Wanted: flyback transformers of any kind

Hi, im looking for flyback transformers of any kind. since plasmana wants only older styles ill take all the modern ones if anyone has any. i would be willing to pay for shipping and the transformer if the price is within reason. these are the type of transformers found in old crt tv's (the big ones) if anyones interested please post a comment or pm me Thanks

Posted by budsiskos 9 years ago


flyback transformer driver for beginners: is there a substitution for the flyback transformer?

My son wants to do the flyback transformer driver but we can't seem to find a flyback transformer. Is there a safe replacement or substitute?

Posted by ann.bragonje 3 years ago


Flyback transformer wanted

If anyone has any flyback transformers the can sell, i will buy then for $5 or less. I would like to make a plasma speaker.

Posted by anurag130 7 years ago


Fly back transformer for sale

This is a flyback transformer type that so many people want  I have no clue why they think it is Superior to the regular modern flybacks.  maybe simpler? If some one wants it   $10    also comes with a ceramic high voltage diode.

Posted by inductionheat! 8 years ago


Need help to build a flyback driver.

Hi every one, I've been working for several weeks on a diagram of flyback driver referring to this video to get an electric arc which can handle a day turned on: http://www.youtube.com/watch?v=DE4GfpOSWW0 Here is the assembly that the author gave me : http://st-ware.com/files/misc/smallgen_en.png And here is the assembly I'm working on : http://alexmira.fr/images/schema00.jpg The RC1 capacitor is either a 630V 220nF MKP is a 1uF 630V. I've done and redone it on my breadboard but impossible to get anything. Could you help me to acheive this or tell me what are my mistakes. Thank you in advance.

Posted by exesnot 6 years ago


Bad result from the CFL driver for the flyback transformer.

Ts been a while that i have tryed to make a nice arc from my 25 watt cfl driver, the only pin on the cfl that are working are the pin 1 and 4, i i have attempted to connect the pin 1 and 2 toguether and 3 and 4 toguether, i connected both of the mix on the flyback and i could get a huge arc, but i plugged it like 5 sec, and i stopped touching the HV output with the 0v ground  for like 2 sec then my cfl has exploded like a bomb, there was lound noise, and made a hole in my table. so im not gonna try that again. Anyway i can only get 0.5 cm arc from the flyback, and i dont know what to do to make it larger, i know that the 25w cfl can do better. Any suggestion? Sorry for my bad english.

Posted by insistent 8 years ago


Flyback Transformer Driver

I was looking at this page on flybacks, and I was reading about the transistors, when I realized that I don't know anything about picking transistors out. I'm an electronics noob, what can I say. Would these work? The flyback is going to be from an OLD computer monitor. I need help.

Posted by John Smith 10 years ago


Flyback transformers and how to convert them to AC

I'm in the need of quite a few electronics for my new lightning tube project, on of them is a suitable HV transformer for high frequencies. Salvaging from plasma balls or similar is pointless as those transformers only get to around 3kV at best. With BW TV set getting really rare these days I decided to look into the modern version of the flyback transformer - the DST, Diode Split Transformer. If you ever did some Tesla stuff you will know that everyone says a modern flyback is no good as it only provides DC output. With basically no info on the net how these things look internally it was down to destorying a few until I got to know what to look out for andhow to remove the HV diodes between the secondary coil packs. I know not too many people will need a HV AC tranformer that can operate with several kHz so I though I ask first if it is worth to create an Instrucatable on this topic alone, otherwise I will just include a very short version of it with my Instrucable on the lighnig tube project. Have to say that is a quite messy and stinky procedure involving a lot of heat and the risk of burns to your fingers.

Posted by Downunder35m 4 years ago


(4) flyback transformers for sale

I have four flyback transformers for sale, I have marked where the ground is for the HV on them. they are in a fine condition. I would like to get a few of them off the shelfs, they are taking up too much room. I want to get $20 for them and I will also ship them any where in the united states for free.

