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1. [TenTec] Slightly OT: Astron question, correction (score: 1): Author: "Michael Tortorella" <w2iy@verizon.net>; Date: Thu, 07 Jun 2007 00:22:15 -0400; Hi, last post I said the S0535W SCR was 400V, 55A....looks like the CORRECT numbers are 50V, 35A. Same question, though...would a 100V 70A (for example) be OK? Thanks again Mike W2IY ________________; /archives//html/TenTec/2007-06/msg00116.html (7,147 bytes)
2. Re: [TenTec] Slightly OT: Astron question, correction (score: 1): Author: "Dr. Gerald N. Johnson" <geraldj@storm.weather.net>; Date: Thu, 07 Jun 2007 09:40:08 -0600; The crowbar SCR needs only to have higher voltage rating than the power supply output, but 50 volts is as low as they sell. Higher voltage rating is no problem, just greater cost, but has no effect o; /archives//html/TenTec/2007-06/msg00129.html (8,029 bytes)
3. Re: [TenTec] Slightly OT: Astron question, correction (score: 1): Author: Larry Keith <kq4by@rocketmail.com>; Date: Thu, 07 Jun 2007 12:28:17 -0400; Hi... I just replaced the one in my RS-20M with an NTE 5539. 73, Larry KQ4BY _______________________________________________ TenTec mailing list TenTec@contesting.com http://lists.contesting.com/mail; /archives//html/TenTec/2007-06/msg00131.html (8,334 bytes)
4. Re: [TenTec] Slightly OT: Astron question, correction (score: 1): Author: "Dr. Gerald N. Johnson" <geraldj@storm.weather.net>; Date: Thu, 07 Jun 2007 11:50:46 -0500 (CDT); Jerry, thank you for explaining this so that I could understand. It's a big help. 73 Mike The crowbar SCR needs only to have higher voltage rating than the power supply output, but 50 volts is as low; /archives//html/TenTec/2007-06/msg00133.html (8,511 bytes)
5. Re: [TenTec] Slightly OT: Astron question, correction (score: 1): Author: "Pfizenmayer" <pfizenmayer@worldnet.att.net>; Date: Thu, 7 Jun 2007 13:14:08 -0700; FWIW - A much higher voltage breakdown generally indicates a higher resistivity substrate is used to start with and so the "ON" resistance might be higher than a lower breakdown device - for this app; /archives//html/TenTec/2007-06/msg00135.html (10,112 bytes)

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