https://www.digikey.com/en/products/detail/microchip-technology/JANS1N4102DUR-1-TR/13995295 Somebody must buy them. -- If a man will begin with certainties, he shall end with doubts, but if he will be content to begin with doubts he shall end in certainties. Francis Bacon
zener!
Started by ●October 15, 2021
Reply by ●October 15, 20212021-10-15
On 10/15/2021 1:01 PM, John Larkin wrote:> https://www.digikey.com/en/products/detail/microchip-technology/JANS1N4102DUR-1-TR/13995295 > > Somebody must buy them. >Nicely priced, John! Mikek -- This email has been checked for viruses by Avast antivirus software. https://www.avast.com/antivirus
Reply by ●October 15, 20212021-10-15
On Friday, October 15, 2021 at 6:01:14 PM UTC, John Larkin wrote:> https://www.digikey.com/en/products/detail/microchip-technology/JANS1N4102DUR-1-TR/13995295 > > Somebody must buy them. > > -- > > If a man will begin with certainties, he shall end with doubts, > but if he will be content to begin with doubts he shall end in certainties. > Francis BaconAvalanche 8.7 volts, seems odd, probably associated with a one design or application. (input clamp?). Must be some extant military gear with support contract, keeping the (sub)contractor in business. $140 for a mil-spec part,.. I dunno, haven't kept up on these, but honestly isn't a surprise to me... =RS
Reply by ●October 15, 20212021-10-15
> Avalanche 8.7 volts, seems odd, probably associated with a one design or > application. (input clamp?). > Must be some extant military gear with support contract, keeping the > (sub)contractor in business. > $140 for a mil-spec part,.. I dunno, haven't kept up on these, but honestly isn't > a surprise to me... > > =RS..because.. (for newbies) for mil-spec you're also paying for testing, documentation, and traceability all attached to that part. (Producing the part itself is just a small part! = RS
Reply by ●October 15, 20212021-10-15
On Friday, October 15, 2021 at 11:21:28 AM UTC-7, Rich S wrote:> On Friday, October 15, 2021 at 6:01:14 PM UTC, John Larkin wrote: > > https://www.digikey.com/en/products/detail/microchip-technology/JANS1N4102DUR-1-TR/13995295 > > > > Somebody must buy them. > > > > -- > > > > If a man will begin with certainties, he shall end with doubts, > > but if he will be content to begin with doubts he shall end in certainties. > > Francis Bacon > Avalanche 8.7 volts, seems odd, probably associated with a one design or > application. (input clamp?). > Must be some extant military gear with support contract, keeping the > (sub)contractor in business. > $140 for a mil-spec part,.. I dunno, haven't kept up on these, but honestly isn't > a surprise to me...Perhaps they have some special alien metal (anti-Lithium?) for 8.7V, but for us civilian 4.3V would be nice.
Reply by ●October 15, 20212021-10-15
On Fri, 15 Oct 2021 11:21:24 -0700 (PDT), Rich S <richsulinengineer@gmail.com> wrote:>On Friday, October 15, 2021 at 6:01:14 PM UTC, John Larkin wrote: >> https://www.digikey.com/en/products/detail/microchip-technology/JANS1N4102DUR-1-TR/13995295 >> >> Somebody must buy them. >> >> -- >> >> If a man will begin with certainties, he shall end with doubts, >> but if he will be content to begin with doubts he shall end in certainties. >> Francis Bacon > >Avalanche 8.7 volts, seems odd, probably associated with a one design or >application. (input clamp?). >Must be some extant military gear with support contract, keeping the >(sub)contractor in business. >$140 for a mil-spec part,.. I dunno, haven't kept up on these, but honestly isn't >a surprise to me... > >=RSI need an 8.7 v 2% zener as a clamp, to protect a $300 distributed amp chip rated for 9 volts abs max. Parts are hard to get lately. I'll go for 5% and pray. -- If a man will begin with certainties, he shall end with doubts, but if he will be content to begin with doubts he shall end in certainties. Francis Bacon
Reply by ●October 15, 20212021-10-15
fredag den 15. oktober 2021 kl. 20.01.14 UTC+2 skrev John Larkin:> https://www.digikey.com/en/products/detail/microchip-technology/JANS1N4102DUR-1-TR/13995295 > > Somebody must buy them. >right on the middle of the page Series: Military, MIL-PRF-19500/435
Reply by ●October 15, 20212021-10-15
On Fri, 15 Oct 2021 11:24:12 -0700 (PDT), Rich S <richsulinengineer@gmail.com> wrote:> >> Avalanche 8.7 volts, seems odd, probably associated with a one design or >> application. (input clamp?). >> Must be some extant military gear with support contract, keeping the >> (sub)contractor in business. >> $140 for a mil-spec part,.. I dunno, haven't kept up on these, but honestly isn't >> a surprise to me... >> >> =RS > >..because.. (for newbies) >for mil-spec you're also paying for testing, documentation, >and traceability all attached to that part. (Producing the part itself is >just a small part! > >= RSThey are robbing people like military and semiconductor copy-exact users who can't easily change things. It's a common thing to do lately. -- If a man will begin with certainties, he shall end with doubts, but if he will be content to begin with doubts he shall end in certainties. Francis Bacon
Reply by ●October 15, 20212021-10-15
fredag den 15. oktober 2021 kl. 20.43.17 UTC+2 skrev John Larkin:> On Fri, 15 Oct 2021 11:24:12 -0700 (PDT), Rich S > <richsuli...@gmail.com> wrote: > > > > >> Avalanche 8.7 volts, seems odd, probably associated with a one design or > >> application. (input clamp?). > >> Must be some extant military gear with support contract, keeping the > >> (sub)contractor in business. > >> $140 for a mil-spec part,.. I dunno, haven't kept up on these, but honestly isn't > >> a surprise to me... > >> > >> =RS > > > >..because.. (for newbies) > >for mil-spec you're also paying for testing, documentation, > >and traceability all attached to that part. (Producing the part itself is > >just a small part! > > > >= RS > They are robbing people like military and semiconductor copy-exact > users who can't easily change things.also stops other people buying the, I assume, limited number of parts is of the exact type and that has all the paperwork
Reply by ●October 15, 20212021-10-15
On Fri, 15 Oct 2021 11:01:04 -0700, John Larkin <jlarkin@highland_atwork_technology.com> wrote:>https://www.digikey.com/en/products/detail/microchip-technology/JANS1N4102DUR-1-TR/13995295 > >Somebody must buy them.The JAN (Joint Army Navy) part number is the tell. Supporting old equipment. Typical lifecycles are 20 to 40 years. Joe Gwinn
