On Mon, 4 Jun 2018 14:49:00 -0700 (PDT), Lasse Langwadt Christensen <langwadt@fonz.dk> wrote:>mandag den 4. juni 2018 kl. 23.42.01 UTC+2 skrev Jim Thompson: >> On 4 Jun 2018 14:04:31 -0700, Winfield Hill <hill@rowland.harvard.edu> >> wrote: >> >> >bitrex wrote... >> >> >> >> >> >>Should start a s.e.d. fabless semiconductor company and get them made >> >>again, China will make whatever you like. You could advertise it as >> >>exactly that "The Last Fast PNP" like the Last of the Mohicans or something. >> > >> > It's be nice to have it available in a SOT-323 SC70 package. >> >> Maybe you and Hobbs should buy a wafer or two? Then, as time moves >> on, package them to suit the era? >> > >digikey has 18000 in stock, $2,835 for 15000 how many wafers can you get for that? >Discrete device wafers are dirt-cheap and low profitability. That's why the devices are being phased out. Was anyone besides Hobbs buying them? ...Jim Thompson -- | James E.Thompson | mens | | Analog Innovations | et | | Analog/Mixed-Signal ASIC's and Discrete Systems | manus | | STV, Queen Creek, AZ 85142 Skype: skypeanalog | | | Voice:(480)460-2350 Fax: Available upon request | Brass Rat | | E-mail Icon at http://www.analog-innovations.com | 1962 | Thinking outside the box... producing elegant solutions, by understanding what nature is hiding. "It is not in doing what you like, but in liking what you do that is the secret of happiness." -James Barrie
Well, it happened--the last fast PNP is EOL
Started by ●June 4, 2018
Reply by ●June 4, 20182018-06-04
Reply by ●June 4, 20182018-06-04
"Jim Thompson" <To-Email-Use-The-Envelope-Icon@On-My-Web-Site.com> wrote in message news:grmbhdhi44j5sso87algbv2ld6323jrm3v@4ax.com...> On Mon, 4 Jun 2018 14:49:00 -0700 (PDT), Lasse Langwadt Christensen > <langwadt@fonz.dk> wrote: > >>mandag den 4. juni 2018 kl. 23.42.01 UTC+2 skrev Jim Thompson: >>> On 4 Jun 2018 14:04:31 -0700, Winfield Hill <hill@rowland.harvard.edu> >>> wrote: >>> >>> >bitrex wrote... >>> >> >>> >> >>> >>Should start a s.e.d. fabless semiconductor company and get them made >>> >>again, China will make whatever you like. You could advertise it as >>> >>exactly that "The Last Fast PNP" like the Last of the Mohicans or >>> >>something. >>> > >>> > It's be nice to have it available in a SOT-323 SC70 package. >>> >>> Maybe you and Hobbs should buy a wafer or two? Then, as time moves >>> on, package them to suit the era? >>> >> >>digikey has 18000 in stock, $2,835 for 15000 how many wafers can you get >>for that? >> > > Discrete device wafers are dirt-cheap and low profitability. That's > why the devices are being phased out. Was anyone besides Hobbs buying > them? > > ...Jim Thompson > --Haha. Not anymore.
