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Old 2nd April 2013, 09:28 PM   #1
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Default 2SC5200 and TTC5200

What is the reason that Toshiba rebuild the 2SC5200?

Is the TTC5200 better? I can't see any advantages in the datasheet. The diagram Ic-Vbe looks even a little bit worse then as the of 2SC5200.
OK, the output capacitor is only 145pF but else?

Has anyone experience or knows more accurate?
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Old 2nd April 2013, 10:13 PM   #2
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I'm guessing that the lower Cob of the TTC5200 indicates a smaller die, so it's less expensive to manufacture, but with almost the same specs as the 2sc5200. The lower price of the TTC5200 seems to confirm that. However, I haven't destroyed one of each to actually check the die size.
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Old 3rd April 2013, 01:27 PM   #3
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Quote:
I'm guessing that the lower Cob of the TTC5200 indicates a smaller die, so it's less expensive to manufacture...
Ahhh yes, I should be able to recognize even

Thanks
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Old 17th November 2013, 03:26 AM   #4
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ive seen the die size compared with 2sc5200 the die in ttc5200 is 30 % smaller than the 2sc5200
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Old 17th November 2013, 04:54 AM   #5
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Quote:
Originally Posted by rhythmsandy View Post
ive seen the die size compared with 2sc5200 the die in ttc5200 is 30 % smaller than the 2sc5200
Cool - I guessed that, but it's good to have confirmation by cracking open the package. There are pros and cons of the lower die size and Cob of the TTC5200 - it may be faster, but less stable in some applications. Most probably also less rugged than the original 2sc5200, but it's also less expensive.

It's probably worth hoarding some of the original 2sc5200/2sa1943 pairs now - I'd probably prefer those in most applications, though I can think of some Class-B applications where the TTs may cross over faster.
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Old 17th November 2013, 06:36 AM   #6
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Is there any alternative in toshiba for 2sc5200 1943 pair I want to use them for my product after seeing the ttc5200 it was very obvious that its not that rugged im thinking of using either sanken 2sa1215 or exicon or alfets ALF16P20W for ruggedness but alfets n exicons are way expensive in production
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Old 17th November 2013, 07:39 AM   #7
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Quote:
Originally Posted by rhythmsandy View Post
Is there any alternative in toshiba for 2sc5200 1943 pair I want to use them for my product after seeing the ttc5200 it was very obvious that its not that rugged ...
There's 2sc5242/2sa1962, but they're TO-3P and rated only for 80W output stages. These are also second-sourced by Fairchild as FJA4313/FJA4213. The Fairchild parts are available in a 150W-rated TO-264 package as FJL4315/FJL4215, and seem to be exactly the same as 2sc5200/2sa1943.

However, all these will be harder to find and/or more expensive than the original 2sc5200/2sa1943, which was a great deal when it was widely available. Stocks must still be around, but I expect they'll increase in price over time.
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Old 20th November 2013, 11:56 AM   #8
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Maybe to stop the fakers ?
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