Posted by inductionheat! 8 years ago


Old flyback transformers

I really want a old flyback transformer for my high voltage projects, but I don't know where to get one. I tried to get one from my local TV repair shop, but they did not have any, only new modern flyback transformers and I don't want that kind of transformer. So if you have any old functional flyback transformers that you don't want anymore, I would really want to buy them from you, and I will pay for the postage price. I will buy modern flyback transformers if you are trying to give it away for a very cheap price or for free (I will still pay for the postage price). Please respond to me if you live in UK, if you don't live in UK, please don't respond to me because I cannot afford such high postage (shipping) bill.

Posted by Plasmana 10 years ago


Flyback Transformer assistance requested

I am having problems with the flyback transformer. For primer on where I am at, following the tutorial to locate the 0v pin the voltage was win the specified range. The flyback is from a old monitor that was monochrome but was still working.  No datasheet could be obtained. 10 pins if it matters. I am following the struct on using the single transistor driver.  Specifically a 2n3055 from radio shack. Lets pretend i wouldn't waste your time if i didn't triple quadruple check the wiring first. using 24v dc power supply schematic and page i based my driver on.   i am not getting the high pitched noise from the flyback. i have 5w 220 resistor and a 5w 27 resistor . my resistance ratio is important. correct? since there is a voltage divider there. i know its vague but can someone give me some direction to work out my problems

Posted by Chingasman 7 years ago


High Voltage Flyback Transformer Pinout HELP!

I pulled out a flyback HV transformer from a CRT television set (I DO know of the dangers involved, and I'm VERY careful to discharge all caps and to short out the flyback).  But the problems is, I have a FB Samsung C31113D.  Very hard to find schematics or specs on.  Rather than fiddling with which pins do what (via battery and multimeter-which I guess I could do), does anyone know of a site that offers pintout schematics for different manufacturers?  I'm anxious to begin my project on building a Jacob's Ladder.  But without knowing which pins do what, I refuse to tinker.  My life is just too important. Is there anyone who may be able to help me out here?  Perhaps checking each pin with a battery is the only way to go, but I would like to avoid that if possible.  Also, what waveform does the FB  Transformer put out?  I've heard square wave, and I've heard D.C.  The only thing I have definitely heard is that sine waves tend to result in smoke from the FB. Thank you!

Posted by huck alexander 6 years ago


Troubling Flyback Transformer Pins

Hello,       I'd like to request someone to share their knowledge about their "flyback" knowledge or experiences with me since I'm having trouble finding the primary coil pins with my flyback transformer. I'm constructing my own HV power supply and I decided to go through this tutorial.       I've read much on the web and found the 0v output pin of my flyback. The problem is .. I couldn't find the primary and secondary since I'm using an analog multimeter and the tutorials on the web are all digital..       When I test the pins with my multimeter set to ohm range of x1, I do not get a pair of 1 ohm pins but instead I got the result of "Continuity" when I test on following pins, they seems to be connected but none of the pins show to 1 ohm.. and thus I've adjust the Ohm Adjustment. The results are Continuity 1 : 1,2,6,8 Continuity 2 : 3,4,7,10 No Continuity: 5,9 Pin no 5 is 0v output..  I've attached the pin number diagram at photos... my drawing and actual pins.. Have you got any idea to find out the primary coil? I've also attach my driver from CFL.. Thanks

Posted by 3 years ago


Driving a CRT, testing a flyback transformer

Hi all, I have taken apart an old color crt monitor which was not working and I don't know how I could reuse the crt from it, I have a feeling it still works and that the problem was the flyback transformer, and would NOT like to throw away the crt. I would like to know if anyone knows how to drive a crt, without having to do something TOO complicated, I will be happy with very minimal results such as just a blue color being displayed, or such, as long as something gets to appear on the screen. Then I can use the x and y axis controls (the little plastic carrier on the neck of the crt) to control the image sizes. I heard that you have to find out which pins  of the crt are for the filament and provide around 6V to it, but how do you find this out? Also if someone knows how I can test the flyback to make sure that is the problem, it would be helpful. Any help is appreciated. Thanks in advance, P.S. Attached is a picture of the crt.

