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2SC5200 and TTC5200
2SC5200 and TTC5200
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Old 2nd April 2013, 09:28 PM   #1
moschfet is offline moschfet  Germany
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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
linuxguru is offline linuxguru  India
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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
moschfet is offline moschfet  Germany
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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
rhythmsandy is offline rhythmsandy
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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
AndrewT is online now AndrewT  Scotland
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Maybe to stop the fakers ?
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Old 14th November 2017, 03:29 PM   #9
ICforensics is offline ICforensics  United Kingdom
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Choosing TTC5200 and TTA1943 or 2SC5200 and 2SA1943
In 2011 Toshiba announced the introduction of the TTC5200 and its PNP complementary TTA1943 as a replacement for the highly popular 2SC5200 and 2SA1943.
The new TT devices will only be diffused and assembled in Japan while the older 2S devices would be manufactured in China as well as Japan. The new TT devices will use the latest Toshiba important advances in technology and manufacturing such as diffusion, bonding, thermal conduction and encapsulation. All devices are TO-3P(L) case style (also known as Toshiba 2-21F1A).
The main differences between TT and 2S are:
TTC5200 2SC5200 TTA1943 2SA1943
hFE (min) 80 55 80 55
Cob (pF) 145 200 240 360
Diffusion JAPAN - JAPAN -
Assembly JAPAN China or Japan JAPAN China or Japan
Markings Laser engraving

TT devices are Toshiba protected propriety numbering which means NO other manufacturer can use that number.
2S devices are JEITA registered number and other manufacturers can also use it.
Toshiba also produces TT numbered devices designated as TTC5200N and TTA1943N manufactured in China in a smaller package TO-3P(N) which is equivalent to JEITA SC-65. These devices are of lower performance than the normal TT parts.

TT and 2S devices typical weight is 9.75g which can sometimes be helpful in detecting counterfeits.

Conclusion: The TT devices are obviously superior and should always be the first choice. Some enthusiasts, in attempting to examine the differences between devices, de-cap and compare the physical size of the silicon die. Such exercise is totally useless since device parameters cannot be guessed from variations in die size (even a 30% difference is not uncommon in manufacturing). On-the-other hand a huge big difference in size would strongly suggest the possibility of counterfeit.

Supply: Toshiba supply TT devices in sealed cartons containing 500 devices. Each carton contains 5 plastic trays holding 100 devices each. The cartons are labelled with Toshiba trace-ability data and codes as well as country of diffusion and country of assembly. The cartons are also labelled with Toshiba’s quality assurance and Toshiba’s guaranteed quality indicators.

Endurance: Laboratory tests on TT transistors showed outstanding endurance levels. These transistors were almost indestructible and extremely rugged well in excess of MIL standards. They withstood endurance tests at high temperatures exceeding the maximum junction temperature quoted in Toshiba’s specifications.
We hope this information is helpful.
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