Joule Thief (Large Coil) 012

I have wound another much Larger Bifilar Coil and was surprised that it still worked on Low and High Voltage.

It appears that this technology is completely Coil dependent.

Coil: 45 Bifilar Turns 0.5mm Wire


Enjoy...


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Category:

Science & Technology

Tags:

• 1.5v
• 12v
• 240v
• 3v
• Bifilar
• Bulb
• Coil
• Joule
• Large
• Light
• Lighting
• Peak
• Thief
• Voltage

[bbafe]

200V...

Don't you afraid of shock ??

[kubikop]

Its high frequency and low current, you should still be careful though.

[crazybeavers155]

that is cool

[kubikop]

Cheers!

[piemanno]

lol phone cam

[kubikop]

sorry, have you got a spare camera I can borrow? ;-P

[ciprianwiner]

what transistor have you used?

[luckyfire3]

What if you double the winds on the toroid?

[acmefixer1]

Bifilar wound means that both windings have the same number of turns. If the primary winding has such a high voltage at 12V supply, then the feedback winding has the same voltage since it's the same number of turns. This is Really Bad. The feedback winding should be 10 or 12 turns, about 1/4 the number of turns when the supply is 12V. This is to prevent the high negative V on the feedback winding from damaging the emitter to base junction of the transistor.

[stevenchiverton]

@bbafe have you got the circuit schematic for the transistor and neon wiring and the details of the transistor to

[ciprianwiner]

mine makes 280-300v with 2 batteries ,i used an 2n2222A transistor and for the coil i used an transformer :D check out my channel :)

[josephdupont]

What is the circuit? looks like you have a 12 volt fluorescent lamp..

[micron2b]

That new light is making a high pitched sound??

[akkudakkupl]

@sciencoking well because you filter the current...

[sciencoking]

I managed to power a 24V LED lamp with an almost empty button cell... these things are anazing.

I also found out that if you charge a capacitor (through a diode) with it and put the LED there, it is much much brighter. But you probably know that ;-)