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Hockey Puck SIT 2SK180 by Tokin source NOS
Hockey Puck SIT 2SK180 by Tokin source NOS
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Old 12th October 2018, 01:51 PM   #131
Zen Mod is offline Zen Mod  Serbia
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Hockey Puck SIT 2SK180 by Tokin source NOS
no need for 15min, from my experience

it's clearly visible on DVM when part is in thermal equilibrium ..... pretty fast , in fact ... less than minute

however , if one is asking for absolute precision , more (time) is merrier , with exact control of heatsink temperature
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Old 12th October 2018, 02:11 PM   #132
Soundhappy is offline Soundhappy  France
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Seller test's are more about " OK is correctly working " transistor.
Nothing more really is guaranteed
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Old 22nd November 2018, 10:23 PM   #133
Soundhappy is offline Soundhappy  France
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THF-51S is out off stock , visibly only 500 Watt's 2SK182ES is still available from Watanabetomoaki san.
watanabetomoaki | eBay
You think I find unknow vintage triode transistor from "Origin" Semiconductor Company ?
Not at all , is a single diode package who looks like small "blue sky" SIT
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Old 21st January 2019, 03:18 PM   #134
Soundhappy is offline Soundhappy  France
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Today is 4 years birthday
about the news of Tokin 2SK180
watanabetomoaki | eBay
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Old 21st January 2019, 05:54 PM   #135
Nelson Pass is offline Nelson Pass  United States
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Hockey Puck SIT 2SK180 by Tokin source NOS
You will be happy to know that some progress has been made.

Remaining SIT-1 transistors are in SIT-3 amplifiers.

About 400 Sony Vfet channels are being prepared for introduction
in the diyAudio store.

Designs around remaining THF-51 and 2SK182 are in development.

Researchers at UC Davis (my alma mater) have developed new SIT using
Gallium Nitride.

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Old 21st January 2019, 06:22 PM   #136
Soundhappy is offline Soundhappy  France
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Quote:
Originally Posted by Nelson Pass View Post
Designs around remaining THF-51 and 2SK182 are in development.

Researchers at UC Davis (my alma mater) have developed new SIT using
Gallium Nitride.

Very interesting news!
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Old 22nd January 2019, 01:15 AM   #137
Soundhappy is offline Soundhappy  France
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Quote:
Originally Posted by Nelson Pass View Post
Researchers at UC Davis (my alma mater) have developed new SIT using
Gallium Nitride.
Do Mr.Pass have link to more informations about SIT GaN semiconductors ?
Or maybe transistor sample on the bench today or in the near future ?
Me find this :
III-Nitride Vertical Transistor with Ion Implantation Formed Aperture Region
- Available technology for licensing from the University of California, Davis

Kind regards
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Old 22nd January 2019, 01:53 AM   #138
Soundhappy is offline Soundhappy  France
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https://www.edn.com/design/power-man...ology-overview
+1 article : Silicon compare to SIC and GaN technology
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Old 22nd January 2019, 10:45 AM   #139
Soundhappy is offline Soundhappy  France
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Quote:
Originally Posted by Nelson Pass View Post
Designs around remaining THF-51 and 2SK182 are in development.
Extraordinary Thanks Mr.Pass
I am waiting for the teaser in not distant future
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Old 22nd January 2019, 05:02 PM   #140
twitchie is offline twitchie  Canada
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Hockey Puck SIT 2SK180 by Tokin source NOS
This is exciting news for sure! So I guess the next questions are whether or not it will be a patented process and when/if a manufacturer will take up the challenge and turn it into commercially available devices.


Quote:
Originally Posted by Nelson Pass View Post
You will be happy to know that some progress has been made.

Remaining SIT-1 transistors are in SIT-3 amplifiers.

About 400 Sony Vfet channels are being prepared for introduction
in the diyAudio store.

Designs around remaining THF-51 and 2SK182 are in development.

Researchers at UC Davis (my alma mater) have developed new SIT using
Gallium Nitride.

  Reply With Quote

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