Reply by ●June 4, 20182018-06-04
On Mon, 04 Jun 2018 17:40:05 -0700, Jim Thompson <To-Email-Use-The-Envelope-Icon@On-My-Web-Site.com> wrote:>On Mon, 4 Jun 2018 14:49:00 -0700 (PDT), Lasse Langwadt Christensen ><langwadt@fonz.dk> wrote: > >>mandag den 4. juni 2018 kl. 23.42.01 UTC+2 skrev Jim Thompson: >>> On 4 Jun 2018 14:04:31 -0700, Winfield Hill <hill@rowland.harvard.edu> >>> wrote: >>> >>> >bitrex wrote... >>> >> >>> >> >>> >>Should start a s.e.d. fabless semiconductor company and get them made >>> >>again, China will make whatever you like. You could advertise it as >>> >>exactly that "The Last Fast PNP" like the Last of the Mohicans or something. >>> > >>> > It's be nice to have it available in a SOT-323 SC70 package. >>> >>> Maybe you and Hobbs should buy a wafer or two? Then, as time moves >>> on, package them to suit the era? >>> >> >>digikey has 18000 in stock, $2,835 for 15000 how many wafers can you get for that? >> > >Discrete device wafers are dirt-cheap and low profitability. That's >why the devices are being phased out. Was anyone besides Hobbs buying >them? > > ...Jim ThompsonI sure was. And a lot of SOT-89 parts, now gone too. If the wafers are cheap, somebody could bake a crate full of them, jack up the device prices, and do OK. And not annoy a lot of maybe-future customers. -- John Larkin Highland Technology, Inc picosecond timing precision measurement jlarkin att highlandtechnology dott com http://www.highlandtechnology.com
Reply by ●June 4, 20182018-06-04
On 06/04/2018 08:40 PM, Jim Thompson wrote:> On Mon, 4 Jun 2018 14:49:00 -0700 (PDT), Lasse Langwadt Christensen > <langwadt@fonz.dk> wrote: > >> mandag den 4. juni 2018 kl. 23.42.01 UTC+2 skrev Jim Thompson: >>> On 4 Jun 2018 14:04:31 -0700, Winfield Hill <hill@rowland.harvard.edu> >>> wrote: >>> >>>> bitrex wrote... >>>>> >>>>> >>>>> Should start a s.e.d. fabless semiconductor company and get them made >>>>> again, China will make whatever you like. You could advertise it as >>>>> exactly that "The Last Fast PNP" like the Last of the Mohicans or something. >>>> >>>> It's be nice to have it available in a SOT-323 SC70 package. >>> >>> Maybe you and Hobbs should buy a wafer or two? Then, as time moves >>> on, package them to suit the era? >>> >> >> digikey has 18000 in stock, $2,835 for 15000 how many wafers can you get for that? >> > > Discrete device wafers are dirt-cheap and low profitability. That's > why the devices are being phased out. Was anyone besides Hobbs buying > them? > > ...Jim Thompson >I think everyone here who uses them regularly should let us all know just how many they use per annum and exactly how precious the last of these fast PNPs are because y'know...<checks total web stock, checks bank account> I'm just curious
Reply by ●June 4, 20182018-06-04
On Mon, 04 Jun 2018 18:02:47 -0700, John Larkin <jjlarkin@highland_snip_technology.com> wrote:>On Mon, 04 Jun 2018 17:40:05 -0700, Jim Thompson ><To-Email-Use-The-Envelope-Icon@On-My-Web-Site.com> wrote: > >>On Mon, 4 Jun 2018 14:49:00 -0700 (PDT), Lasse Langwadt Christensen >><langwadt@fonz.dk> wrote: >> >>>mandag den 4. juni 2018 kl. 23.42.01 UTC+2 skrev Jim Thompson: >>>> On 4 Jun 2018 14:04:31 -0700, Winfield Hill <hill@rowland.harvard.edu> >>>> wrote: >>>> >>>> >bitrex wrote... >>>> >> >>>> >> >>>> >>Should start a s.e.d. fabless semiconductor company and get them made >>>> >>again, China will make whatever you like. You could advertise it as >>>> >>exactly that "The Last Fast PNP" like the Last of the Mohicans or something. >>>> > >>>> > It's be nice to have it available in a SOT-323 SC70 package. >>>> >>>> Maybe you and Hobbs should buy a wafer or two? Then, as time moves >>>> on, package them to suit the era? >>>> >>> >>>digikey has 18000 in stock, $2,835 for 15000 how many wafers can you get for that? >>> >> >>Discrete device wafers are dirt-cheap and low profitability. That's >>why the devices are being phased out. Was anyone besides Hobbs buying >>them? >> >> ...Jim Thompson > >I sure