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? D666AC, B646AC -vs-C2705 ,A1145 - which one substitute which one?
? D666AC, B646AC -vs-C2705 ,A1145 - which one substitute which one?
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Old 2nd September 2005, 06:39 PM   #1
nina is offline nina  United Kingdom
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Default ? D666AC, B646AC -vs-C2705 ,A1145 - which one substitute which one?

I got schematic that using the following transistors: D666AC, B646AC. However, a vendor gave me C2705 and A1145 instead.


I wonder if which one is the substitution of which one?


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Old 2nd September 2005, 06:46 PM   #2
destroyer X is offline destroyer X  Brazil
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Default 2Sc2705 is NPN as 2SD666AC.... so, they may be equivalent

And the others may be PNP and equivalents too.

Good luck

regards,

Carlos
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Old 2nd September 2005, 07:01 PM   #3
nina is offline nina  United Kingdom
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Default Re: 2Sc2705 is NPN as 2SD666AC.... so, they may be equivalent

Quote:
Originally posted by destroyer X
And the others may be PNP and equivalents too.

Good luck

regards,

Carlos
So,
2SC2705 is ~ 2SD666AC
and
2SA1145 is ~ 2SB646

Thanks Carlos!
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Old 2nd September 2005, 08:31 PM   #4
destroyer X is offline destroyer X  Brazil
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Default You welcome.

regards,

Carlos
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Old 2nd September 2005, 11:44 PM   #5
Magura is offline Magura  Denmark
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Hey what is this, Carlos is speaking a language that I actually understand.....and I think it's even right on topic...now that's great news


Magura
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Old 3rd September 2005, 01:24 AM   #6
dimitri is offline dimitri  United States
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hey nina,
Nikko Electronics has both 646/666
http://www.nikko-electronics.net/sea...b3f24e9f6d5edb
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Old 3rd September 2005, 01:53 AM   #7
Greg Erskine is offline Greg Erskine  Australia
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? D666AC, B646AC -vs-C2705 ,A1145 - which one substitute which one?
Quote:
Originally posted by Magura
Hey what is this, Carlos is speaking a language that I actually understand.....and I think it's even right on topic...now that's great news Magura

arh ha ! Magura, if you admit to not usually understanding Carlos's posts....then how do you know he posts off topic???....answer me that.
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Old 3rd September 2005, 01:56 AM   #8
Magura is offline Magura  Denmark
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Quote:
Originally posted by Greg Erskine



arh ha ! Magura, if you admit to not usually understanding Carlos's posts....then how do you know he posts off topic???....answer me that.

Well, usually his posts contains a photo of a girl or the like.


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Old 3rd September 2005, 02:11 AM   #9
Greg Erskine is offline Greg Erskine  Australia
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? D666AC, B646AC -vs-C2705 ,A1145 - which one substitute which one?
Quote:
Originally posted by Magura
Well, usually his posts contains a photo of a girl or the like.
Yes, but that girl is the amp construction supervisor or assembly assistant, and the pictures of food are the energy source required to build amps at the Carlos's hectic pace.
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Old 3rd September 2005, 02:22 AM   #10
Magura is offline Magura  Denmark
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Quote:
Originally posted by Greg Erskine


Yes, but that girl is the amp construction supervisor or assembly assistant, and the pictures of food are the energy source required to build amps at the Carlos's hectic pace.

I rest my case

The construction supervisor is quite pretty as I remember

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