Thermostat (CB6008E)

This circuit controls a heating element using a triac. Triac must be fitted with a heat sink. We find it in an American documentation from the 80s.

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Regulator from 0 to 25 V x 1 A (CB1193E)
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Audio generator 741 (CB8643E)
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Pre For Low Impedance Microphone (CB12870E)
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