was. And a lot of SOT-89 parts, now gone too. > >If the wafers are cheap, somebody could bake a crate full of them, >jack up the device prices, and do OK. And not annoy a lot of >maybe-future customers.Look into it. Lansdale bought a lot of the rights to Moto chips... still selling some I designed 50+ years ago. ...Jim Thompson -- | James E.Thompson | mens | | Analog Innovations | et | | Analog/Mixed-Signal ASIC's and Discrete Systems | manus | | STV, Queen Creek, AZ 85142 Skype: skypeanalog | | | Voice:(480)460-2350 Fax: Available upon request | Brass Rat | | E-mail Icon at http://www.analog-innovations.com | 1962 | Thinking outside the box... producing elegant solutions, by understanding what nature is hiding. "It is not in doing what you like, but in liking what you do that is the secret of happiness." -James Barrie
Reply by ●June 5, 20182018-06-05
"Jim Thompson" <To-Email-Use-The-Envelope-Icon@On-My-Web-Site.com> wrote in message news:4psbhdloovifoq9s67h0n5s734e374g5vc@4ax.com...> On Mon, 04 Jun 2018 18:02:47 -0700, John Larkin > <jjlarkin@highland_snip_technology.com> wrote: > >>On Mon, 04 Jun 2018 17:40:05 -0700, Jim Thompson >><To-Email-Use-The-Envelope-Icon@On-My-Web-Site.com> wrote: >> >>>On Mon, 4 Jun 2018 14:49:00 -0700 (PDT), Lasse Langwadt Christensen >>><langwadt@fonz.dk> wrote: >>> >>>>mandag den 4. juni 2018 kl. 23.42.01 UTC+2 skrev Jim Thompson: >>>>> On 4 Jun 2018 14:04:31 -0700, Winfield Hill <hill@rowland.harvard.edu> >>>>> wrote: >>>>> >>>>> >bitrex wrote... >>>>> >> >>>>> >> >>>>> >>Should start a s.e.d. fabless semiconductor company and get them >>>>> >>made >>>>> >>again, China will make whatever you like. You could advertise it as >>>>> >>exactly that "The Last Fast PNP" like the Last of the Mohicans or >>>>> >>something. >>>>> > >>>>> > It's be nice to have it available in a SOT-323 SC70 package. >>>>> >>>>> Maybe you and Hobbs should buy a wafer or two? Then, as time moves >>>>> on, package them to suit the era? >>>>> >>>> >>>>digikey has 18000 in stock, $2,835 for 15000 how many wafers can you get >>>>for that? >>>> >>> >>>Discrete device wafers are dirt-cheap and low profitability. That's >>>why the devices are being phased out. Was anyone besides Hobbs buying >>>them? >>> >>> ...Jim Thompson >> >>I sure was. And a lot of SOT-89 parts, now gone too. >> >>If the wafers are cheap, somebody could bake a crate full of them, >>jack up the device prices, and do OK. And not annoy a lot of >>maybe-future customers. > > Look into it. Lansdale bought a lot of the rights to Moto chips... > still selling some I designed 50+ years ago. > > ...Jim Thompson > --Jim, you should post a list of all the chips you designed. Regards
Reply by ●June 5, 20182018-06-05
Winfield Hill <hill@rowland.harvard.edu> wrote:> bitrex wrote... >> >> >>Should start a s.e.d. fabless semiconductor company and get them made >>again, China will make whatever you like. You could advertise it as >>exactly that "The Last Fast PNP" like the Last of the Mohicans or something. > > It's be nice to have it available in a SOT-323 SC70 package.It is called BFT92W. Future Electronics still has one reel left :) --- ****************************************************************** * KSI@home KOI8 Net < > The impossible we do immediately. * * Las Vegas NV, USA < > Miracles require 24-hour notice. * ******************************************************************
Reply by ●June 5, 20182018-06-05
On Mon, 4 Jun 2018 11:54:15 -0400, Phil Hobbs <pcdhSpamMeSenseless@electrooptical.net> wrote:>BFT92, RIP. :( > >NXP, you lousy bastards, you just took away about a quarter of my design >space. Get 'em while they last. > >Razza frazza mfrgremnmnn.... > >Phil Hobbshttps://secure.sayal.com/zinc/zinc_SEARCH.asp?txtSEARCH=BFT92 Regards, Boris Mohar Got Knock? - see: Viatrack Printed Circuit Designs (among other things) http://www.viatrack.ca void _-void-_ in the obvious place --- This email has been checked for viruses by Avast antivirus software. https://www.avast.com/antivirus
