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Sprague "Bumble Bee" and "Black Beauty" condensers were molded improperly, and they will crack, especially the oil filled ones, and let in moisture. That seems to react with the oil and make it

Well, it's been a while since I've done anything with fiber, but I used to subscribe to Laser Focus World, Photonics Spectra, and Fiber Optic Products Digest magazines.? I think there was also a

Dear all can someone please guide me to illustration of the different Fibber optic connectors also the cheapest way to get an optical source as i want to test out an optical analyser I was

?? Who made those? Some early advertising for Sprague Black Beauty caps said they were plasticized paper. The main problem with these is some sort of production problem they had. I have dissected a

??? Black Cat or Black Beauty, never heard of Black Cat. Black Beauty was a trade name of Sprague, they are notorious. Modern polypropylene caps are about the best performing of the plastic caps,

Even the later plasticized-paper “Prokar” and “DiFilm” versions can cause trouble in some applications – they may not be leaky, but their Dielectric Absorption and Dissipation Factor are

The hex file created for PIC17C44 is identical to that for PIC17C42A – so can use them without even needing to change the code. Sent: 04 November 2021 13:40 To:

Hi; I sent an email to the vendor asking for photos of the product note which he has supplied and I have attached the photos. I don't know what has gone south but since he has responded to me I

ETs are Engineering Tools, that were specially built or modified for internal use like production testing, adjustment purposes or similar. Therefore, usually there is no official, public information

Thanks – yes a PIC17C44 should work OK if I re-assemble the code using pic17c44a.inc - may even work w/o reassembly David Sent: 04 November 2021 08:58 To:

ALL Sprague "Black Cat", "Black Beauty" and? color striped "Bumble Bee" condensers should be considered bad on sight. Unfortunately, they are common in older equipment of all makes and models. The

My unit has Black Cat 0.5MFD 400v axial capacitors for C8 and C9. Would 630v polyester unpolarised caps be ok replacements?

Hi David, Nexxon shows stock, you'll have to get a quote to see if its real & affordable. https://www.nexxoninc.com/part/PIC17C42A-33I-JW/ Microchip keeps switching to the PIC17C44 rather than

Thanks to all who replied!

That is not quite the way it was done at Loveland HP, I'm sure it depended on the division and when in HP history it was designed.? Most instrument division ETs from the 70s and early 80's at least

Hi, Would strongly suggest you install a 350v AC rated X rated capacitor rather than a 300v component, particularly if being used in a 220/240v AC environment. 350v components are readily

HI Milan, The CLIP is very useful.? It is nice that it includes all of the options too.? Thank you for making that available at a reasonable price. ?I guess the inductors were a bit lighter than

C8 and C9 are 0.47uF paper coupling capacitors which can leak current, which will change the output tubes bias and cause them to conduct excessive current. Those mica will fail shorted, or simply

Mica caps short from silver migration. I used to see a lot of them going bad in IF transformers when the gap got small enough to arc. The radio sounded like heavy thunder. One TV transmitter that I

That is true, and not for sale. Bill Lauchlan Sent: Wednesday, November 03, 2021 4:00 PM To: [email protected] Subject: Re: [HP-Agilent-Keysight-equipment] HP ET8866 True