FS: matched Toshiba 2SK1530 2SJ201 $16/pair - diyAudio
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Old 9th May 2010, 09:42 PM   #1
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Default FS: matched Toshiba 2SK1530 2SJ201 $16/pair

Price as follow:
Value match: $14/pair(1 each), $7/pc for 2SK1530, $8/pc for 2SJ201
Precision match: $16/pair(1 each), $8/pc for 2SK1530, $9/pc for 2SJ201
P-N match: $24/pair(1 each)

Free shipping for order >$50.
I will donate $0.50/pair (or per 2 pcs) to the forum.

Matching standard
Matching are done by connecting the Drain and Gate, Vgs measured at Id=500mA after temperature stabilise.
Value match: All N FET matched with N FET, P FET matched with P FET, no matching between N and P. Matched to <50mV for group size<25 (25 pairs, 25*K1530, or 25*J201).
Precision match: All N FET matched with N FET, P FET matched with P FET, no matching between N and P. Matched to <10mV for group size<10, or <20mV for group size<25.
P-N match: Matching between N and P as well, Matched to <10mV for 8 pairs or less, ask for availability.

All 2SK1530 and 2SJ201 are sourced from Toshiba authrised distributor in Singapore.

I will recommend the German made Kerafol Keratherm Red 86/83 Isolators TO-247 $1/ea to go with the Toshiba FET, they are high performance and easy to use. Much better than sil-pad or mica.
For purchase instruction and a list of other items I sell, please visit: Zhou Fang's sales thread! - Parts you always wanted but hard-to-get, they are here!
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File Type: jpg 2SK1530-J201.jpg (155.6 KB, 2396 views)
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Old 11th May 2010, 03:09 PM   #2
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For standard F5 clone builder, you can go for value match or PN match (but not precision match), as matching within the same polarity is meaningless as only one FET per polarity is used for each channel.
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Old 11th May 2010, 05:07 PM   #3
EUVL is offline EUVL  Europe
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> as matching within the same polarity is meaningless as only one FET per polarity is used for each channel.

Matching of same polarity has lots of meaning for me.
I want my left channel to be identical to my right channel, simple as that.

Sorry, I cannot help commenting.
Patrick
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Old 11th May 2010, 06:32 PM   #4
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Patrick:

It is always more profitable for me to sell better matched pairs, so you are more than welcomed
What you said definitely has a point, but I think you will agree that if it will be paralleled device or fully balanced design, then matching within the same polarity will be even more important.
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Old 11th May 2010, 09:30 PM   #5
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http://www.bearlabs.com -- Btw, I don't actually know anything, FYI -- [...2SJ74 Toshiba bogus asian parts - beware! ]
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Old 12th May 2010, 10:54 PM   #6
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Bear: reply sent.
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Old 15th May 2010, 07:27 PM   #7
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Payment received from alazira for 4 pairs of PN matched.
Thank you!
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Old 17th May 2010, 03:27 AM   #8
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It seems like everyone from here or ebay are looking for the PN matched, but I only have such a small proportion of PN matched pairs.
Thus I'm rising the price of PN matched pairs to $28/pair from this point onwards.
No change to price of precision matched and basic matched.
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Old 21st May 2010, 12:27 AM   #9
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Toshiba 2SK3497/2SJ618 _______Power MOSFET
is on order list, will be here in a few months time.

The price for 2SK3497/2SJ618 will only be slightly higher than IRFP240/9240.
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Old 1st October 2010, 08:05 AM   #10
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