here is a link to the datasheet so you can compare parametrics (to the original datasheet): https://www.littelfuse.com/~/media/electronics/datasheets/switching_thyristors/littelfuse_thyristor_sxx55x_datasheet.pdf.pdf NTE was my other thought. However their cross-reference tool appears to be a program that one needs to download and then register. I need to tend to some other things but if you want me to look at NTE just holler and I'll do so. |
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08-10-2021, 10:23 AM
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Senior Member
Join Date: Sep 2000
Location: planet earth
Posts: 2,251
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Thank you I will check it out
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78 Euro 911sc Targa 03 Hayden SCWDP |
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08-10-2021, 11:29 AM
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Whoopsies I was banned!!!
Join Date: Sep 2005
Location: Trying to Escape from FLA
Posts: 4,596
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FYI, This is what pops up as a Teccor S1055M replacement from NTE: NTE5539
Datasheet: https://www.nteinc.com/specs/5500to5599/pdf/nte5539_40.pdf It is in-stock/available at digikey... |
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08-10-2021, 12:33 PM
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