Posted by drresearch 8 years ago


Fly back for SALE $5

I have one flyback transformer for sale for $5

Posted by inductionheat! 9 years ago


Disassembling a CRT and getting the flyback

Hello! I'm getting a bit tired of playing with disposable cameras... there's only so much you can do with them. Well, I acquired a CRT, presumably from an oscilloscope, a couple of weeks ago and I want to get the flyback out of it (and figure out how to use it) so I can make a Jacob's ladder or Tesla coil. Does anyone have any ideas on how to proceed? Here are some pictures.

Posted by SirCheez 5 years ago


Some new stuff i got

So recently my dad wanted to throw away a old tv we had that had a bad cord (yeah we could of easily replaced the cord but be have enough tv's..) and i remember seeing plasmana's plasma speaker a while back and that it used a flyback transformer, so i ripped the tv apart taking the pcb with everything on it, speaker, and the coil thingy on the tube, since it was the first time i took one apart i had cliped the magnet wire winding so thats almost no good so i just got rid of that, and then i took apart 3 other monitors i have gotten over the years, one had a set of speakers inside it, and that was interesting to use. and a while back my friend gave me a old 5cd/radio stereo, i would of just kept it using it for the 5 disc changer mostly but the door was broken, and didnt move well at all, so i scraped it and used the speakers. Oh and theres a PSU in there i ripped apart a while ago, i have another but its stored away currently. Anywho heres just a view of what i got, any ideas on what i should make out of all this?

Posted by knexsuperbuilderfreak 4 years ago


Tesla Coils For Dummies

In my slideshow, not all of my uploaded images are showing! Please correct the mistake.

Posted by Xellers 9 years ago


Plasma alarm clock?

I am thinking it might be fun to hack the speaker output on a digital alarm clock to somekind of plasma device that uses a flyback transformer. Something along the lines of a lightning alarm clock that was released a few years back.

Posted by argos090 6 years ago


Sildeshow Images Do Not Appear

I published a slideshow and the images do not appear when I view it. I took a screenshot, and have attached it. The slideshow is "Simple Flyback Driver Gives Powerful Arcs" https://www.instructables.com/id/Simple-Flback-Driver-Gives-Powerful-Arcs/

Posted by Xellers 8 years ago


high voltage transformer

I found a flybacktransformer and I would like to sale it. its is nice and heavy built and would have a better duty cycle than one of the newer ones. I would like to get $12 for it. finding a flyback like this one is not always too easy. I added a mug to show the size of it.

Posted by inductionheat! 8 years ago


Ignition Coil

Yes, I just posted something on a flyback. I was interested in that, until I saw this. It got me interested in ignition coils, so I got one new from the autoparts store for $20 (USD). I looked on the site, for the schematic, and realized that I didn't know what the rectangle was. Is it a resistor? I'm new to electronics, what size resistor do I need (if it even is a resistor)?What about the capacitor? I have a 100uf 200v electrolytic one, will that work?Also, part of the core is not in the coil, it's square shaped, could I rig it to work like this flyback circuit?Or this one? (simple driver circuit)?Sorry about the never ending beginner electronics questions, I just really don't have anyone else to ask.

Posted by John Smith 10 years ago


2 free Fly back transformers and a SCR

I have one 300 AMP 1200 volt  SCR that I want gone!  I want $25 for it  . I am willing to trade it for crystal radio parts or small vacume tubes . I have two modern flybacks also if anyones interested sorry! dont have pictures

Posted by inductionheat! 7 years ago


Can I work on a TV without discharging the CRT?

I have a TV that is in a place where the remote will not work (Dont ask its complicated lol) and I want to rewire the ON/OFF switch on it so that it will be like a foot or two away from the tv. Do I have to discharge the CRT on it before I work on the ON/OFF switch which is only attached by wires to the CRT and flyback transformer circuit. Could I just wear some thick rubber gloves to work on this because Ive never discharged a CRT before and have no interest in doing so.

Posted by jackillac92 9 years ago


Stun Gun Mod Suggestions/Tips? HV Power!

