![A piece of PCB for paralleling two TO-3 transistors with 100 mΩ ballast resistors made of PCB traces and also there's room for a base emitter resistor, bought from a salvage store. : A piece of PCB for paralleling two TO-3 transistors with 100 mΩ ballast resistors made of PCB traces and also there's room for a base emitter resistor, bought from a salvage store. :](https://i.redd.it/it0b0605vly51.jpg)
A piece of PCB for paralleling two TO-3 transistors with 100 mΩ ballast resistors made of PCB traces and also there's room for a base emitter resistor, bought from a salvage store. :
![Measuring and Calculating the Resistance of Aluminum Trace (very low temperature) Printed Circuit Boards Measuring and Calculating the Resistance of Aluminum Trace (very low temperature) Printed Circuit Boards](https://cdn2.hubspot.net/hubfs/186189/docs/Materials/l-v-diagram.png)
Measuring and Calculating the Resistance of Aluminum Trace (very low temperature) Printed Circuit Boards
![Guard trace with termination resistors, placed near signal line in PCB. | Download Scientific Diagram Guard trace with termination resistors, placed near signal line in PCB. | Download Scientific Diagram](https://www.researchgate.net/publication/220241527/figure/fig1/AS:655116826849280@1533203431202/Guard-trace-with-termination-resistors-placed-near-signal-line-in-PCB.png)