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1. [Amps] Mica capacitors - friend or foe? (score: 1): Author: EVonvaltie@aol.com (EVonvaltie@aol.com); Date: Fri, 24 May 2002 07:59:50 EDT; I still question this assertion that mica degrades at HF. According to the best information I have ( which I will be glad to post if anyone cares) mica has a loss factor of 2x10^-4 at frequencies up; /archives//html/Amps/2002-05/msg00409.html (8,617 bytes)
2. [Amps] Mica capacitors - friend or foe? (score: 1): Author: EVonvaltie@aol.com (EVonvaltie@aol.com); Date: Fri, 24 May 2002 10:49:05 EDT; Todd: I have a number of tricks that I have developed over the years for building up capacitors. Perhaps I will reveal some of them soon - unfortunately some of my data is proprietary since I am in t; /archives//html/Amps/2002-05/msg00410.html (8,877 bytes)
3. [Amps] Mica capacitors - friend or foe? (score: 1): Author: 2@mail.vcnet.com (Richard); Date: Fri, 24 May 2002 09:18:31 -0700; The Mica transmitting capacitors in my junk box have decreased current ratings as freq increases. cheerz, Eric - R. L. Measures, a.k.a. Rich..., 805.386.3734,AG6K, www.vcnet.com/measures. end; /archives//html/Amps/2002-05/msg00414.html (7,616 bytes)
4. [Amps] Mica capacitors - friend or foe? (score: 1): Author: EVonvaltie@aol.com (EVonvaltie@aol.com); Date: Fri, 24 May 2002 14:15:38 EDT; Oops - I didn't notice that it was addressed to me directly. He was having trouble with temperature drift in his homebrew capacitor. Eric K8LV -- StripMime Report -- processed MIME parts -- multipart; /archives//html/Amps/2002-05/msg00418.html (7,592 bytes)
5. [Amps] Mica capacitors - friend or foe? (score: 1): Author: EVonvaltie@aol.com (EVonvaltie@aol.com); Date: Fri, 24 May 2002 14:36:07 EDT; Unfortunately that's not the main issue. What's relavent is how they perform relative to other types (e.g. ceramic). You expressed the opinion that they degrade more than other caps as f increases, a; /archives//html/Amps/2002-05/msg00419.html (8,528 bytes)
6. [Amps] Mica capacitors - friend or foe? (score: 1): Author: 2@mail.vcnet.com (Richard); Date: Fri, 24 May 2002 12:39:26 -0700; Rating of 50-Series ceramic, 100pF, 7.5kV, n750: 1MHz--3.6A, 30MHz--9.6A http://www.highenergycorp.com/ceramic/ht50.html I said that the current carrying ability decreases above 5MHz. - R. L. Measur; /archives//html/Amps/2002-05/msg00420.html (8,251 bytes)
7. [Amps] Mica capacitors - friend or foe? (score: 1): Author: philk5pc@tyler.net (Phil Clements); Date: Fri, 24 May 2002 16:11:44 -0500; I have a mica cap. here on my desk that I use for a paper-weight. It is made by Captron.....5100 pf @ 3000 peak volts. The current ratings marked on it are: 9.1 amps @ 3000 khz 8.2 amps @ 1000 khz 6.; /archives//html/Amps/2002-05/msg00421.html (8,234 bytes)
8. [Amps] Mica capacitors - friend or foe? (score: 1): Author: wb8jkr@juno.com (wb8jkr@juno.com); Date: Fri, 24 May 2002 20:10:43 -0400; Doesn't one also have to consider the reactance of the cap at a specific frequency and the result change in possible breakdown E of the cap? A cap with 50 ohms of reactance and 10 amps flowing throug; /archives//html/Amps/2002-05/msg00422.html (9,716 bytes)
9. [Amps] Mica capacitors - friend or foe? (score: 1): Author: W8JI@contesting.com (Tom Rauch); Date: Fri, 24 May 2002 22:05:52 -0400; The only problem with mica caps is the expense for HV high-current units with low lead inductance compared to ceramic types. Otherwise, I'd use 'em.73, Tom W8JI W8JI@contesting.com; /archives//html/Amps/2002-05/msg00423.html (7,610 bytes)
10. [Amps] Mica capacitors - friend or foe? (score: 1): Author: 2@mail.vcnet.com (Richard); Date: Sat, 25 May 2002 02:38:29 -0700; Yes, V consideration is why the allowable current flow decreases at low freqs. Cheers, Mark. - R. L. Measures, a.k.a. Rich..., 805.386.3734,AG6K, www.vcnet.com/measures. end; /archives//html/Amps/2002-05/msg00424.html (10,492 bytes)

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