The 2 images are the type of stun gun parts I have, I believe its a spark gap igniter one but m not 100% on that as I would rather leave it in the cardboard circular case unless I get confirmation it could be modified. What kinds of projects could this be used for, I'm pretty sure its DC powered and attempted putting the outputs to curved metal electrodes for a Jacobs ladder but arc stays in one spot after many adjustments.  Ive only worked with HVAC with an unrectified flyback for plasma globes. Anyone have any suggestions on what to pump this badboy into. P.S. Using 2 metal screws from an Xbox 360 and putting them very close together makes a very nice whistle to it, :).

Posted by thebellbell 3 years ago


need help on circuit design

Okay, I really need help on this. I want to begin a plasma speaker project, but I require help designing the circuit. I can build stuff fine, and simple high-voltage things, but complicated circuits are simply beyond my ability to design. what I am planning on doing is having a standard audio plug (l/r) feeding one circuit-probably needs to be amplified, then split into two channels, then I intend to have each channel control the driving circuit for its own neon sign transformers, as thanks to a neighbor, I will have a couple. I just need help planning out the circuit-I see how people manage plasma speakers with flybacks, but I have no idea how to make a two channel audio amplifier that splits to drive two separate control circuits that control the 110v supply that each NST takes. So, please, I beg of you, help me. and thanks in advance.

Posted by Nyanman 6 years ago


SST plasma tube

I am in the process of creating a plasma tube, similar to those globes but made from an acrylic tube of about 80cm lenght. In my small scale experimets with a glass bottle instead of the tube I was able to find a way to mix some Argon gas into the vacuum to create the type of plama arc I want. Problem is the HV part for the much longer tube and how to keep the input voltage at 12v to be electrically save. To drive the switching part of the HV section a simple quare wave generator with adjustable frequency and pulse width is used. In my current design I use 5V for the driver and 12V for a TIP122 that drives a modified flyback transformer directly. Now to specify my problem: The TIP is good for 100V and up to 5A with proper cooling. But I would need to make a new HV coil capable of delivering around 80kV at 12-30kHz - that is the easy but time consuming part. The primary side would have quite some inductance and I fear the TIP122 would soon get into trouble. So I was thinking of using a IRF260 mosfet instead but they need a proper gate driver for high and accurate switching speeds. To further seperate the driver from the hot action I thought of using a LED on the driver side connected by a fibre optics cable to the Mosfet driver. Would it be feasable to use good a transistor to drive the gate of the Mosfet directly or is a gate transformer the better option? Are there any shematics available for a gate driver that uses an optical input? And yes, of course I will make an Instructable if I ever get it all working to my satisfaction.

Posted by Downunder35m 4 years ago


Solder sucker?

Hello all.  I had a question about desoldering.  First thing is that I have desoldering wick.  I found out I was using it wrong.  I melted the solder and then placed the end of the wick in the melted solder.  But I watched a youtube video and according to that I should place the wick on the solder and then heat up the wick and solder as one.  But this still has not been working very well for me.  The wick is over a year old and I was wondering if this could be a problem.  But my other question is how well do those spring loaded solder suckers work?  I was thinking about perhaps ordering one off of e-bay.  Yes I know I might find one in a good hardware store but I have some paypal money I could use.  In case you do not know what I am talking about....it is the spring loaded suckers where you cock it, put it next to the melted solder and then press a button and it forms a vacuum and sucks up the solder into it.  I think I can pick one up for a few bucks off-line, so if you people say they work well then I will give it a shot. Also in case you want to know what I am working on.  This would be used for salvaging parts of of circuit boards.  Like right now I am trying to salvage a few capacitors and also a couple of flyback transformers from crt computer monitors.  Also tomorrow I am tearing apart a broken water cooler to see if there is anything I can take out of there. I have also being having a problem getting solder to melt in the first place.  But that probably just has something to do with the 2 soldering irons I am using and I am trying my best to figure it all out.  I know my way around computers as far as building and repairing them.  But soldering and desoldering is something I really want to learn to be able to further my computer repair skills.  Sometimes it would save so much money being able to solder and desolder myself.  Especially those darn ac ports that are soldered right onto the boards sometimes. I have not actually made anything from this site yet.  But this is a wonderful site and after cruzing the forums here I am pretty sure I will get some good replies.  Ok I will stop babbling and I look forward to your replies.  

Posted by jcaresheets 6 years ago