Reply by ●June 5, 20182018-06-05
On 06/04/2018 06:08 PM, Joerg wrote:> On 2018-06-04 09:22, Phil Hobbs wrote: >> On 06/04/2018 12:03 PM, Gerhard Hoffmann wrote: >>> Am 04.06.2018 um 17:54 schrieb Phil Hobbs: >>>> BFT92, RIP. :( >>>> >>>> NXP, you lousy bastards, you just took away about a quarter of my >>>> design >>>> space. Get 'em while they last. >>> >>> >>> < >>> https://www.intersil.com/en/products/space-and-harsh-environment/harsh-environment/transistor-arrays/HFA3096.html >>> >>> > >>> >>> Let's hope that at least _these_ stay for some time.. >>> >>> cheers, Gerhard >>> >> >> Yeah, true, there are those. Unfortunately their Rbb' and Ree' are the >> pits. >> >> I just bought Newark's last reel of BFT92s, so we'll be okay for our own >> stuff, but I can't use them in custom or licensed designs any more. >> >> Which is a great pity--fast PNP wraparounds are good for a lot of things. >> > > Digikey has several reels: > > https://www.digikey.com/product-detail/en/nxp-usa-inc/BFT92215/568-1655-2-ND/763259 > > > You could buy some, put them in a nitrogen cabinet and 10 years down the > road less the individual transistors at auction for $5 a pop :-) >They're still available from NXP till November, though I don't know how many more wafers they'll actually be processing. One reel is probably enough for my needs, but this move puts some of my customers in a bit of a jam. I just got a call this morning to redesign a circuit from a year or two back, and I expect there'll be more. Not the sort of new business I'm most fond of. NXP. What a bunch of morons. Cheers Phil Hobbs -- Dr Philip C D Hobbs Principal Consultant ElectroOptical Innovations LLC Optics, Electro-optics, Photonics, Analog Electronics 160 North State Road #203 Briarcliff Manor NY 10510 hobbs at electrooptical dot net http://electrooptical.net
Reply by ●June 5, 20182018-06-05
On 2018-06-05 06:42, Phil Hobbs wrote:> On 06/04/2018 06:08 PM, Joerg wrote: >> On 2018-06-04 09:22, Phil Hobbs wrote: >>> On 06/04/2018 12:03 PM, Gerhard Hoffmann wrote: >>>> Am 04.06.2018 um 17:54 schrieb Phil Hobbs: >>>>> BFT92, RIP. :( >>>>> >>>>> NXP, you lousy bastards, you just took away about a quarter of my >>>>> design >>>>> space. Get 'em while they last. >>>> >>>> >>>> < >>>> https://www.intersil.com/en/products/space-and-harsh-environment/harsh-environment/transistor-arrays/HFA3096.html >>>> >>>> > >>>> >>>> Let's hope that at least _these_ stay for some time.. >>>> >>>> cheers, Gerhard >>>> >>> >>> Yeah, true, there are those. Unfortunately their Rbb' and Ree' are the >>> pits. >>> >>> I just bought Newark's last reel of BFT92s, so we'll be okay for our own >>> stuff, but I can't use them in custom or licensed designs any more. >>> >>> Which is a great pity--fast PNP wraparounds are good for a lot of >>> things. >>> >> >> Digikey has several reels: >> >> https://www.digikey.com/product-detail/en/nxp-usa-inc/BFT92215/568-1655-2-ND/763259 >> >> >> You could buy some, put them in a nitrogen cabinet and 10 years down >> the road less the individual transistors at auction for $5 a pop :-) >> > > They're still available from NXP till November, though I don't know how > many more wafers they'll actually be processing. > > One reel is probably enough for my needs, but this move puts some of my > customers in a bit of a jam. I just got a call this morning to redesign > a circuit from a year or two back, and I expect there'll be more. Not > the sort of new business I'm most fond of. > > NXP. What a bunch of morons. >If its any comfort I used a class-D driver IC from another manufacturer in an unorthodox fashion, as a lab bench device to drive large capacitive loads fast. Meaning ordinary class-D driver chips won't cut it. Yesterday a client asked me how to turn this module into a smaller version and get it into production for other purposes. Needless to say, this IC has been obsoleted. Harumph! Guess we are in the same boat again :-) -- Regards, Joerg http://www.analogconsultants.com/
