2sk170bl, any interest?

MASantos · 23rd October 2012, 02:34 PM

Mouser has the toshiba 2sk170bl in stock.

At 1000units it costs 0.48$ per unit. If we get 10 people @ 100 units per person this would be quite easy to accomplish.

Please let me know if anyone has interest in this.

AndrewT · 23rd October 2012, 02:53 PM

Ask Mouser for a warranty.
And check a few/many before you start distributing around the world.

MASantos · 23rd October 2012, 02:55 PM

Quote:

Originally Posted by AndrewT

Ask Mouser for a warranty.
And check a few/many before you start distributing around the world.

They confirmed already that they are in stock, and I would assume that mouser being a reputable company did buy directly from toshiba and that these a not fakes.

maxwelx64 · 23rd October 2012, 05:05 PM

i'm interested for 200 units, but what i consent is the shipping fee..

qusp · 23rd October 2012, 05:51 PM

mouser will ship for free with an order like that, at least to AU they would

MASantos · 23rd October 2012, 09:31 PM

Shipping would be free from mouser to me and then A padded envelope and shipping should go for about 5 or 6$

qusp · 23rd October 2012, 09:40 PM

no need for me i'm afraid, got plenty, good luck chaps!

bear · 10:10 PM

You should order a handful first and determine if they are genuine or not. IF they have a "W" or "M" in the little circle on the curved part of the plastic pak then i would be extremely cautious. Also look out for laser cut part numbers and the 200 pak being blue and saying Malaysia or Thailand.

I just bought a quantity from various Asian suppliers and found that the alleged 2SJ74BL did not look like my NOS 2SJ74 on the curve tracer by any stretch of the imagination.

The alleged 2SK170BL, some of which came from a reputable US source as well, has the same physical appearances as described BUT looked good on the curve tracer. This does not mean that they are real 2SK170 Toshibas.

I have no good way to measure the NF, and that would perhaps be definitive. It was suggested to measure the Rds ON, but I have not done that.

The Idss group did match, fwiw, on both devices.

Left most pic is asian sourced 2SJ74
Right pic is NOS Toshiba.

SAME settings on tracer...

tinitus · 23rd October 2012, 10:12 PM

Quote:

Originally Posted by MASantos

...... I would assume that mouser being a reputable company did buy directly from toshiba......

Toshiba ? how can you know its Toshiba who deliver them ?
but again, if loosing 48USD, could have been worse

MASantos · 23rd October 2012, 10:42 PM

Maybe I'm being naive, but would mouser really buy transistors from a doubtful source?

I don't have any means for testing them so thoroughly so I couldn't provide any assurance that they are genuine. Maybe this is much more troublesome than I thought...

23rd October 2012, 02:34 PM	#1
MASantos diyAudio Member Join Date: May 2005 Location: Lisbon Portugal	2sk170bl, any interest? Mouser has the toshiba 2sk170bl in stock. At 1000units it costs 0.48$ per unit. If we get 10 people @ 100 units per person this would be quite easy to accomplish. Please let me know if anyone has interest in this.

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23rd October 2012, 02:53 PM	#2
AndrewT diyAudio Member Join Date: Jul 2004 Location: Scottish Borders	Ask Mouser for a warranty. And check a few/many before you start distributing around the world.

23rd October 2012, 05:05 PM	#4
maxwelx64 diyAudio Member Join Date: Apr 2009	i'm interested for 200 units, but what i consent is the shipping fee..

23rd October 2012, 05:51 PM	#5
qusp is choosing a less facetious title... diyAudio Member Join Date: Oct 2009 Location: Brisbane, Australia	mouser will ship for free with an order like that, at least to AU they would

23rd October 2012, 09:31 PM	#6
MASantos diyAudio Member Join Date: May 2005 Location: Lisbon Portugal	Shipping would be free from mouser to me and then A padded envelope and shipping should go for about 5 or 6$

23rd October 2012, 09:40 PM	#7
qusp is choosing a less facetious title... diyAudio Member Join Date: Oct 2009 Location: Brisbane, Australia	no need for me i'm afraid, got plenty, good luck chaps!

23rd October 2012, 10:42 PM	#10
MASantos diyAudio Member Join Date: May 2005 Location: Lisbon Portugal	Maybe I'm being naive, but would mouser really buy transistors from a doubtful source? I don't have any means for testing them so thoroughly so I couldn't provide any assurance that they are genuine. Maybe this is much more troublesome than I thought...