Reliable Ebay parts suppliers?

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Are there any reliable parts sources on ebay? I am trying to find a pair of outputs for an amp I have. I need a 2SC5198 and a 2SA1941. MCM has them but wants 9 dollars to ship two transistors. On ebay I could get 4 pairs or more for the same price. I really want to make sure I get a good part but am unsure of the integrity of the ebay parts and suppliers. On another note does anyone know if a TIP35C and TIP36C would work as a replacement?
 
I've had problems with biasing when using the TIP35C and TIP36C in place of the 2S transistors. They can be used but you have to test to thermal shutdown and likely will have to modify the circuit.

I've been using the FJA4213 and the FJA4313 for all of the 2S transistors in that case style. I've never had a problem with reliability or biasing.
http://datasheet.octopart.com/FJA4213RTU-Fairchild-datasheet-140630.pdf

The FJA4310 and 4210 will likely work in your amp if you can't find the ones above.
 
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Well I am all out of the FJA4210 and 4310. I've found the FJA4213 and 4313 at digikey but they have two versions. They have the FJA4213RTU/FJA4313RTU and the FJA4213OTU/FJA4313OTU. Only difference I see between them is current gain. Does it matter which one I use?
 
When it comes to transistors and Ebay(I sell and buy on Ebay) I buy my Transistors from Tech diy here on the forum , or digikey,mouser, and for hard to source parts audiolab in Geogia,USA . Common stuff like IRFP's for drivers and such Ebay is not too bad ...Let the buyer beware you can get fakes from good suppliers.

Regards, Elwood
 
Ebay Components

I have never had a problem with Ebay vendors. I always look for free shipping, and I always deal with a vendor with a large sales number. If a vendor has sold hundreds of items and has a good track record, then that's a pretty good indication of good product & service.
 
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