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Post subject: Selenium rectifier. Posted: Dec Sun 28, 2003 8:27 am . Member: Joined: Jan Thu 01, 1970 1:00 am Posts: 479 Loion: Terre Haute, IN USA Hi:
This is a bit off the subject, but can anyone help me identify the voltage and current ratings of a 6RS5W2 selenium bridge rectifier? I am repairing an old juke box, and it is used in the power supply. One of the diodes in it is shorted ...
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· preamp scott 121 c replace selenium rectifier; Page 3 of 3 < Prev 1 2 3. drew_t WellKnown Member. Messages: 826. What about the 6X4 tube's heater connections? The three tubes 6DZ7 has marked "wrong" have no connection to anything except each other, as drawn. Last edited: Aug 12, 2017. drew_t, Aug 12, 2017 #41 . Please register to disable this ad. FlaCharlie AK .
The SiliconControlled Rectifier (SCR) SCR Conduction. If an SCR's gate is left floating (disconnected), it behaves exactly as a Shockley diode. It may be latched by breakover voltage or by exceeding the critical rate of voltage rise between anode and hode, just as with the Shockley diode. Dropout is accomplished by reducing current until one or both internal transistors fall into .
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Count me in as a convert to replacing ALL selenium rectifiers. 2 years ago I was listening to a Fada radio from the 50's in my office. It had a selenium in it and it decided to let go. I heard a fizzle and immediately yanked the cord. The rect only partially blew but it STUNK UP the entire house. Imagine what about 10 rotten eggs would smell like. That's what this smelled like even though I ...
· dropping resistor would work to replace a metaloxide. rectifier. It seems to me that selenium stack rectifiers were not. used before about 1945. Copper oxide rectifers were used in. "battery eliminators" and were the standard rectifiers in AC. meters. I don't think either is made any more but either can.
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I was thinking about buying a NOS capacitor on Ebay but I haven't gone that route yet. Kris. Top . glasdave Post subject: Re: Selenium Rectifier replacement Airline 74BR1053A. Posted: Mar Wed 07, 2012 10:12 am . Member : Joined: Feb Tue 24, 2009 8:20 am Posts: 10122 Loion: Aurora Colorado Sounds like you have it right. If you really want to stuff the can, you can, but it may be .
Selenium Rectifier Radiomuseum. ensp·enspOn the topic of retaining a selenium rectifier, it probably is a really good idea to replace it with silicon diodes. I am not a chemist but I understand that when a selenium rectifier fails it can release toxic gas, and retaining a selenium rectifier adds unnecessary risk for the power transformer.
· recognizable. I think I first became aquainted with the stuff playing with (shorting out) model railroad. transformers. In a bias circuit, you should be able to replace the selenium rectifier with a 1N4004 diode. If you're trying to preserve the look, you could short the original rectifier and put the 1N4004 in series.
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· Inside is a rectifier which looks to be either a selenium or copper oxide type. It has 5 plates and measures 21/4" long and each plate is 11/4" square. For testing, the machine was connected to 120vac through a GFCI protection device an isolation transformer. Powering the rectifier is a stepdown transformer, delivering vac.
· Stuart QuoteIn the ImpBarn post, you mention quot;the 14 amp capacityquot;; where did this figure come from? That is not Les's post as far as I am aware but the one that started the use of these alternators on Sunbeams, it was published in the .
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