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Old 30th November 2012, 08:01 AM   #1
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Exclamation Orion Colbalt 2100

Hi there im new to the forum greetings BTW to everyone.

I was wondering if someone would have any ideas where I could locate a good cross reference for a ORION COBALT 2100 MOSFET Channel OUTPUT TRANSISTORS I have on the chip # as (SMW20P10) T9412AF Any help would very much be appreciated.

Thanks Guys
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Old 30th November 2012, 11:38 AM   #2
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The STW20P10 is the part number. The other is a production code (possibly 12th week 1994).

THIS transistor 'may' work if you can't find the originals. It's sometimes difficult to predict whether a transistor will work in a particular circuit without testing them in it.
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Old 30th November 2012, 11:46 AM   #3
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Thanks for the reply anychance do you know where i might beable to locate those im having a difficult time finding them online?
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Old 30th November 2012, 12:38 PM   #4
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After alittle bit of research i somehow come acrossed the IRFP150 do you feel this would be to rugged for a SMW20P10 match?
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Old 30th November 2012, 07:59 PM   #5
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#3:
Locate which ones?

#4:
What do you mean by 'match'?
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Old 30th November 2012, 09:33 PM   #6
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Im try to locate a good replacement chip for the original since i know there hard to find (SMW20P10) and pricey and i was wondering if you guys could tell me if the IRFP150 would be a good replacement for the original chip in my Cobalt 2100 circuitry i plan on just replacing them all so the values all match up which is a total of 8 of them does any one have any suggestions for me?
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Old 30th November 2012, 09:37 PM   #7
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Are all of the output transistors marked SMW20P10?
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Old 1st December 2012, 07:39 PM   #8
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Yes theres a total of 8 that are marked SMW20P10 on the Channel Output side of the board i figured id replace them all if i can find a reputable chipset # to replace them all with.
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Old 1st December 2012, 09:13 PM   #9
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That transistor is a P-channel FET. I've never seen an amp that used all P-channel FETs in the output stage. Are you sure that there aren't 4 of those and 4 transistors marked SMWxxN10?
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Old 1st December 2012, 09:20 PM   #10
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are you sayin on ANY car amplier on the output side of the amp there should be for a example if there was in my case 8 chips 4 would be P Channel Fet and 4 of them would have N Channel fets meaning 4 of them would have a different part number then the other 4
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