I am using 2N3055 power transistors in a Bedini motor. That's a simple motor using a bifilar wound coil. One winding is a trigger winding and the other is a power winding. a sample is shown if you do a google search for "Ludic Science Bedini motor". I would like to be able to trigger the transistor with a lower trigger voltage.

Can anyone suggest a transistor that will serve this purpose.

 

Welcome to AAC!

a sample is shown if you do a google search for "Ludic Science Bedini motor".

Make it easier for us by posting the schematic for the circuit you're using.

 

TO-3 transistors are on the way out. Do you really need that current & power level? There’s a version of the 3055 in TO-220 which is limited by that package.

 

Hello there I hope this helps.
https://forum.allaboutcircuits.com/threads/alternative-transistor-to-a-2n3055.82413/

 

What an amazingly long and useful life the 3055 has enjoyed.

 

Can anyone suggest a transistor that will serve this purpose.

Have you researched using a power Mosfet, if possibe?
Max.

 

After consulting my Crystal Ball ..........
I'd say go with a Logic-Level-Gate MOSFET.
Because the Thread Starter is trying to set-up a Micro-Controller to control the Coils.
.
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Check out the MJE3055, it looks like it is intended to be a replacement for the 2N3055 but in a TO-220 package.