New list for pair matched transistors/jfets/fets
Sorry for no news for so long time. Finally we got a high-end semiconductor tracer for our pair matching service. Following accuracy can be guaranteed:
small signal differencial: 0.5%
small signal complementary: 1%
medium power differencial: 1%
medium complementary: 2%
high power differencial: 1%
high power complementary: 3%
Now the following transistors/jfets/mosfets are available:
Matching transistors is really a tough work, sometimes even a nightmare. For differecial pairs it's not a problem, there're almost no waste if there're enough number of transistors. But for complementary it's quite different. Sometimes it's hard to find even only one pair in 500pcs batch. Then you have to buy another batch. We have a large stock of unmatched transistors from ON, Toshiba and IRF.
The prices are modified because of thei high cost of matching, sorry for that but I think you'll understand how difficult it is.
Do you still offer these, Ray?
no they have been sold out for a long time, sorry...
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