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Old 2nd September 2011, 04:19 PM   #1
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Default TSE Parts

Hello,
I've just ordered some parts for the Tubelab SE from Digi-Key. They didn't have the FRED diodes in stock and the Toshiba 2SK3863 are now obsolete and unavailable. They also didn't have the dual heat sink HS219-ND. Does anyone out there know of a source for the Toshiba Mosfets and heatsinks or suitable substitutes? If you have any extras, I'm willing to buy.
Thanks,
David
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Old 2nd September 2011, 04:23 PM   #2
evanc is online now evanc  United States
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mosfets are discussed here....
Mosfets for Tubelab SE?
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Old 2nd September 2011, 04:25 PM   #3
jrobson is offline jrobson  South Africa
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You can get it from mouser.
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Old 2nd September 2011, 04:28 PM   #4
evanc is online now evanc  United States
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maybe for the heatsinks...
HS369-ND from digi-key
Digi-Key - HS369-ND (Manufacturer - 578622B03200G)
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Old 2nd September 2011, 05:35 PM   #5
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I recently trawled the forums for help on this ...

In place of Fred diode I ordered digikey 497-7610-5-ND
Managed to source the Toshiba mosfets - Hong Kong (hopefully genuine)
Heatsinks - as evanc says ...

Alan
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FLAC, Ethernet over Mains, SB3, GD Audio DAC 19. Tubelab SE with TJ Meshplate 45s. Fostex FE208ez in Kirishima Horns with Fountek NeoCD 2.0 Ribbon supertweeters (0.68uF & LPads).
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Old 4th September 2011, 05:41 PM   #6
pso is offline pso  Spain
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Hi TerribleT.

This seems a good substitute , Digi-Key Part Number TK4A60D(Q)-ND.
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Old 4th September 2011, 09:19 PM   #7
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Hello Gentlemen,
You guys are very helpful, too helpful I'm afraid. Now, I have four or maybe more choices of mosfets to choose from:

1. TK4A60D(Q)-ND Suggested by pso. Please tell me if you've used this part and if it works properly.

2. FDPF5N50NZ-ND Beeah said he would use this part. Beeah, how did it work out?

3. 2SK3565-ND Evanc used this part but it is now obsolete. Would a 2sk3564 work?

4. IRF830APBF-ND This part was used by Alco and it worked fine for him.

So gentlemen, which shall it be #1,2,3,4, or other?
Thanks
David
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Old 4th September 2011, 10:36 PM   #8
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These guys delivered to me in the UK last month ...
----------
This is Vanessa from Hongkong Hungyick Trading Co.
2SK3563 TOSHIBA TO-220   4PCS $5.00/pcs NEW And Original
Delivery time: arrange immediately once customer paid,usually 2-3days
Quality guaranteed period : 90days
----------
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FLAC, Ethernet over Mains, SB3, GD Audio DAC 19. Tubelab SE with TJ Meshplate 45s. Fostex FE208ez in Kirishima Horns with Fountek NeoCD 2.0 Ribbon supertweeters (0.68uF & LPads).
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Old 4th September 2011, 11:49 PM   #9
evanc is online now evanc  United States
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it looks to me that the 2sk3564 would work as well as the 2sk3565 I used. It has a lower Crss which according to George is good. I also added an additional heat sink to the Q1 Q2 U2 U3 group. It still gets quite hot.
Evan
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Old 5th September 2011, 12:51 AM   #10
pso is offline pso  Spain
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I have not tried , but the features are almost identical and the most important ( Crss ) should be low , 7 pf in 2SK3563 and 4pf in TK4A60D(Q) , would be worth trying.
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