This circuit triggers a relay when the set temperature is reached. The circuit is from an old documentation. The relay may be equivalent according to the transformer secondary voltage.
The transistors of this circuit may be general purpose and the power supply comes from the TTL...
January 2017 - Through Mouser Electronics Texas Instruments is launching its new zero-drift...
This four-phase stepper motor control uses a ST6982H IC. The maximum output current avaiable is...