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Old 7th October 2009, 10:05 PM   #1
Nrik is offline Nrik  Denmark
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Default Who needs Toshiba 2SD424/2SB554?

I have three 2SD424 and four 2SB554, used but functional.

They are pulled from a Aragon 4004mkII, where the last 2SD424 gave up because of a shortcircuit of the outputs. I replaced with OnSemi 15003/4, but who knows - someone might want these Toshibas!

They are marked with "10" and "20" from Aragon, and since they were sitting in a sockets there are no 'solder blops' on the pins.

I'll happily swap them for some other parts - used or new.
I'd be thrilled for analog VU meters, audio opamps, nice rotary switches, JFETs, PCBs for x-over or amps, or...something.

If you are interested send me a message.
You'll pay your shipment, I'll pay mine. Preferable within Europe.
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Old 11th April 2010, 04:45 PM   #2
mgm31 is offline mgm31  France
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I'm interested in 2sd424 if you still have them, PM me

Thanks
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Old 12th April 2010, 09:00 AM   #3
Nrik is offline Nrik  Denmark
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PM send.
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Old 21st June 2010, 08:34 PM   #4
haash is offline haash  Netherlands
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If you still have some 2SD424 left, please PM me
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Old 25th June 2010, 10:07 PM   #5
Nrik is offline Nrik  Denmark
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Haash: Pm send
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Old 29th June 2010, 08:03 PM   #6
Nrik is offline Nrik  Denmark
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The transistors are still up for swap.
2SD424 Hfe: 106, 111 and 114.
2SB554 Hfe: 122, 123, 118, and 110.
measured with a standard Multimeter.
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Old 19th November 2011, 02:13 PM   #7
Nrik is offline Nrik  Denmark
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Still up for swap.
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Old 27th November 2011, 08:53 PM   #8
satoru is offline satoru  United States
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What kind of JFETs are you looking for trade? I may have some.
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Old 28th November 2011, 06:58 AM   #9
Nrik is offline Nrik  Denmark
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Hi
If you would have two pairs of Power JFETs like 2SK28,2SJ28, or the NEC likes that would be very nice.

But ofcourse I am in also in the search of the classic like everyone else: That is 2SK170, 2SJ74, 2SK389, 2SJ109.
But other types will do...maybe with higher voltage, both P and N types.

I live in Europe, but I am going to New York for christmas, so that would make both yours and my transport cost lower.
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Old 30th November 2011, 12:04 AM   #10
satoru is offline satoru  United States
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Wow, sorry, but I don' have those power JFETs... (2SK28, 2SJ28). They disappeared before I picked up DIY audio as hobby. I have some dual N-ch JFET like LS844 from Linear Systems (60V Vds, in SOIC-8, though) and 2N3956 (TO-71, 50V Vds). Are you interested? I have some 2SK216/2SJ79 MOSFETs, too.
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