We found this 12 V ignition circuit in the 1964 RCA transistor manual. The 2N3054 can be replaced by the TIP41C. The two transistors must be provided with heat sinks.
This circuit was obtained in an old American documentation, remembering that the 566 is the double...
The previous circuit (CB5050E) triggers when the temperature exceeds the limit set on the...
) This is the original application of the National Semiconductor LM3909 low consumption pulsator. The LED...