Vishay Mosfet group going under?
in [Design]
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From: Phil Hobbs on 11 Jun 2010 22:54 Nemo wrote: >> I heard that Vishay is cancelling open orders for fets and shutting >> lines down. I suspect my intelligence sources though. Has anyone >> heard anything that might confirm this? > > I was looking for 2N4117's and 9's recently (ultra low C and leakage > JFETs) for protecting sensitive inputs in a diode-connected > configuration. Distributor said Vishay had discontinued them, I > contacted Vishay who said they discontinued them a couple of years ago > when they changed the line to a different process but there had been > massive stocks in hand so it wasn't obvious at first. I don't think > Vishay are pulling out of JFETs completely. > > Fairchild make MMBF4117/9 and there's also an SP4117/9 from some other > company. But both are on many week leadtime. So I wonder if these old > but good parts may be incompatible with modern fab processes, which > would be a pain. > > Can anyone recommend a more available low leakage JFET along these > lines? I'm wondering if everyone's moved onto a more modern part and I > just hadn't heard BFT25A C-B junctions are at least as good as 2N4117As as diodes. Cheers Phil Hobbs -- Dr Philip C D Hobbs Principal ElectroOptical Innovations 55 Orchard Rd Briarcliff Manor NY 10510 845-480-2058 hobbs at electrooptical dot net http://electrooptical.net
From: Wanderer on 7 Jul 2010 14:10
On Jun 5, 9:54 am, Yzordderrex <powersupply...(a)netzero.net> wrote: > I heard that Vishay is cancelling open orders for fets and shutting > lines down. I suspect my intelligence sources though. Has anyone > heard anything that might confirm this? > > regards, > Bob It's not just Vishay. http://www.isuppli.com/Teardowns-Manufacturing-and-Pricing/News/Pages/Severe-Shortages-Impact-Key-Commodity-Components.aspx |