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1. [AMPS] High watt Zeners ! (score: 1): Author: phil@vaxxine.com (Phil T. (VE3OZZ)); Date: Sun, 21 Mar 1999 21:02:34; After my last post about SSRs, I found that Crydom has a website (www.crydom.com ). SSR data sheets in pdf format are availabale there. But, I looked at their Transient Voltage Supressor page and fou; /archives//html/Amps/1999-03/msg00535.html (7,161 bytes)
2. [AMPS] High watt Zeners ! (score: 1): Author: k6ll@juno.com (k6ll@juno.com); Date: Sun, 21 Mar 1999 20:06:38 -0700; I guess everybody remembers the old trick of how to make a high power zener, right? You take a high power npn transistor and connect a low power zener from collector to base, with the banded end at t; /archives//html/Amps/1999-03/msg00553.html (7,526 bytes)
3. [AMPS] High watt Zeners ! (score: 1): Author: Peter_Chadwick@mitel.com (Peter Chadwick); Date: Mon, 22 Mar 1999 15:19:28 -0000; But don't forget that the temperature coefficient is now totally different, while the 'zener' voltage has increased by the Vbe of the transistor. So a 6 volt zener(which would have approximately a z; /archives//html/Amps/1999-03/msg00555.html (7,420 bytes)
4. [AMPS] High watt Zeners ! (score: 1): Author: G3SEK@ifwtech.demon.co.uk (Ian White, G3SEK); Date: Mon, 22 Mar 1999 21:23:58 +0000; A TL431 "adjustable zener" with a cheap PNP darlington transistor such as a TIP147 will give continuously adjustable bias voltage that is rockstable up to at least 2A (which a zener or a transistor+z; /archives//html/Amps/1999-03/msg00566.html (8,186 bytes)

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